Patch Clamps | McMaster-Carr

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Air

Steam

	Number of Bolts Number of Bolts

	Maximum Pressure Maximum Pressure

25 psi @ 72° F

60 psi @ 72° F

100 psi @ 72° F

	Length Length

12"

	For Pipe Material For Pipe Material

	Maximum Temperature Maximum Temperature

180° F

300° F

	Minimum Temperature Minimum Temperature

-20° F

Not Rated

	Gasket Material Gasket Material

63 Products

Low-Pressure Pipe Repair Clamps for Air

For Use With: Air
Temperature Range: -20° to 180° F
For Pipe Material: Aluminum, Copper, Iron, PVC Plastic, Steel

Also called patch clamps, use these clamps to repair pinholes and cracks in pipe without having to disassemble your system. Clamps are 304 stainless steel for very good corrosion resistance.

3" Lg.
For Pipe OD	For Pipe Size	No. of Bolts	Max. Pressure	Max. Vacuum	Material	Lug Material	Nut Material	Bolt Material	Gasket Material	Features		Each
0.84"	1/2	1	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	000000
1.05"	3/4	1	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
1.315"	1	1	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
1.66"	1 1/4	1	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
1.9"	1 1/2	1	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
2 3/8"	2	1	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
2 7/8"	2 1/2	1	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
3 1/2"	3	1	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
4"	3 1/2	1	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
4 1/2"	4	1	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
5.563"	5	1	60 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
6 5/8"	6	1	60 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
8 5/8"	8	1	60 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
10 3/4"	10	2	25 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	Two-Piece Design	00000000	00000
12 3/4"	12	2	25 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	Two-Piece Design	00000000	00000
6" Lg.
0.84"	1/2	2	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
1.05"	3/4	2	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
1.315"	1	2	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
1.66"	1 1/4	2	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
1.9"	1 1/2	2	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
2 3/8"	2	2	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
2 7/8"	2 1/2	2	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
3 1/2"	3	2	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
4"	3 1/2	2	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
4 1/2"	4	2	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
5.563"	5	2	60 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
6 5/8"	6	2	60 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
8 5/8"	8	2	60 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	00000000	00000
10 3/4"	10	4	25 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	Two-Piece Design	00000000	000000
12 3/4"	12	4	25 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	Two-Piece Design	00000000	000000
9" Lg.
2 3/8"	2	3	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	00000
2 7/8"	2 1/2	3	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	00000
3 1/2"	3	3	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	00000
4"	3 1/2	3	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	00000
4 1/2"	4	3	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	000000
5.563"	5	3	60 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	000000
6 5/8"	6	3	60 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	000000
8 5/8"	8	3	60 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	000000
10 3/4"	10	6	25 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	Two-Piece Design	0000000	000000
12 3/4"	12	6	25 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	Two-Piece Design	0000000	000000
12" Lg.
2 3/8"	2	4	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	00000
2 7/8"	2 1/2	4	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	00000
3 1/2"	3	4	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	000000
4"	3 1/2	4	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	000000
4 1/2"	4	4	100 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	000000
5.563"	5	4	60 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	000000
6 5/8"	6	4	60 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	000000
8 5/8"	8	4	60 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	__	0000000	000000
10 3/4"	10	8	25 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	Two-Piece Design	0000000	000000
12 3/4"	12	8	25 psi @ 72° F	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Steel	Steel	Buna-N Rubber	Two-Piece Design	0000000	000000

Low-Pressure Pipe Repair Clamps for Steam

For Use With: Steam
Max. Temperature: 300° F
For Pipe Material: Iron, Steel, Aluminum, PVC Plastic, Copper

Also known as patch clamps, use these to repair pinholes and cracks in pipe without having to disassemble your system. Clamps are 304 stainless steel for very good corrosion resistance.

3" Lg.
For Pipe OD	For Pipe Size	No. of Bolts	Max. Vacuum	Material	Lug Material	Nut Material	Bolt Material	Gasket Material		Each
0.84"	1/2	1	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Galvanized Steel	Galvanized Steel	EPDM Rubber	00000000	000000
1.05"	3/4	1	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Galvanized Steel	Galvanized Steel	EPDM Rubber	00000000	00000
1.315"	1	1	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Galvanized Steel	Galvanized Steel	EPDM Rubber	00000000	00000
6" Lg.
1.66"	1 1/4	2	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Galvanized Steel	Galvanized Steel	EPDM Rubber	00000000	00000
1.9"	1 1/2	2	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Galvanized Steel	Galvanized Steel	EPDM Rubber	00000000	00000
2 3/8"	2	2	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Galvanized Steel	Galvanized Steel	EPDM Rubber	00000000	00000
2 7/8"	2 1/2	2	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Galvanized Steel	Galvanized Steel	EPDM Rubber	00000000	00000
3 1/2"	3	2	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Galvanized Steel	Galvanized Steel	EPDM Rubber	00000000	00000
4 1/2"	4	2	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Galvanized Steel	Galvanized Steel	EPDM Rubber	00000000	00000
9" Lg.
6 5/8"	6	3	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Galvanized Steel	Galvanized Steel	EPDM Rubber	00000000	000000
8 5/8"	8	3	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Galvanized Steel	Galvanized Steel	EPDM Rubber	00000000	000000
10 3/4"	10	6	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Galvanized Steel	Galvanized Steel	EPDM Rubber	00000000	000000
12" Lg.
12 3/4"	12	8	15 in. of Hg @ 72° F	304 Stainless Steel	Iron	Galvanized Steel	Galvanized Steel	EPDM Rubber	00000000	000000

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