Pipe O-Ring Unions | McMaster-Carr

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Viton® Fluoroelastomer

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178 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.

Fitting Type

Bridge the gap between pipe with different fitting connections

77 products

Performance

UV Resistant

Stand up to sunlight for use outdoors

27 products

High Purity

Polished to an ultra-smooth finish that won't leach contaminants

21 products

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.

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.

Union Straight Connectors

Union fittings separate into three pieces so you can access your line without unthreading pipe connections.

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
NPT Female


	1/4	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K83	000000


	3/8	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K84	00000
	1/2	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K62	0000
	3/4	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K63	00000
	1	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K64	00000
	1 1/4	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K65	00000
	1 1/2	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K66	00000
	2	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K67	00000
	2 1/2	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K85	00000
	3	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K68	000000
	4	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K86	000000


	6	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K89	000000


	Cement Socket Female
	Cement Socket Female


			1/4	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K68	00000


			3/8	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K69	00000
			1/2	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K61	0000
			3/4	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K62	0000
			1	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K63	0000
			1 1/4	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K64	00000
			1 1/2	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K65	00000
			2	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K66	00000
			2 1/2	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K43	00000
			3	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K67	00000
			4	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K44	00000


			6	80	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K45	000000

Union Straight Connectors with Collar

Threaded Socket Female

Union fittings separate into three pieces so you can access your line without unthreading pipe connections.

Fittings with collar have a stainless steel reinforcement on the female threads to prevent the threads from cracking.

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



	1/2	80	Polypropylene	Black	150 psi @ 72° F	4883K91	000000


	3/4	80	Polypropylene	Black	150 psi @ 72° F	4883K92	00000
	1	80	Polypropylene	Black	150 psi @ 72° F	4883K93	000000
	1 1/2	80	Polypropylene	Black	150 psi @ 72° F	4883K94	000000
	2	80	Polypropylene	Black	150 psi @ 72° F	4883K95	000000

Union Straight Adapters

Union fittings separate into three pieces so you can access your line without unthreading pipe connections.

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 Size		DIN Size, mm
	(A)	(B)	(A)	(B)	Pipe Schedule	Body Shape	Material	Color	Max. Pressure @ Temp.	Food Industry Std.		Each
Cement Socket Female × Cement Socket Female



		1/2	—	—	20	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5460K11	000000


		3/4	—	—	25	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5460K12	00000
		1	—	—	32	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5460K13	00000
		1 1/4	—	—	40	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5460K14	00000
		1 1/2	—	—	50	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5460K15	00000
		2	—	—	63	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5460K16	00000
		3	—	—	90	80	Round	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5913N11	000000
		4	—	—	110	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5460K18	000000


		Cement Socket Female × Cement Socket Male



				1/2	1/2	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K042	0000


				3/4	3/4	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K043	0000
				1	1	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K044	00000
				1 1/4	1 1/4	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K045	00000
				1 1/2	1 1/2	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K046	00000
				2	2	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K047	00000
				2 1/2	2 1/2	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K048	00000
				3	3	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K049	00000
				4	4	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4881K051	00000


				Cement Socket Female × NPT Female



						1/4	1/4	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K658	00000


						1/2	1/2	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K641	0000
						3/4	3/4	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K642	00000
						1	1	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K643	00000
						1 1/4	1 1/4	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K644	00000
						1 1/2	1 1/2	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K645	00000
						2	2	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K646	00000
						2 1/2	2 1/2	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K647	00000
						3	3	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K648	000000
						4	4	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K649	000000
						—	1/2	20	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K278	00000


						—	3/4	25	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K279	00000
						—	1	32	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K281	00000
						—	1 1/4	40	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K282	00000
						—	1 1/2	50	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K283	00000
						—	2	63	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K284	000000
						—	3	90	—	80	Round	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5913N12	000000
						—	4	110	—	80	Round	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5913N13	000000


						Cement Socket Female × BSPT Female



1/2								1/2	—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K261	00000


3/4	3/4							—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K262	00000
1	1							—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K263	00000
1	1							—	—	80	Round	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5913N14	00000
1 1/4	1 1/4							—	—	80	Round	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5913N15	00000
1 1/2	1 1/2							—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K264	00000
1 1/2	1 1/2							—	—	80	Round	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5913N16	00000
2	2							—	—	80	—	PVC	Dark Gray	Not Rated	NSF/ANSI 61	4596K265	000000
2	2							—	—	80	Round	PVC	Dark Gray	Not Rated	NSF/ANSI 61	5913N17	000000

Union Straight Adapters with Collar


Front	Back

Union fittings separate into three pieces so you can access your line without unthreading pipe connections.

Fittings with collar have a stainless steel reinforcement on the female threads to prevent the threads from cracking.

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 Size
	(A)	(B)	Pipe Schedule	Material	Color	Max. Pressure @ Temp.	Threaded Insert Material	Food Industry Std.		Each
Cement Socket Female × NPT Female



		1/4	1/4	80	PVC	Dark Gray	Not Rated	—	NSF/ANSI 61	9174K41	000000


		3/8	3/8	80	PVC	Dark Gray	Not Rated	—	NSF/ANSI 61	9174K42	00000
		1/2	1/2	80	PVC	Dark Gray	Not Rated	—	NSF/ANSI 61	9174K43	00000
		1/2	1/2	80	PVC	Dark Gray	Not Rated	Brass	—	4596K291	00000
		3/4	3/4	80	PVC	Dark Gray	Not Rated	—	NSF/ANSI 61	9174K44	00000
		3/4	3/4	80	PVC	Dark Gray	Not Rated	Brass	—	4596K292	00000
		1	1	80	PVC	Dark Gray	Not Rated	—	NSF/ANSI 61	9174K45	00000
		1	1	80	PVC	Dark Gray	Not Rated	Brass	—	4596K293	000000
		1 1/4	1 1/4	80	PVC	Dark Gray	Not Rated	—	NSF/ANSI 61	9174K46	00000
		1 1/4	1 1/4	80	PVC	Dark Gray	Not Rated	Brass	—	4596K294	000000
		1 1/2	1 1/2	80	PVC	Dark Gray	Not Rated	—	NSF/ANSI 61	9174K47	00000


		1 1/2	1 1/2	80	PVC	Dark Gray	Not Rated	Brass	—	4596K295	000000
		2	2	80	PVC	Dark Gray	Not Rated	—	NSF/ANSI 61	9174K48	000000
		2	2	80	PVC	Dark Gray	Not Rated	Brass	—	4596K296	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.

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.

Union Straight Connectors

Union fittings separate into three pieces so you can access your line without unthreading pipe connections.

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



	1/2	40	PVC	White	Not Rated	NSF/ANSI 61	4880K371	00000


	3/4	40	PVC	White	Not Rated	NSF/ANSI 61	4880K372	00000
	1	40	PVC	White	Not Rated	NSF/ANSI 61	4880K373	00000
	1 1/4	40	PVC	White	Not Rated	NSF/ANSI 61	4880K374	00000
	1 1/2	40	PVC	White	Not Rated	NSF/ANSI 61	4880K375	00000
	2	40	PVC	White	Not Rated	NSF/ANSI 61	4880K376	00000
	2 1/2	40	PVC	White	Not Rated	NSF/ANSI 61	4880K377	00000
	3	40	PVC	White	Not Rated	NSF/ANSI 61	4880K378	00000
	4	40	PVC	White	Not Rated	NSF/ANSI 61	4880K379	00000
	6	40	PVC	White	Not Rated	NSF/ANSI 61	4880K793	000000


	Cement Socket Female



			1/2	40	PVC	White	Not Rated	NSF/ANSI 61	4880K301	0000


			3/4	40	PVC	White	Not Rated	NSF/ANSI 61	4880K302	0000
			1	40	PVC	White	Not Rated	NSF/ANSI 61	4880K303	0000
			1 1/4	40	PVC	White	Not Rated	NSF/ANSI 61	4880K304	00000
			1 1/2	40	PVC	White	Not Rated	NSF/ANSI 61	4880K305	00000
			2	40	PVC	White	Not Rated	NSF/ANSI 61	4880K306	00000
			2 1/2	40	PVC	White	Not Rated	NSF/ANSI 61	4880K307	00000
			3	40	PVC	White	Not Rated	NSF/ANSI 61	4880K312	00000
			4	40	PVC	White	Not Rated	NSF/ANSI 61	4880K309	00000
			6	40	PVC	White	Not Rated	NSF/ANSI 61	4880K311	000000

Union Straight Adapters with Collar


Front	Back

Union fittings separate into three pieces so you can access your line without unthreading pipe connections.

Fittings with collar have a stainless steel reinforcement on the female threads to prevent the threads from cracking.

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 Size
	(A)	(B)	Pipe Schedule	Material	Color	Max. Pressure @ Temp.	Threaded Insert Material	Food Industry Std.		Each
Cement Socket Female × NPT Female



		1	1	40	PVC	White	Not Rated	Brass	NSF/ANSI 61	4880K366	0000000


		1 1/4	1 1/4	40	PVC	White	Not Rated	Brass	NSF/ANSI 61	4880K367	000000
		1 1/2	1 1/2	40	PVC	White	Not Rated	Brass	NSF/ANSI 61	4880K368	000000
		2	2	40	PVC	White	Not Rated	Brass	NSF/ANSI 61	4880K369	000000

CPVC Pipe Fittings for Chemicals

Made of CPVC, these fittings withstand salt solutions, acids, and other harsh substances. They have thick, strong walls to handle heavy duty industrial plumbing and water supply applications, such as water processing and wastewater treatment. These fittings are comparable to Corzan. Some meet ASTM D1784 specifications and testing requirements for material quality.

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

Union Straight Connectors


Cement Socket Female	Cement Socket Female	Cement Socket Female Round Body

Union fittings separate into three pieces so you can access your line without unthreading pipe connections.

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

80 Pipe Schedule—Schedule 80 fittings have thick, strong walls for heavy duty, industrial applications.

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

	DIN Size, mm	Pipe Schedule	Body Shape	Material	Color	Max. Pressure @ Temp.	Food Industry Std.		Each
NPT Female



	1/4	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K13	000000


	3/8	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K71	00000
	1/2	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K72	00000
	3/4	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K73	00000
	1	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K74	00000
	1 1/4	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K75	00000
	1 1/2	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K76	00000
	2	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K77	00000
	2 1/2	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K141	000000
	3	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K142	000000
	4	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K143	000000


	Cement Socket Female



			1/4	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	6826K97	00000


			3/8	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	6826K611	00000
			1/2	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	6826K62	00000
			3/4	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	6826K63	00000
			1	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	6826K64	00000
			1 1/4	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	6826K65	00000
			1 1/2	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	6826K66	00000
			2	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	6826K67	00000
			2 1/2	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	6826K138	000000
			3	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	6826K68	000000
			4	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	6826K69	000000


			6	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	6826K21	000000
			—	32	—	Round	CPVC	Light Gray	230 psi @ 72° F	—	4102N143	00000
			—	50	—	Round	CPVC	Light Gray	230 psi @ 72° F	—	4102N145	000000
			—	63	—	Round	CPVC	Light Gray	230 psi @ 72° F	—	4102N146	000000

Pipe Cement

		Each
Pipe Cement for Max. Pipe Size 6 (8-fl. oz. Can)	74605A31	000000

Union Straight Adapters


Cement Socket Female x Cement Socket Female	Cement Socket Female × NPT Female

Union fittings separate into three pieces so you can access your line without unthreading pipe connections.

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

80 Pipe Schedule—Schedule 80 fittings have thick, strong walls for heavy duty, industrial applications.

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

	Pipe Size
	(A)	(B)	DIN Size (A), mm	Pipe Schedule	Body Shape	Material	Color	Max. Pressure @ Temp.	Food Industry Std.		Each
Cement Socket Female × Cement Socket Female



		—	3/8	16	—	Round	CPVC	Light Gray	150 psi @ 72° F	—	4102N158	000000


		—	1/2	20	—	Round	CPVC	Light Gray	150 psi @ 72° F	—	4102N159	00000
		—	1 1/4	40	—	Round	CPVC	Light Gray	150 psi @ 72° F	—	4102N163	00000
		—	2	63	—	Round	CPVC	Light Gray	150 psi @ 72° F	—	4102N165	000000


		Cement Socket Female × NPT Female



				1/2	1/2	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K191	00000


				3/4	3/4	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K192	00000
				1	1	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K193	00000
				1 1/4	1 1/4	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K194	00000
				1 1/2	1 1/2	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K195	00000
				2	2	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K196	00000
				2 1/2	2 1/2	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K197	000000
				3	3	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K198	000000
				4	4	—	80	—	CPVC	Light Gray	Not Rated	NSF/ANSI 61	4589K199	000000

Pipe Cement

		Each
Pipe Cement for Max. Pipe Size 6 (8-fl. oz. Can)	74605A31	000000

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

Flame-Retardant High-Purity PVDF Pipe Fittings for Harsh Chemicals

Made of PVDF that’s finished to a 12 Ra smoothness, these fittings handle some of the harshest chemicals without leaching contaminants into your line. They won’t accumulate particles and are easy to clean, thanks to their smoothness. Comparable to Kynar, these fittings handle most organic solvents that would dissolve CPVC, and chlorine or nitric acid that would weaken polypropylene. You can use them at higher temperatures than CPVC and polypropylene. These fittings meet UL 94 V-0 and FM standards for flame retardance. They’re also FDA compliant for direct contact with food, and they meet ASTM requirements for dimensions and tolerances.

Connect them to pipe with socket fusion welding for a strong, permanent bond. Use a socket fusion tool with a heater bushing (sold separately) that matches your pipe size. 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.

Union Straight Connectors

Image of Product. Front orientation. Pipe and Fittings. Flame-Retardant High-Purity PVDF Pipe Fittings for Harsh Chemicals, Union Straight Connectors, Socket Fusion Weld Female.

Socket Fusion Weld Female

Union fittings separate into three pieces so you can access your line without unthreading pipe connections.

	Material	Color	Max. Pressure @ Temp.	Food Industry Std.	Flammability Rating		Each
Socket Fusion Weld Female



	1/2	PVDF	White	230 psi @ 72° F	FDA Compliant 21 CFR 177.2510	FM 4910, UL 94 V-0	5306N44	0000000


	3/4	PVDF	White	230 psi @ 72° F	FDA Compliant 21 CFR 177.2510	FM 4910, UL 94 V-0	5306N45	000000
	1	PVDF	White	230 psi @ 72° F	FDA Compliant 21 CFR 177.2510	FM 4910, UL 94 V-0	5306N46	000000
	1 1/2	PVDF	White	230 psi @ 72° F	FDA Compliant 21 CFR 177.2510	FM 4910, UL 94 V-0	5306N47	000000
	2	PVDF	White	230 psi @ 72° F	FDA Compliant 21 CFR 177.2510	FM 4910, UL 94 V-0	5306N48	000000

Stub-End Straight Adapters

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.

Pipe Size	Wall Thk.	Flange OD	Finished Material
1/2	0.138"	1 49/64"	PVDF	5306N27
3/4	0.158"	2 9/32"	PVDF	5306N28
1	0.177"	2 43/64"	PVDF	5306N29
1 1/2	0.217"	3 15/32"	PVDF	5306N31
2	0.256"	4"	PVDF	5306N32

Straight Ball Valves

Image of Product. Front orientation. Manual On/Off Valves. High Purity.

Add a ball valve to control the flow in your line.

									Viton® Fluoroelastomer Seal
Pipe Size	Flow Coefficient (Cv)	Vacuum Rating, in. Hg	Port Type	End-to-End Lg.	Body Material	Color	Max. Pressure @ Temp.	Food Industry Std.		Each
1/2	12.5	29.92	Full	3 13/16"	PVDF	White	230 psi @ 72° F	FDA Compliant 21 CFR 177.2510	5306N67	0000000
3/4	28	29.92	Full	4 9/32"	PVDF	White	230 psi @ 72° F	FDA Compliant 21 CFR 177.2510	5306N68	000000
1	50.9	29.92	Full	4 23/32"	PVDF	White	230 psi @ 72° F	FDA Compliant 21 CFR 177.2510	5306N69	000000
1 1/2	150	29.92	Full	6 1/16"	PVDF	White	230 psi @ 72° F	FDA Compliant 21 CFR 177.2510	5306N71	00000000
2	230	29.92	Full	6 13/16"	PVDF	White	230 psi @ 72° F	FDA Compliant 21 CFR 177.2510	5306N72	00000000

Socket Fusion Welders

		Each
Welder	5381N067	0000000

Socket Fusion Heater Bushings

For Pipe Size		Each
1/2	5381N068	0000000
3/4	5381N069	000000
1	5381N071	000000
1 1/2	5381N072	000000
2	5381N073	000000

Flame-Retardant PVDF Pipe Fittings for Harsh Chemicals

These fittings meet UL 94 V-0 for flame retardance, so they delay the spread of flames to valuable equipment. They are made of PVDF (polyvinylidene fluoride), which is comparable to Kynar, and has the chemical resistance to stand up to solvents and other harsh substances. Also known as Schedule 80 fittings, they have thick walls for heavy duty chemical processing applications. Fittings meet ASTM D3222 specifications and testing requirements for material quality.

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

Union Straight Connectors

NPT Female

Union fittings separate into three pieces so you can access your line without unthreading pipe connections.

	Pipe Schedule	Material	Color	Max. Pressure @ Temp.	Flammability Rating		Each
NPT Female



	1/2	80	PVDF	Red	290 psi @ 72° F	UL 94 V-0	4415K363	0000000


	3/4	80	PVDF	Red	230 psi @ 72° F	UL 94 V-0	4415K364	000000
	1	80	PVDF	Red	210 psi @ 72° F	UL 94 V-0	4415K365	000000
	1 1/2	80	PVDF	Red	160 psi @ 72° F	UL 94 V-0	4415K366	000000
	2	80	PVDF	Red	140 psi @ 72° F	UL 94 V-0	4415K367	000000

Thread Sealant

Applicator-Top Can

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