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79 Products

Medium-Pressure Stainless Steel Butt-Weld Pipe Fittings

Also known as Schedule 40 fittings, these have thicker walls than our thin-wall stainless steel unthreaded butt-weld fittings. They have beveled ends that, when flush to pipe, create a trough for a strong weld that permits maximum flow.

Caps

Butt Weld

304/304L Stainless Steel—Fittings hold up in humid, damp, and washdown environments but will corrode if exposed to salt water or chemicals.

316/316L Stainless Steel—Fittings are the most corrosion resistant. They stand up to wet environments, just like 304 stainless steel fittings, but unlike 304 stainless steel, they will not corrode from salt water, chlorine solutions, and chemicals.

					304/304L Stainless Steel		316/316L Stainless Steel
	Pipe Size	Construction	OD	Pipe Schedule		Each		Each
Butt Weld



		8	Welded	8 5/8"	40	45605K529	0000000	45555K614	0000000

Stub-End Straight Adapters

Straight Adapter

Stub-end straight adapters are used with flanges. Slide a flange onto the stub end and weld the stub end to pipe (not the flange). Since the flange isn’t welded to the pipe, it can be disconnected easily, which creates an access point for frequent cleaning and inspecting.

					316/316L Stainless Steel
Pipe Size	Wall Thk.	Flange OD	Construction	Pipe Schedule		Each
8	0.322"	10 5/8"	Welded	40	45555K615	0000000

Hollow Tapered Plugs

A hollow construction makes these plugs extra flexible, so they compress for easy installation and a snug fit. The tapered profile fits a range of hole diameters. If you flip the plug over, it can be used as a cap.

Polyethylene—Convenient and economical. Instead of cleaning and reusing, just toss and grab a new plug.

	For Pipe Size	Ht.	Max. Temp., ° F	Color	Flange Dia.	Pkg. Qty.		Pkg.
Polyethylene



	7.97" to 8.14"	8	1"	150	Red	8 3/8"	5	4491K97	000000

Low-Pressure Iron and Steel Butt-Weld Pipe Fittings

Butt-weld fittings allow for a smooth connection that provides maximum flow. They have beveled ends that, when flush to pipe, create a trough for a strong, permanent weld. Fittings are also known as Schedule 40. They are for use in noncorrosive environments.

Caps

Butt Weld

	Construction	OD	Pipe Schedule	Material		Each
Butt Weld



	8	Seamless	8 5/8"	40	Steel	43425K246	0000000

Stub-End Straight Adapters

Straight Adapter

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Pipe Size	Flange OD	Construction	Pipe Schedule	Finished Material		Each
8	10 5/8"	Seamless	40	Steel	43425K245	0000000

Low-Pressure Stainless Steel Butt-Weld Pipe Fittings

Also known as Schedule 10 fittings, these are thin and lightweight. They have beveled ends that, when flush to pipe, create a trough for a strong weld that permits maximum flow.

Caps

Butt Weld

304/304L Stainless Steel—Fittings hold up in humid, damp, and washdown environments but will corrode if exposed to salt water or chemicals.

					304/304L Stainless Steel		316/316L Stainless Steel
	Pipe Size	Construction	OD	Pipe Schedule		Each		Each
Butt Weld



		8	Welded	8 5/8"	10	45735K115	0000000	43645K151	0000000

Stub-End Straight Adapters

Straight Adapter

					316/316L Stainless Steel
Pipe Size	Wall Thk.	Flange OD	Construction	Pipe Schedule		Each
8	0.148"	10 5/8"	Welded	10	43645K155	0000000

Tapered Caps

Don't worry about having the exact size you need on hand. These caps are shaped to fit a range of ODs—just keep pushing on until they're snug. Because they make less contact with the parts they cover, they’re easier to remove than straight caps. In a pinch, you can flip tapered caps over and use them as plugs.

Polyethylene—Convenient and economical, these flexible caps are one and done. Instead of cleaning and reusing, just toss and grab a new cap.

	For Pipe Size	Inside Ht.	Flexibility	Max. Temp., ° F	Color	Pkg. Qty.		Pkg.
Polyethylene



	8.67" to 8.73"	8	1 1/2"	Flexible	150	Red	5	4491K79	000000

Rubber Drain Pipe Plugs

Seal unthreaded pipe ends with these plugs. They come with a band that clamps over the outside wall of your pipe and tightens with a screwdriver.

Plugs

	For Pipe OD	Max. Water Back Pressure, ft. of head	Max. Air Back Pressure	Material		Each
Clamp-On Female



	8	8.38" to 8.62"	10	Not Rated	Neoprene	2394K17	000000

Standard-Wall Plastic Pipe Fittings for Water

Connect these fittings to Schedule 40 plastic pipe–they are the industry standard for residential and commercial low-pressure plumbing and water supply applications. They are plastic for good corrosion resistance.

To prevent leaks in threaded connections, apply a sealant to the male threads. Threaded connections can be taken apart as needed for maintenance and repair. For metal threads, use PTFE tape. For plastic threads, apply a non-hardening, plastic-compatible sealant. Tape or sealants with PTFE are not recommended for plastic-to-plastic connections. When making a threaded connection be careful not to overtighten the threads. To prevent cracks and leaks, finger tighten the fitting, then wrench-tighten one to two turns.

Warning: Never use plastic pipe fittings, flanges, and pipe with compressed air or gas.

Note: For fittings that are not rated for pressure, you can use the pressure rating of the plastic pipe as a reference. Threaded fittings are limited to 50% of the rated pressure of the pipe.

Caps

Cement Socket

Female

NPT Female

Cement-Socket Fitting Connection—Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a PVC primer and cement (also known as solvent weld).

NSF/ANSI 61—To adhere to safety standards for drinking water systems, use pipe that meets NSF/ANSI 61.

	Pipe Schedule	Material	Color	Max. Pressure @ Temp.	Food Industry Std.		Each
NPT Female



	8	40	PVC	White	Not Rated	NSF/ANSI 61	4880K813	0000000


	Cement Socket Female



			8	40	PVC	White	Not Rated	NSF/ANSI 61	4880K142	00000

Plugs

Male

Cement-Socket Fitting Connection—Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a PVC primer and cement (also known as solvent weld).

NSF/ANSI 61—To adhere to safety standards for drinking water systems, use pipe that meets NSF/ANSI 61.

	OD	Pipe Schedule	Material	Color	Max. Pressure @ Temp.	Food Industry Std.		Each
Cement Socket Male



	8	8 5/8"	40	PVC	White	Not Rated	NSF/ANSI 61	4880K853	0000000

Adhesive-Back Caps for Pipe Flanges

Stick these caps onto the raised face of flanges to prevent nicks and scratches during shipping and storage. They stay in place until you peel them off and leave no residue behind.

Polyethylene—These tough caps are hard and wear resistant to hold up against scrapes and gouges.

	Max. Temp., ° F	Color	Adhesive Material	Pkg. Qty.		Pkg.
Polyethylene







	For ANSI Flanges

	8	10 5/8"	Rigid	160	Black	Rubber	1	3445T24	000000

Thick-Wall Plastic Pipe Fittings for Water

Connect these fittings to Schedule 80 pipe. With thicker, stronger walls than standard-wall fittings, they can handle heavy duty supply applications, such as water processing, wastewater treatment, and irrigation. Fittings are plastic for good corrosion resistance. They meet ASTM specifications and testing requirements for material quality.

Warning: Never use plastic pipe fittings, flanges, and pipe with compressed air or gas.

Note: For fittings that are not rated for pressure, you can use the pressure rating of the plastic pipe as a reference. Threaded fittings are limited to 50% of the rated pressure of the pipe.

Caps

Cement Socket

Female

Cement-Socket Fitting Connection—Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a PVC primer and cement (also known as solvent weld).

NSF/ANSI 61—To adhere to safety standards for drinking water systems, use pipe that meets NSF/ANSI 61.

	Pipe Schedule	Material	Color	Max. Pressure @ Temp.	Food Industry Std.		Each
Cement Socket Female



	8	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K523	0000000

Plugs

Cement Socket

Male

Cement-Socket Fitting Connection—Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a PVC primer and cement (also known as solvent weld).

NSF/ANSI 61—To adhere to safety standards for drinking water systems, use pipe that meets NSF/ANSI 61.

	OD	Pipe Schedule	Material	Color	Max. Pressure @ Temp.	Food Industry Std.		Each
Cement Socket Male



	8	8 5/8"	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K039	0000000

Drain, Waste, and Vent PVC Clamp-On Pipe Fittings for Water

To make installing and maintaining systems easy, these connectors come with clamps that form a strong seal on pipe and fittings once tightened.

Warning: Never use plastic pipe fittings, flanges, and pipe with compressed air or gas.

Caps

Clamp-On Pipe End

	For Pipe OD	Material	Max. Pressure @ Temp.	Clamp Material		Each
Clamp-On Pipe End



	8	8 5/8"	PVC	4 psi @ 72° F	300 Series Stainless Steel	4511K113	000000

High-Pressure Iron and Steel Unthreaded Pipe Flanges

Forged for extra strength, these heavy duty flanges can withstand high-pressure applications. Bolt two flat-surface flanges or two raised-surface flanges of the same size together with a gasket (sold separately) to create an access point in a pipe line.

Forged Flanges


Butt Weld (Front)	Butt Weld (Raised Surface on Back)	Slip-On Weld (Front)	Slip-On Weld (Raised Surface on Back)

Socket Connect (Front)	Socket-Connect (Raised Surface on Back)	Stub-End (Front)	Stub-End (Flat Surface on Back)

Forged flanges have better strength than cast flanges.

Butt-Weld Fitting Connection—Butt-weld flanges are also known as weld-neck flanges; the flange neck has a beveled end that, when flush to pipe, creates a trough for a strong weld.

Slip-on-Weld Fitting Connection—Slip-on weld flanges have no internal stop; slide a pipe through the flange and weld on both sides.

Stub-End Fitting Connection—Stub-end flanges are also known as lap-joint flanges. Use them with a stub-end straight adapter (not included). The stub-end straight adapter slides into the flange and welds to pipe (not the flange). Since the flange isn’t welded to the pipe, it can be disconnected easily for frequent cleaning and inspecting.

	Pipe Size					Bolt Hole
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
Butt Weld



		8	8	Raised	15"	7/8"	1"	12	13"	300	Steel	600 psi @ 72° F	300 psi @ 300° F	6806K345	0000000


		Slip-On Weld Female



				8	8	Raised	15"	7/8"	1"	12	13"	300	Steel	600 psi @ 72° F	300 psi @ 300° F	6806K338	000000


				Socket-Connect Female



						8	8	Raised	15"	7/8"	1"	12	13"	300	Steel	Not Rated	Not Rated	6806K342	000000


						Stub-End Female



								8	8	Flat	15"	7/8"	1"	12	13"	300	Steel	600 psi @ 72° F	300 psi @ 300° F	6806K352	000000

Forged Blind Flanges


Front	Raised Surface on Back

Forged flanges have better strength than cast flanges.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

					Bolt Hole
	Pipe Size	Flanged Connection Surface	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
Flanged



		8	Raised	15"	7/8"	1"	12	13"	300	Steel	600 psi @ 72° F	300 psi @ 300° F	6806K348	0000000

Stub-End Straight Adapters

Straight Adapter

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Pipe Size	Flange OD	Construction	Pipe Schedule	Finished Material		Each
8	10 5/8"	Seamless	80	Steel	4981T322	0000000

Expansion Plugs with Bypass

Style C

Use the bypass tube on these plugs to add air, water, and other fluid to your pipeline or to relieve pressure while testing. The seal expands to temporarily close off pipe openings.

Style C—For Style C, twist the wing nut to expand the seal. They have an NPT threaded bypass for making leak-tight connections.

Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.

Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.

	For Pipe		Max. Back Pressure				Material		Bypass
	Size	ID	Air	Water, ft. of head	Overall Ht.	Temp. Range, ° F	Seal	Bypass Cap	Pipe Size	Thread Type	Gender		Each
Style C







				Iron Stem

				8	7.50" to 8.00"	Not Rated	4	14 3/4"	30 to 150	Natural Rubber	Metal	1/2	NPT	Male	2644K26	000000

Wing-Nut Expansion Plugs

Style B

Twist the wing nut on these plugs to expand the seal and close off pipe openings.

Style B—Style B have a wide top flange so they don’t fall into your pipe. They’re often used for plumbing pressure tests.

Plastic Plate—Plugs with a plastic plate weigh less than plugs with a metal plate.

Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.

Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.

	For Pipe		Max. Back Pressure
	Size	ID	Air, psi	Water, ft. of head	Overall Ht.	Temp. Range, ° F	Seal Material		Each
Style B







				Yellow Plastic Plate

				8	7.70" to 8.03"	17	40	3 3/4"	-20 to 125	Natural Rubber	2645K48	000000

Low-Pressure Stainless Steel Unthreaded Pipe Flanges

Bolt two flat-surface flanges or two raised-surface flanges of the same size together with a gasket (sold separately) to create an access point in a pipe line.

Forged Flanges

Stub End with

Straight Adapter

(Front)


Front	Front	Front

Forged flanges have better strength than cast flanges.

Butt-Weld Fitting Connection—Butt-weld flanges are also known as weld-neck flanges; the flange neck has a beveled end that, when flush to pipe, creates a trough for a strong weld.

Slip-on-Weld Fitting Connection—Slip-on weld flanges have no internal stop; slide a pipe through the flange and weld on both sides.

304/304L Stainless Steel—Flanges hold up in humid, damp, and washdown environments but will corrode if exposed to salt water or chemicals.

316/316L Stainless Steel—Flanges are the most corrosion resistant. They stand up to wet environments, just like 304 stainless steel flanges, but unlike 304 stainless steel, they will not corrode from salt water, chlorine solutions, and chemicals.

	Pipe Size					Bolt Hole					304/304L Stainless Steel		316/316L Stainless Steel
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Max. Pressure @ Temp.		Each		Each
Butt Weld



		8	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	230 psi @ 72° F	44685K175	0000000	44695K165	0000000


		Slip-On Weld Female



				8	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	230 psi @ 72° F	44685K173	000000	44695K163	000000


				Socket-Connect Female



						8	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	230 psi @ 72° F	44685K174	000000	44695K164	000000


						Stub End



								8	8	Flat	13 1/2"	3/4"	7/8"	8	11 3/4"	150	230 psi @ 72° F	44685K176	000000	44695K166	000000

Forged Reducing Flanges


Reducing Flange	Slip-On Front	Slip-On Raised Surface on Back

Forged flanges have better strength than cast flanges.

Reducing flanges allow you to transition your system to a smaller pipe size; attach to a flange with a larger pipe size but with the same flange dimensions.

Slip-on-Weld Fitting Connection—Slip-on weld flanges have no internal stop; slide a pipe through the flange and weld on both sides.

304/304L Stainless Steel—Flanges hold up in humid, damp, and washdown environments but will corrode if exposed to salt water or chemicals.

						Bolt Hole						304/304L Stainless Steel
	Pipe Size (A)	For Flange Pipe Size (B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
Slip-On Weld Female



		6	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	230 psi @ 72° F	150 psi @ 360° F	44685K135	0000000

Forged Blind Flanges


Front	Raised Surface on Back

Forged flanges have better strength than cast flanges.

304/304L Stainless Steel—Flanges hold up in humid, damp, and washdown environments but will corrode if exposed to salt water or chemicals.

					Bolt Hole					304/304L Stainless Steel		316/316L Stainless Steel
	Pipe Size	Flanged Connection Surface	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Max. Pressure @ Temp.		Each		Each
Flanged



		8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	230 psi @ 72° F	44685K177	0000000	44695K167	0000000

Stub-End Straight Adapters

Straight Adapter

					304/304L Stainless Steel		316/316L Stainless Steel
Pipe Size	Wall Thk.	Flange OD	Construction	Pipe Schedule		Each		Each
8	0.148"	10 5/8"	Welded	10	45735K116	0000000	43645K155	0000000
8	0.322"	10 5/8"	Welded	40	45605K531	000000	45555K615	000000

CPVC Pipe Flanges for Chemicals

Made of CPVC, these flanges withstand salt solutions, acids, and other harsh substances. Bolt two same-size flanges together with a gasket (sold separately) to create an access point within a line. Also known as Pressure Class 150 flanges, they have thick, strong walls to handle heavy duty industrial plumbing and water supply applications, such as water processing and wastewater treatment. These flanges are comparable to Corzan. They meet ASTM D1784 specifications and testing requirements for material quality.

Warning: Never use plastic pipe fittings, flanges, and pipe with compressed air or gas.

Flanges

NSF/ANSI 61—To adhere to safety standards for drinking water systems, use pipe that meets NSF/ANSI 61.

	Pipe Size					Bolt Hole
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Color	Food Industry Std.		Each
Cement Socket Female



		8	8	Flat	13 1/2"	3/4"	7/8"	8	11 11/16"	150	CPVC	Light Gray	NSF/ANSI 61	6826K185	0000000

Rotating Flanges


Front	Raised Surface on Back

Rotating flanges are also known as Van Stone flanges; they swivel for easy bolt hole alignment.

NSF/ANSI 61—To adhere to safety standards for drinking water systems, use pipe that meets NSF/ANSI 61.

	Pipe Size					Bolt Hole
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Color	Food Industry Std.		Each
Cement Socket Female



		8	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	CPVC	Light Gray	NSF/ANSI 61	6826K186	0000000

Blind Flanges


Front	Flat Surface on Back

NSF/ANSI 61—To adhere to safety standards for drinking water systems, use pipe that meets NSF/ANSI 61.

					Bolt Hole
	Pipe Size	Flanged Connection Surface	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Color	Food Industry Std.		Each
Flanged



		8	Flat	13 1/2"	3/4"	7/8"	8	11 3/4"	150	CPVC	Light Gray	NSF/ANSI 61	6826K382	0000000

Low-Pressure Iron and Steel Unthreaded Pipe Flanges

Bolt two flat-surface flanges or two raised-surface flanges of the same size together with a gasket (sold separately) to create an access point in a pipe line. Flanges are for use with low-pressure applications in noncorrosive environments.

Flanges

Stub-End Flange with Straight

Adapter: Front


Butt Weld: Front	Butt Weld: Raised Surface on Back	Slip-On Weld: Front	Slip-On Weld: Raised Surface on Back	Socket Connect: Front	Socket Connect: Raised Surface on Back	Stub End: Flat Surface on Back

Butt-Weld Fitting Connection—Butt-weld flanges are also known as weld-neck flanges; the flange neck has a beveled end that, when flush to pipe, creates a trough for a strong weld.

Slip-on-Weld Fitting Connection—Slip-on weld flanges have no internal stop; slide a pipe through the flange and weld on both sides.

	Pipe Size					Bolt Hole
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
Butt Weld



		8	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	Steel	285 psi @ 72° F	150 psi @ 300° F	68095K414	0000000


		Slip-On Weld Female



				8	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	Steel	285 psi @ 72° F	150 psi @ 300° F	68095K397	000000


				Socket-Connect Female



						8	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	Steel	285 psi @ 72° F	150 psi @ 300° F	68095K411	000000


						Stub-End Female



								8	8	Flat	13 1/2"	3/4"	7/8"	8	11 3/4"	150	Steel	285 psi @ 72° F	150 psi @ 300° F	68095K421	000000

Forged Flanges


Slip-On Weld: Front	Slip-On Weld: Raised Surface on Back

Forged flanges have better strength than cast flanges.

Slip-on-Weld Fitting Connection—Slip-on weld flanges have no internal stop; slide a pipe through the flange and weld on both sides.

A350 Carbon Steel—Even in temperatures as low as -46° F, these flanges won’t become brittle, so they absorb impact better than other low-pressure steel flanges.

	Pipe Size					Bolt Hole
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
Slip-On Weld Female



		8	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	A350 Carbon Steel	285 psi @ 72° F	230 psi @ 300° F	5235N23	0000000

Reducing Flanges


Front	Raised Surface on Back

Reducing flanges allow you to transition your system to a smaller pipe size; attach to a flange with a larger pipe size but with the same flange dimensions.

Slip-on-Weld Fitting Connection—Slip-on weld flanges have no internal stop; slide a pipe through the flange and weld on both sides.

						Bolt Hole
	Pipe Size (A)	For Flange Pipe Size (B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
Slip-On Weld Female



		6	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	Steel	285 psi @ 72° F	230 psi @ 300° F	68095K66	0000000

Blind Flanges


Front	Raised Surface on Back

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

					Bolt Hole
	Pipe Size	Flanged Connection Surface	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
Flanged



		8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	Steel	285 psi @ 72° F	150 psi @ 300° F	68095K417	0000000

Forged Blind Flanges


Front	Raised Surface on Back

Forged flanges have better strength than cast flanges.

A350 Carbon Steel—Even in temperatures as low as -46° F, these flanges won’t become brittle, so they absorb impact better than other low-pressure steel flanges.

					Bolt Hole
	Pipe Size	Flanged Connection Surface	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
Flanged



		8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	A350 Carbon Steel	285 psi @ 72° F	230 psi @ 300° F	5235N35	0000000

Stub-End Straight Adapters

Straight Adapter

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Pipe Size	Flange OD	Construction	Pipe Schedule	Finished Material		Each
8	10 5/8"	Seamless	40	Steel	43425K245	0000000

Thick-Wall Plastic Pipe Flanges for Water

Also known as Pressure Class 150 flanges, these flanges have thick, strong walls to handle heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation. They meet NSF/ANSI 61 for drinking water. Bolt two same-size flanges together with a gasket (sold separately) to create an access point within a line. All are PVC, which has good corrosion resistance. Some are also glass filled for extra durability. They meet ASTM D1784 specifications and testing requirements for material quality.

Warning: Never use plastic pipe fittings, flanges, and pipe with compressed air or gas.

Flanges

NSF/ANSI 61—To adhere to safety standards for drinking water systems, use pipe that meets NSF/ANSI 61.

	Pipe Size					Bolt Hole
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Color	Food Industry Std.		Each
NPT Female



		8	8	Raised	13 5/8"	3/4"	7/8"	8	11 3/4"	150	PVC	Dark Gray	NSF/ANSI 61	4596K102	000000000


		Cement Socket Female



				8	8	Flat	13 1/2"	3/4"	7/8"	8	11 3/4"	150	PVC	Dark Gray	NSF/ANSI 61	4881K224	000000

Pipe Cement

Rotating Flanges


Front	Raised Surface on Back

Rotating flanges are also known as Van Stone flanges; they swivel for easy bolt hole alignment.

NSF/ANSI 61—To adhere to safety standards for drinking water systems, use pipe that meets NSF/ANSI 61.

	Pipe Size					Bolt Hole
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Color	Food Industry Std.		Each
NPT Female



		8	8	Raised	13 9/16"	3/4"	7/8"	8	11 3/4"	150	—	Dark Gray	NSF/ANSI 61	4596K116	0000000


		Cement Socket Female



				8	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	PVC	Dark Gray	NSF/ANSI 61	4881K237	00000


				Cement Socket Male



						8	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	PVC	Dark Gray	NSF/ANSI 61	4881K197	000000

Pipe Cement

Blind Flanges


Front	Back

NSF/ANSI 61—To adhere to safety standards for drinking water systems, use pipe that meets NSF/ANSI 61.

					Bolt Hole
	Pipe Size	Flanged Connection Surface	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Color	Food Industry Std.		Each
Flanged



		8	Flat	13 1/2"	3/4"	7/8"	8	11 3/4"	150	PVC	Dark Gray	NSF/ANSI 61	4881K973	0000000

Thread Sealant

Applicator-Top Can

Sealants cannot be sold to Colorado, Connecticut, District of Columbia, Delaware, Illinois, Indiana, Massachusetts, Maryland, Maine, Michigan, New Hampshire, New Jersey, Northern Virginia, New York, Ohio, Pennsylvania, Rhode Island, or Utah due to local VOC (Volatile Organic Compounds) regulations.

Container
Size, fl. oz.	Type	Temp. Range, ° F		Each
8	Applicator-Top Can	-100 to 600	4586K9	000000

FM-Approved Low-Pressure Iron and Steel Threaded Pipe Flanges

Suitable for use in fire-protection applications, these flanges are brittle and can be quickly opened with the strike of a sledge hammer. Bolt two flanges of the same size together with a gasket (sold separately) to create an access point within a line. Use in noncorrosive environments.

Cast Flanges

Front

Cast flanges are also called MSS flanges.

	Pipe Size					Bolt Hole
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.	Certification		Each
NPT Female



		8	8	Flat	13 1/2"	3/4"	7/8"	8	11 3/4"	Cast Iron	125 psi @ 72° F	125 psi @ 350° F	FM Approved, UL Listed	68185K133	0000000

Low-Pressure Galvanized Iron and Steel Threaded Pipe Flanges

The galvanized finish on these flanges provides fair corrosion resistance. Also known as Pressure Class 150 flanges, they are for use in low-pressure applications. Bolt two same-size flanges together with a gasket (sold separately) to create an access point within a line.

Flanges


Front	Raised Surface on Back

	Pipe Size					Bolt Hole
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
NPT Female



		8	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	Galvanized Steel	285 psi @ 72° F	150 psi @ 300° F	7551K133	0000000

Long-Reach Wing-Nut Expansion Plugs

Plastic Plate

Insert these plugs deep within your pipe to temporarily block off a line. Twist their wing nut to expand the seal.

Plastic Plate—Plugs with a plastic plate are lighter in weight than plugs with a stainless steel plate.

Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.

Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.

For Pipe		Max. Back Pressure
Size	ID	Air, psi	Water, ft. of head	Overall Ht.	Temp. Range, ° F	Seal Material		Each







			Plastic Plate

			8	7.70" to 8.03"	17	40	3 3/4"	0 to 125	Natural Rubber	2645K46	000000

Quick-Locking Expansion Plugs

Save time sealing off pipe or valve box openings. These plugs install with one quarter turn of the handle, unlike wing-nut expansion plugs that require multiple turns. They temporarily close off your line with plastic feet that expand mechanically. The feet create a longer-lasting seal than plugs that expand with internal pressure, which can loosen over time. Since these plugs have no pressure ratings, they’re best for low-pressure applications. They’re often used in valve boxes to keep out dirt and debris.

Black Handle—Plugs with a black handle often signify a closed-off wastewater line.

Blue Handle—Plugs with a blue handle often signify a closed-off water line.

Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.

Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.

For Pipe		Max. Back Pressure					Blue Plastic Handle		Black Plastic Handle
Size	ID	Air	Water	Overall Ht.	Temp. Range, ° F	Seal Material		Each		Each







			Plastic Plate

			8	8.00" to 8.50"	Not Rated	Not Rated	4"	-40 to 220	TPE	6594N31	000000	6594N32	000000

Air-Inflatable Plugs

Conform to wide and out-of-round pipes with these inflatable plugs. Also known as pneumatic plugs, they're designed for temporary seals since they can lose pressure over time. They’re better for lower-pressure applications than water-inflatable plugs. Inflate them with a hand pump; an air compressor may overinflate the plug and cause damage.

Plugs with a chain or eyebolt can be tethered through either so they don't get lost or stuck in your pipes during installation. For easy removal once testing is complete, pull on your tether.

With Zinc-Plated Steel Eyebolt

Ribbed

Body

Ribbed Body—Plugs with a ribbed texture have better traction against pipe walls than plugs with a smooth texture. When sealing oily or polished walls, they’ll resist slipping.

Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.

Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.

For Pipe		Deflated		Max. Back Pressure
Size	ID	Dia.	Ht.	Air, psi	Water, ft. of head	Req. Inflation Pressure, psi	Temp. Range, ° F	Seal Material	Body Texture		Each
8	7.00" to 8.25"	6 3/4"	10 1/4"	17	40	25	-20 to 125	Natural Rubber	Ribbed	3058K7	0000000

Air-Inflatable Plugs with Bypass

Conform to wide and out-of-round pipes with these inflatable plugs. Also known as pneumatic plugs, they're designed for temporary seals since they can lose pressure over time. Use the bypass tube on these plugs to add air, water, and other fluid to your pipeline or to relieve pressure while testing.

Inflate with a hand pump (sold separately); an air compressor may overinflate the plug and cause damage. Tether the plugs using either the eyebolt or chain/ring so they don't get lost or stuck in your pipes during installation. Pull on the tether for quick and easy removal once testing is complete.

With Zinc-Plated Steel Eyebolt

Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.

Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.

For Pipe		Deflated		Max. Back Pressure			Bypass
Size	ID	Dia.	Ht.	Air, psi	Water, ft. of head	Req. Inflation Pressure, psi	Pipe Size	Thread Type	Gender	Temp. Range, ° F	Seal Material		Each
8	7.00" to 8.25"	6 3/4"	10"	13	30	35	3	NPT	Female	-20 to 125	Natural Rubber	2580K12	0000000

High-Pressure Stainless Steel Unthreaded Pipe Flanges

Use these heavy duty forged flanges for high-pressure applications. Bolt two flat-surface flanges or two raised-surface flanges of same size together with a gasket (sold separately) to create an access point in a pipe line.

Forged Flanges

Slip-On

Forged flanges have better strength than cast flanges.

Slip-on-Weld Fitting Connection—Slip-on weld flanges have no internal stop; slide a pipe through the flange and weld on both sides.

304/304L Stainless Steel—Flanges hold up in humid, damp, and washdown environments but will corrode if exposed to salt water or chemicals.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

	Pipe Size					Bolt Hole						304/304L Stainless Steel
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
Slip-On Weld Female



		8	8	Raised	15"	7/8"	1"	12	13"	300	600 psi @ 72° F	300 psi @ 360° F	4448T43	0000000

Forged Blind Flanges


Front	Raised Surface on Back

Forged flanges have better strength than cast flanges.

304/304L Stainless Steel—Flanges hold up in humid, damp, and washdown environments but will corrode if exposed to salt water or chemicals.

					Bolt Hole						304/304L Stainless Steel		316/316L Stainless Steel
	Pipe Size	Flanged Connection Surface	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each		Each
Flanged



		8	Raised	15"	7/8"	1"	12	13"	300	600 psi @ 72° F	300 psi @ 360° F	4448T48	0000000	4452T116	0000000

Low-Pressure Aluminum Threaded Pipe Flanges

Also known as Pressure Class 125 flanges, these are for use in low-pressure applications. Bolt two same-size flanges together with a gasket (sold separately) to create an access point within a line. Flanges are aluminum, which is lightweight with good corrosion resistance.

Flanges


Front	Flat Surface on Back

	Pipe Size					Bolt Hole
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.		Each
NPT Female



		8	8	Flat	13 1/2"	3/4"	7/8"	8	11 3/4"	125	356 Aluminum	150 psi @ 72° F	44705K745	0000000

Reducing Flanges


Front	Flat Surface on Back

Reducing flanges allow you to transition your system to a smaller pipe size; attach to a flange with a larger pipe size but with the same flange dimensions.

						Bolt Hole
	Pipe Size (A)	For Flange Pipe Size (B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.		Each
NPT Female



		6	8	Flat	13 1/2"	3/4"	7/8"	8	11 3/4"	125	356 Aluminum	150 psi @ 72° F	44705K742	0000000

Low-Pressure Aluminum Unthreaded Pipe Flanges

Flanges

Slip-on-Weld Fitting Connection—Slip-on weld flanges have no internal stop; slide a pipe through the flange and weld on both sides.

	Pipe Size					Bolt Hole
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.		Each
Slip-On Weld Female



		8	8	Flat	13 1/2"	3/4"	7/8"	8	11 3/4"	125	356 Aluminum	150 psi @ 72° F	44705K772	0000000

Reducing Flanges


Slip-On Weld	Front	Flat Surface on Back

Reducing flanges allow you to transition your system to a smaller pipe size; attach to a flange with a larger pipe size but with the same flange dimensions.

Slip-on-Weld Fitting Connection—Slip-on weld flanges have no internal stop; slide a pipe through the flange and weld on both sides.

						Bolt Hole
	Pipe Size (A)	For Flange Pipe Size (B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.		Each
Slip-On Weld Female



		6	8	Flat	13 1/2"	3/4"	7/8"	8	11 3/4"	125	356 Aluminum	150 psi @ 72° F	44705K771	0000000

Blind Flanges


Front	Flat Surface on Back

					Bolt Hole
	Pipe Size	Flanged Connection Surface	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.		Each
Flanged



		8	Flat	13 1/2"	3/4"	7/8"	8	11 3/4"	125	356 Aluminum	150 psi @ 72° F	44705K399	0000000

Low-Pressure Iron and Steel Threaded Pipe Flanges

Use these flanges for low-pressure applications in noncorrosive environments. Bolt two flanges of the same size together with a gasket (sold separately) to create an access point within a line.

Forged Flanges


Front	Raised Surface on Back

Forged flanges have better strength than cast flanges.

	Pipe Size					Bolt Hole
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
NPT Female



		8	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	Steel	285 psi @ 72° F	230 psi @ 300° F	68095K223	0000000

Forged Reducing Flanges


Reducing Flange	Raised Surface on Back	Front

Forged flanges have better strength than cast flanges.

Reducing flanges allow you to transition your system to a smaller pipe size; attach to a flange with a larger pipe size but with the same flange dimensions.

						Bolt Hole
	Pipe Size (A)	For Flange Pipe Size (B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
NPT Female



		6	8	Raised	13 1/2"	3/4"	7/8"	8	11 3/4"	150	Steel	285 psi @ 72° F	230 psi @ 300° F	1802N49	0000000

Low-Pressure Stainless Steel Threaded Pipe Flanges

Also known as Pressure Class 150 flanges, these are designed for low-pressure pipe applications. Bolt two flat-surface flanges or two raised-surface flanges of the same size together with a gasket (sold separately) to create an access point within a line.

Forged Flanges


Front	Raised Surface on Back

Forged flanges have better strength than cast flanges.

304/304L Stainless Steel—Flanges hold up in humid, damp, and washdown environments but will corrode if exposed to salt water or chemicals.

	Pipe Size					Bolt Hole						304/304L Stainless Steel		316/316L Stainless Steel
	(A)	(B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each		Each
NPT Female



		8	8	Raised	13 1/2"	3/4"	0.88"	8	11 3/4"	150	230 psi @ 72° F	150 psi @ 360° F	44685K321	0000000	44695K25	0000000

Forged Reducing Flanges


Reducing Flange	Front	Raised Surface on Back

Forged flanges have better strength than cast flanges.

Reducing flanges allow you to transition your system to a smaller pipe size; attach to a flange with a larger pipe size but with the same flange dimensions.

304/304L Stainless Steel—Flanges hold up in humid, damp, and washdown environments but will corrode if exposed to salt water or chemicals.

						Bolt Hole						304/304L Stainless Steel
	Pipe Size (A)	For Flange Pipe Size (B)	Flanged Connection Surface (B)	Flange OD	For Bolt Dia.	Dia.	No. Of	Bolt Circle Dia.	Pressure Class	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
NPT Female



		6	8	Raised	13 1/2"	3/4"	0.88"	8	11 3/4"	150	230 psi @ 72° F	150 psi @ 360° F	44685K246	0000000

Expansion Plugs for Cleanout Tees

Seal cleanout tees when testing your drain, waste, and vent systems for pressure and leaks—no need to inflate these plugs with an air compressor or hand pump. To install, insert the plug end into your pipe so the curved foot is on the bottom threads of the cleanout tee, then push down the handle to lock it into the foot. The foot has a two-stage release latch: lift the handle one notch to release the plug and allow liquid to drain slowly, then lift the handle again until the foot fully disengages to take out the plug.

Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.

Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.

For Pipe		Max. Back Pressure						Steel Handle
Size	ID	Air, psi	Water, ft. of head	Overall Ht.	Temp. Range, ° F	Seal Material	For Use With		Each



	8	7.981"	20	40	19"	32 to 120	Natural Rubber	ABS Pipe, Cast Iron Pipe, PVC Pipe	6568N202	0000000