Pipe Corner Fittings | McMaster-Carr

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20 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.

Low-Pressure Iron and Steel Threaded Pipe Fittings

Use these fittings for low-pressure applications in noncorrosive environments.

Side-Outlet Elbow Connectors

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class: 150
Specifications Met: ASME B1.20.1, ASME B16.3, UL Listed
Pipe Nipples and Pipe: Use Schedule 40 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/2	300 psi @ 72° F	150 psi @ 350° F	Iron	44605K471	00000
3/4	300 psi @ 72° F	150 psi @ 350° F	Iron	44605K472	0000
1	300 psi @ 72° F	150 psi @ 350° F	Iron	44605K473	00000
1 1/4	300 psi @ 72° F	150 psi @ 350° F	Iron	44605K474	00000
1 1/2	300 psi @ 72° F	150 psi @ 350° F	Iron	44605K475	00000
2	300 psi @ 72° F	150 psi @ 350° F	Iron	44605K476	00000

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.

Fittings for drinking water meet NSF/ANSI Standard 61.

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

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 plastic threads, apply a non-hardening, plastic-compatible sealant. Tape or sealants with PTFE are not recommended for plastic-to-plastic connections. Fittings that meet ASTM D1784, ASTM D1785, and ASTM D4066 adhere to specifications and testing requirements for material quality.

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.

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

Side‐Outlet Elbow Connectors, Female Socket Connect

For Use With: Drinking Water, Water
Maximum Temperature: 140° F
Specifications Met: ASTM D1784, NSF/ANSI 61
Pipe Nipples and Pipe: Use Schedule 40 PVC Plastic
Flanges: Use Class 150 PVC Plastic

Pipe Size	Socket Depth	Material	Color		Each
1/2	3/4"	PVC Plastic	White	4880K631	00000
3/4	25/32"	PVC Plastic	White	4880K632	0000
1	1 3/32"	PVC Plastic	White	4880K633	0000
1 1/2	1 5/16"	PVC Plastic	White	4880K634	0000
2	1 3/8"	PVC Plastic	White	4880K635	0000

Side‐Outlet Elbow Adapters, Female Socket Connect × Female Threaded Pipe

For Use With: Drinking Water, Water
Maximum Temperature: 140° F
Specifications Met: ASTM D1784, NSF/ANSI 61
Pipe Nipples and Pipe: Use Schedule 40 PVC Plastic
Flanges: Use Class 150 PVC Plastic

NPT Threads
Pipe Size	Socket Depth	Material	Color		Each
1/2	11/16"	PVC Plastic	White	4880K499	00000
3/4	23/32"	PVC Plastic	White	4880K428	0000

Press-Connect Fittings for Copper Tubing

For Use With: Drinking Water
Maximum Pressure: Fittings compatible with Viega ProPress or Viega ProPress XL-C: 200 psi @ 72° F
Fittings compatible with Viega Pex or Viega PureFlow Press: 100 psi @ 72° F
Temperature Range: 0° to 250° F
Tubing: Fittings compatible with Viega ProPress or Viega ProPress XL-C: Use with K, M, L copper
Fittings compatible with Viega Pex or Viega PureFlow Press: Use with hard polyethylene plastic
Specifications Met: See table

Crimp these fittings to copper tubing with a crimping tool (sold separately). An O-ring on the inside of the fitting creates a leak-tight connection that doesn’t require heat or soldering. They are comparable to Viega ProPress fittings. Fittings have good corrosion resistance. They meet NSF/ANSI safety standards for use with drinking water systems.

Copper tube size is the accepted designation of the copper tubing industry, not the actual tube OD.

Side-Oulet Elbow Adapters, Female Press-Connect Tube × Female Threaded Pipe

				Mounting Hole
Copper Tube Size	For Tube OD	Pipe Size	Material	Dia.	No. of	Compatible With	Specifications Met		Each
NPT Threads
1/2	5/8"	1/2	Bronze	1/4"	2	Viega ProPress	ASME B16.51, ASME B31.1, ASME B31.3, ASME B31.9, FM Approved, NSF/ANSI 61	1747N405	000000
3/4	7/8"	3/4	Bronze	1/4"	2	Viega ProPress	ASME B16.51, ASME B31.1, ASME B31.3, ASME B31.9, FM Approved, NSF/ANSI 61	1747N406	00000
1	1 1/8"	1/2	Bronze	1/4"	2	Viega ProPress	ASME B16.51, ASME B31.1, ASME B31.3, ASME B31.9, FM Approved, NSF/ANSI 61	1747N407	00000

Replacement O-Rings

For Copper Tube Size	For Tube OD	O-Ring Material	Compatible With		Each
1/2	5/8"	EPDM Rubber	Viega ProPress	1747N58	00000
3/4	7/8"	EPDM Rubber	Viega ProPress	1747N59	0000
1	1 1/8"	EPDM Rubber	Viega ProPress	1747N61	0000

Crimping Tools with Six Jaws

Jaws for copper tube sizes ½ to 2 fit directly into the included crimping tool.

			Battery
For Copper Tube Size	For Tube OD	Voltage	No. Included	Cap., amp-hrs.	Battery Charger Included	Battery Charging Time, min.	Compatible With	Specifications Met		Each
1/2, 3/4, 1, 1 1/4, 1 1/2, 2	5/8", 7/8", 1 1/8", 1 3/8", 1 5/8", 2 1/8"	18V DC	2	3	Yes	39	Viega ProPress	EMC 2011/65/EU, EMC 2014/30/EU, IEC 62841-1, UL 62841-1	2233N328	000000000