Steel Needle Valves | McMaster-Carr

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286 Products

Flow-Adjustment Valves

Precision Flow-Adjustment Valves

High-Pressure Threaded Precision Flow-Adjustment Valves

Withstand at least 6,000 psi in hydraulic and compressed air systems

60 products

Easy-Set Threaded Precision Flow-Adjustment Valves

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

20 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

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

19 products

High-Temperature Threaded Precision Flow-Adjustment Valves

Rated for nearly twice the maximum temperature of standard valves, up to 700° F

5 products

Easy-Set Plastic Threaded Precision Flow-Adjustment Valves

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

12 products

Threaded Precision Flow-Adjustment Valves with Gauge Ports

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

8 products

Panel-Mount Threaded Precision Flow-Adjustment Valves

Use the hex nut and threads that sit below the handle to install in instrument panels

6 products

Panel-Mount High-Pressure Threaded Precision Flow-Adjustment Valves

Install in instrument panels with pressures up to 10,000 psi

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

High-Pressure Threaded Precision Flow-Adjustment Valves with Vent Ports

Isolate gauges, switches, and more for interruption-free maintenance, calibration, and sampling

2 products

Threaded Precision Flow-Adjustment Valves with Vent Port

Remove instrumentation equipment without depressurizing your line

16 products

Precision Flow-Adjustment Valves with Solder-Socket Fittings

Solder to tubing for a permanent, leak-tight connection

2 products

Precision Flow-Adjustment Valves for Steam

High-Pressure Threaded Precision Flow-Adjustment Valves for Steam

Withstand a maximum steam pressure of at least 4,800 psi at 355° F

3 products

Precision Flow-Adjustment Valves with Sanitary Quick-Clamp Fittings for Clean Steam

Smooth internal surfaces prevent product buildup and inhibit bacteria growth

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 Chemicals

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

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

3 products

Flow-Adjustment Valves for Hydraulic Jacks

Control the flow of oil to adjust ram speed, or shut off to temporarily hold a load

2 products

Metering Valves for Abrasive Blasting

Control the amount of abrasive material that your blast hose releases

8 products

Other Products

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

34 products

Air Flow Control Valves

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

51 products

Flow-Adjustment Valve Manifolds

Control flow to multiple points from one source

2 products