Precision Valves | McMaster-Carr

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227 Products

Flow-Adjustment Valves

Precision Flow-Adjustment Valves

Easy-Set Threaded Precision Flow-Adjustment Valves

Color-coded threads and numerical markings ensure consistent, repeatable settings

39 products

High-Precision Threaded Flow-Adjustment Valves

Adjust flow in smaller increments than other valves for finer control over the flow rate

9 products

Threaded Precision Flow-Adjustment Valves

Adjust flow in small increments for fine control, such as in metering or sampling

34 products

Threaded Precision Flow-Adjustment Valves with Vent Port

Remove instrumentation equipment without depressurizing your line

16 products

Easy-Set Plastic Threaded Precision Flow-Adjustment Valves

Color-coded threads and numerical markings ensure consistent and repeatable settings

12 products

Precision Flow-Adjustment Valves with Yor-Lok Fittings

Two sleeves bite into tubing as you tighten the nut for a strong grip and seal

8 products

Precision Flow-Adjustment Valves with Compression Fittings

A compression sleeve bites into tubing for a strong seal as you tigthen the nut

5 products

Precision Flow-Adjustment Valves with Barbed Fittings

Barbs grip onto tubing for a secure hold

7 products

Threaded Precision Flow-Adjustment Valves with Gauge Ports

Install two pieces of instrumentation to monitor multiple media without interrupting flow

8 products

Precision Flow-Adjustment Valves with Push-to-Connect Fittings

Insert tubing into the fittings—no heat, solder, or flux required

5 products

Precision Flow-Adjustment Valves with 45° Flared Compression Fittings

Flared tube fittings form a tight seal on metal tubing

2 products

Precision Flow-Adjustment Valves with Solder-Socket Fittings

Solder to tubing for a permanent, leak-tight connection

2 products

Compact Precision Flow-Adjustment Valves with Barbed Fittings

A low-profile body and a narrow port-to-port length to fit into tight spots

4 products

Precision Flow-Adjustment Valves for Steam

Threaded Precision Flow-Adjustment Valves for Steam

Use in applications with steam pressure up to 200 psi at 450° F

7 products

Precision Flow-Adjustment Valves with Yor-Lok Fittings for Steam

Two sleeves bite into tubing as you tighten the nut for a stronger grip and seal

3 products

Precision Flow-Adjustment Valves for Food and Beverage

Precision Flow-Adjustment Valves with Sanitary Quick-Clamp Fittings for Food and Beverage

Smooth internal surfaces prevent product buildup and inhibit bacteria growth

7 products

Precision Flow-Adjustment Valves with Barbed Fittings for Food and Beverage

Barbs grip onto tubing for a secure hold

2 products

Precision Flow-Adjustment Valves for Chemicals

Precision Flow-Adjustment Valves with Barbed Fittings for Chemicals

Barbs grip onto tubing for a secure hold

3 products

Precision Flow-Adjustment Valves with Push-to-Connect Fittings for Chemicals

Insert tubing into the fittings—no heat, solder, or flux required

2 products

Threaded Precision Flow-Adjustment Valves for Chemicals

A fluoroelastomer seal and plastic body withstand corrosive solutions

9 products

Precision Flow-Adjustment Valves for Fuel

Threaded Precision Flow-Adjustment Valves for Fuel

Turn the handle to adjust the flow of gas, propane, and other fuel in small increments

2 products

Precision Flow-Adjustment Valves with Barbed Fittings for Fuel

Barbs grip onto tubing for a secure hold

4 products

Other Products

Air Flow Control Valves

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

29 products

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

9 products