Laboratory Valves | McMaster-Carr

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System of Measurement

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Body Material

For Use With

Fitting Connection

Thread Type

UN/UNF (SAE Straight)

Actuation

Material

Compressed Non-Asbestos Synthetic Fiber

Shape

Adjustable-Angle Elbow

Maximum Pressure @ Temperature

Connects To

Valve Type

Pressure Drop Assisted

Gender

Handle Style

Tube OD

Valve Function

Handle Type

Lockable with Ratchet Opening

Standard with Ratchet Opening

Maximum Temperature

Ball Material

Fitting Type

Flow Coefficient (Cv)

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

2B350

2B999

EAR99

DFARS Specialty Metals

Exempt

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7,984 Products

Fluid Handling

Manual On-Off Valves

Start and stop flow through a line

3,272 products

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids through a line

804 products

Diverting Valves

Redirect flow between ports

268 products

Check Valves

Permit flow in only one direction by closing when flow stops or reverses

803 products

Sampling Valves

Drain a small amount of liquid or gas for inspection without disrupting flow

10 products

Tap Valves

Pierce copper tubing for a secondary line to humidifiers and ice makers; also known as saddle valves

1 product

Solenoid On-Off Valves

A solenoid withstands rapid cycling for applications with frequent opening and closing

566 products

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

30 products

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

989 products

Motor-Actuated On-Off Valves

An electric motor handles higher flow rates and pressures than solenoid valves

85 products

Air-Actuated On-Off Valves

Operate on compressed air to start and stop flow faster than motor-driven valves

194 products

Liquid-Dispensing Metering Valves

Program to dispense a specific amount of liquid every time and shut off when set amount is reached

3 products

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

5 products

Hose Nozzles

Control flow while dispensing water, fuel, hydraulic fluid, coolant, and chemicals

2 products

Power Transmission

Safety Lockout Valves

Prevent accidental start-up when servicing equipment

93 products

Air Flow Control Valves

Control the speed of air-powered equipment by adjusting the volume of airflow entering or exiting

293 products

Hydraulic Check Valves

Open to allow hydraulic fluid flow in one direction and close when flow stops or reverses

78 products

Air Flow Check Valves

Open to allow air flow in one direction and close when flow stops or reverses

21 products

Hydraulic Flow-Adjustment Valves

Turn the knob to gradually adjust the flow of hydraulic fluid

2 products

Hydraulic On-Off Valves

Control the flow in high-pressure hydraulic systems

43 products

Facility and Grounds Maintenance

Water Supply Stop Valves

Shut off water to faucets, toilets, and fountains

23 products

Garden Hose Valves

Start and stop the flow of water through your garden hose

29 products