Pressure Class 6000 Pipe Caps

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82 Products

About Pipe and Fittings

Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Extreme-Pressure Iron and Steel Threaded Pipe Fittings

The strongest steel fittings we offer, these can withstand extreme-pressure applications.

Note: The maximum pressure listed for Class 6000 fittings is for conditions where there are no sudden changes in pressure or velocity. Please refer to ASME B16.11 to determine the specific maximum operating pressure for your application.

Caps

Female

	Dash Size	Pressure Class	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
NPT Female



	1/4	04	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43455K51	000000


	3/8	06	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43455K52	00000
	1/2	08	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43455K83	00000
	3/4	12	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43455K84	00000
	1	16	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43455K85	00000
	1 1/4	20	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43455K116	00000
	1 1/2	24	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43455K87	00000
	2	32	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43455K88	00000

Plugs

Male

	Pressure Class	Body Shape	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
NPT Male



	1/4	6000	Round	Steel	6,000 psi @ 72° F	Not Rated	4534K82	000000


	3/8	6000	Round	Steel	6,000 psi @ 72° F	Not Rated	4534K83	00000
	1/2	6000	Round	Steel	6,000 psi @ 72° F	Not Rated	4534K84	00000
	3/4	6000	Round	Steel	6,000 psi @ 72° F	Not Rated	4534K85	00000
	1	6000	Round	Steel	6,000 psi @ 72° F	Not Rated	4534K86	00000
	1 1/4	6000	Round	Steel	6,000 psi @ 72° F	Not Rated	4534K87	00000
	1 1/2	6000	Round	Steel	6,000 psi @ 72° F	Not Rated	4534K88	00000
	2	6000	Round	Steel	6,000 psi @ 72° F	Not Rated	4534K89	00000

External-Hex-Drive Plugs

Male

	Pressure Class	Body Shape	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
NPT Male



	1/4	6000	Hex	Steel	6,000 psi @ 72° F	Not Rated	4534K72	000000


	3/8	6000	Hex	Steel	6,000 psi @ 72° F	Not Rated	4534K73	00000
	1/2	6000	Hex	Steel	6,000 psi @ 72° F	Not Rated	4534K74	00000
	3/4	6000	Hex	Steel	6,000 psi @ 72° F	Not Rated	4534K75	00000
	1	6000	Hex	Steel	6,000 psi @ 72° F	Not Rated	4534K76	00000
	1 1/4	6000	Hex	Steel	6,000 psi @ 72° F	Not Rated	4534K77	00000
	1 1/2	6000	Hex	Steel	6,000 psi @ 72° F	Not Rated	4534K78	00000
	2	6000	Hex	Steel	6,000 psi @ 72° F	Not Rated	4534K79	000000

Locknuts

	Dash Size	Finished Material	Gasket Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
NPT Female



	1/4	04	Zinc-Yellow-Chromate-Plated Steel	PTFE	10,000 psi @ 72° F	5,000 psi @ 500° F	5530K16	000000


	3/8	06	Zinc-Yellow-Chromate-Plated Steel	PTFE	10,000 psi @ 72° F	5,000 psi @ 500° F	5530K18	00000
	1/2	08	Zinc-Yellow-Chromate-Plated Steel	PTFE	10,000 psi @ 72° F	5,000 psi @ 500° F	5530K19	00000
	3/4	12	Zinc-Yellow-Chromate-Plated Steel	PTFE	5,000 psi @ 72° F	5,000 psi @ 500° F	5530K21	00000
	1	16	Zinc-Yellow-Chromate-Plated Steel	PTFE	5,000 psi @ 72° F	5,000 psi @ 500° F	5530K23	00000
	1 1/4	20	Zinc-Yellow-Chromate-Plated Steel	PTFE	5,000 psi @ 72° F	5,000 psi @ 500° F	5530K25	00000
	1 1/2	24	Zinc-Yellow-Chromate-Plated Steel	PTFE	3,000 psi @ 72° F	5,000 psi @ 500° F	5530K27	00000
	2	32	Zinc-Yellow-Chromate-Plated Steel	PTFE	3,000 psi @ 72° F	5,000 psi @ 500° F	5530K29	000000

Extreme-Pressure Iron and Steel Socket-Connect Pipe Fittings

Also known as Pressure Class 6000 fittings, these heavy duty forged fittings are the strongest steel fittings we offer. They are easier to weld than butt-weld fittings because the fitting doesn’t need to align perfectly to the pipe. Slide pipe into the socket and weld for a strong, permanent connection. Fittings are for use in noncorrosive environments.

Caps

Socket Connect

	Dash Size	Pressure Class	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
Socket Connect



	1/2	08	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43665K234	000000


	3/4	12	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43665K235	00000
	1	16	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43665K236	00000
	1 1/4	20	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43665K237	00000
	1 1/2	24	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43665K238	00000
	2	32	6000	Steel	6,000 psi @ 72° F	300 psi @ 360° F	43665K239	00000

Extreme-Pressure Stainless Steel Socket-Connect Pipe Fittings

The strongest socket-connect fittings we offer, these heavy duty forged fittings are also known as Pressure Class 6000. They are easier to weld than butt-weld fittings because the fitting doesn’t need to align perfectly to the pipe. Slide pipe into the socket and weld for a strong, permanent connection.

Caps

Socket Connect

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	Pressure Class	Pipe Schedule	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
Socket Connect



		1/2	6000	160	7,700 psi @ 72° F	6,500 psi @ 220° F	2064K33	000000	—	—	———	0


		3/4	6000	160	7,100 psi @ 72° F	5,900 psi @ 220° F	2064K34	00000	7,100 psi @ 72° F	5,900 psi @ 220° F	2077K34	000000
		1	6000	160	6,400 psi @ 72° F	5,300 psi @ 220° F	2064K35	00000	6,400 psi @ 72° F	5,300 psi @ 220° F	2077K35	000000
		2	6000	160	4,700 psi @ 72° F	3,900 psi @ 220° F	2064K37	000000	—	—	———	0

High-Pressure Iron and Steel Threaded Pipe Fittings

These fittings can stand up to high-pressure applications. Use them in noncorrosive environments.

Note: The maximum pressure listed for Class 3000 fittings is for conditions where there are no sudden changes in pressure or velocity. Please refer to ASME B16.11 to determine the specific maximum operating pressure for your application.

External-Hex-Drive Plugs

Male

Zinc-Phosphate-Coated Steel—A phosphate coating offers some corrosion resistance, but these fittings aren't intended for corrosive environments.

	Dash Size	Construction	Pressure Class	Body Shape	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
NPT Male



	1/8	02	Solid	6000	Hex	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K321	00000


	1/4	04	Solid	6000	Hex	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K322	0000
	3/8	06	Solid	6000	Hex	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K323	0000
	1/2	08	Solid	6000	Hex	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K324	0000
	3/4	12	Solid	6000	Hex	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K325	0000
	1	16	Solid	6000	Hex	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K326	0000
	1 1/4	20	Solid	6000	Hex	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K327	0000
	1 1/2	24	Solid	6000	Hex	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K328	0000
	2	32	Solid	6000	Hex	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K329	00000
	2 1/2	40	Solid	6000	Hex	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K331	00000
	3	48	Solid	6000	Hex	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K332	00000


	4	64	Solid	6000	Hex	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K333	00000

External-Square-Drive Plugs

NPT Male

Zinc-Phosphate-Coated Steel—A phosphate coating offers some corrosion resistance, but these fittings aren't intended for corrosive environments.

	Dash Size	Construction	Pressure Class	Body Shape	Material	Max. Pressure @ Temp.	Max. Steam Pressure @ Temp.		Each
NPT Male



	1/8	02	Solid	6000	Square	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K423	00000


	1/4	04	Solid	6000	Square	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K424	0000
	3/8	06	Solid	6000	Square	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K425	0000
	1/2	08	Solid	6000	Square	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K426	0000
	3/4	12	Solid	6000	Square	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K427	0000
	1	16	Solid	6000	Square	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K428	0000
	1 1/4	20	Hollow	6000	Square	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K429	0000
	1 1/2	24	Hollow	6000	Square	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K431	0000
	2	32	Hollow	6000	Square	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K432	00000
	2 1/2	40	Hollow	6000	Square	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K433	00000
	3	48	Solid	6000	Square	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K434	00000


	4	64	Solid	6000	Square	Zinc-Phosphate-Coated Steel	6,000 psi @ 72° F	300 psi @ 360° F	4513K435	00000

Extreme-Pressure Iron and Steel Unthreaded Pipe Flanges

For excellent strength in extreme-pressure applications, choose these heavy duty Pressure Class 1500 flanges. Bolt two same-size flanges together with a gasket (sold separately) to create an access point in a pipe line. They are for noncorrosive environments.

Forged Blind Flanges


Front	Raised Surface on Back

Forged flanges have better strength than cast flanges.

						Bolt Hole
	Pipe Size	Dash 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



		1/2	08	Raised	4 3/4"	3/4"	7/8"	4	3 1/4"	1500	Steel	3,700 psi @ 72° F	3,200 psi @ 300° F	1139T52	0000000


		3/4	12	Raised	5 1/8"	3/4"	7/8"	4	3 1/2"	1500	Steel	3,700 psi @ 72° F	3,200 psi @ 300° F	1139T53	000000
		1	16	Raised	5 7/8"	7/8"	1"	4	4"	1500	Steel	3,700 psi @ 72° F	3,200 psi @ 300° F	1139T54	000000
		1 1/4	20	Raised	6 1/4"	7/8"	1"	4	4 3/8"	1500	Steel	3,700 psi @ 72° F	3,200 psi @ 300° F	1139T55	000000
		1 1/2	24	Raised	7"	1"	1 1/8"	4	4 7/8"	1500	Steel	3,700 psi @ 72° F	3,200 psi @ 300° F	1139T56	000000
		2	32	Raised	8 1/2"	7/8"	1"	8	6 1/2"	1500	Steel	3,700 psi @ 72° F	3,200 psi @ 300° F	1139T57	000000
		3	48	Raised	10 1/2"	1 1/4"	1 1/4"	8	8"	1500	Steel	3,700 psi @ 72° F	3,200 psi @ 300° F	1139T72	000000
		4	64	Raised	12 1/4"	1.38"	1.38"	8	9 1/2"	1500	Steel	3,700 psi @ 72° F	3,200 psi @ 300° F	1139T73	000000

Snap-On Caps for Pipe Flanges

For SAE Flanges

Align the tabs with the bolt holes and snap on for a perfect fit. These caps protect flange threads from damage, or mask them during painting and coating.

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

	Max. Temp., ° F	Color	For Bolt Hole Ctr.-to-Ctr.	Pkg. Qty.		Pkg.
Polyethylene







	For SAE Flanges

	1/2	6000	Rigid	175	Red	0.72", 1.59"	10	7962N17	00000


	3/4	6000	Rigid	175	Red	0.94", 2"	10	7962N18	0000
	1	6000	Rigid	175	Red	1.09", 2 1/4"	10	7962N19	00000
	1 1/4	6000	Rigid	175	Red	1 1/4", 2.63"	10	7962N21	00000
	1 1/2	6000	Rigid	175	Red	1.44", 3.13"	10	7962N22	00000
	2	6000	Rigid	175	Red	1 3/4", 3.81"	10	7962N23	00000