Brass Pinch Valves | McMaster-Carr

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Durometer 50A

Durometer 60A

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About On/Off Valves

Noncontact Flow-Adjustment Valves

Also known as pinch valves, these press down on the outside of tubing to adjust flow without contacting the process media. They can be used with any media that’s chemically compatible with your tubing.

Nickel-plated brass valves are more corrosion resistant than zinc or zinc-plated steel valves.

Valves with an open body provide easy access to tubing for maintenance or replacement.

Valves with a closed body securely hold tubing in place.

Nickel-Plated Brass Body

Open Body

Closed Body

For Tube OD	Body Style	Temp. Range, °F	For Max. Tube Hardness		Each
3/32" - 5/8"	Open	-100° to 450°	Durometer 50A	0000000	00000
3/32" - 3/4"	Closed	-100° to 450°	Durometer 50A	0000000	0000

Panel-Mount Noncontact Flow-Adjustment Valves

For installation in instrument panels, these valves have a hex nut and threads below the handle. Also known as pinch valves, they press down on the outside of tubing to adjust flow without contacting the process media. Valves can be used with any media that’s chemically compatible with your tubing.

Nickel-Plated Brass Body
For Tube OD	Body Style	Panel Cutout Dia.	For Max. Tube Hardness		Each
1/4"	Closed	1/2"	Durometer 60A	0000000	000000

Tap Valves

Valve Type: Saddle
For Use With: Air, Water
For Tube Material: Copper

Also known as saddle valves, these self-piercing valves tap existing copper tubing lines so you can install a secondary water supply line to humidifiers, ice makers, and other equipment. Clamp the valve into position and turn the handle to pierce a 1/4" hole in the tubing. Do not use with pipe. The outlet connection is a 1/4" compression tube fitting.

							O'all
For Tube OD	Connection Type	Connection Style	Max. Pressure @ Temp.	Temp. Range, °F	Port-to-Port Lg.	Valve Ht.	Ht.	Lg.		Each
Brass Body
3/8" to 1 5/16"	Tube	Clamp	150 psi @ 180° F	35° to 180°	2 3/8"	1 3/16"	3"	2 3/8"	0000000	000000

Noncontact On/Off Valves

Also known as pinch valves, these valves stop flow by squeezing tubing from the outside. Since they don’t directly contact your fluid, they’re good for applications where you need to prevent contamination. Install these valves in instrument panels—the body is sized to fit standard cutouts. It’s a closed body, so it surrounds the tubing for a secure hold. Once these valves are installed, their toggle switch sticks out of the panel, so you can quickly start or stop the flow without exposing your line. They can be used with any media that’s chemically compatible with your tubing.

Nickel-Plated Brass Body
For Tube OD	Body Style	Return Actuation	End-to-End Lg.	Panel Cutout Dia.	For Max. Tube Hardness		Each
1/8"	Closed	Manual	1 1/16"	15/32"	Durometer 60A	00000000	000000