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Steel Inline Hydraulic Check Valve, Male 1/4-18 NPT Ports, PSI Cracking Pressure, Up to 2.50 GPM & 3000.00 PSI

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Description & Features

DELTROL Fluid Products offers a robust solution for hydraulic systems with the Steel Inline Hydraulic Check Valve. Featuring male 1/4-18 NPT ports, this valve ensures efficient flow management with an operating capacity of up to 2.50 GPM and a maximum pressure of 3000 PSI.

This compact valve, crafted from high-quality steel, is designed to permit free flow in one direction while providing a positive check in the opposite direction. The soft seat design ensures a bubble-tight seal, crucial for maintaining system integrity.

Engineered for hydraulic applications, the valve requires a low differential pressure to operate, making it both efficient and reliable. The stainless steel components further enhance its durability and performance under varying conditions.

Ideal for use in demanding environments, this check valve operates effectively within a temperature range of -30deg;F to 250deg;F, making it suitable for a variety of industrial settings.

MPN: CMMQ20S

Supplier Part Number: CMMQ20S

Specifications

b Dimensions
0.63 in
Ball Material
Stainless Steel
Body Material
Steel
Configuration
In-Line
Connection Type
FNPT
Disc Material
Stainless Steel
End Type
Female
Nominal Size
1/4 in
Port Type
NPTF
Seal Material
Stainless Steel
Seat Material
Buna-N
Softgoods Material
Buna-N
Trim Material
Stainless Steel

Product Questions & Answers (2)

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Question by: Clint M on Aug 28, 2025, 5:45 PM
does this valve work for standard hydraulic lines runnin at 3000 psi, or is that pushin it too hard?
Answer by: Customer Support on Aug 30, 2025, 6:55 AM
3000 PSI is right at the rated maximum for non-shock service, so as long as your system isn't throwing pressure spikes, you're well within spec. The steel body is built for hydraulic use at that pressure level. Just keep in mind the non-shock limitation. Surge or hammer conditions would put you outside what this valve is rated for.
Question by: Ronnie G on May 13, 2025, 1:47 PM
What kind of systems would this steel check valve be good for? I'm running hydraulics, not pneumatics.
Answer by: Customer Support on May 15, 2025, 9:37 AM
Being made of steel, this check valve is specifically designed for hydraulic systems. Brass valves are better suited for pneumatic and lower-pressure setups.

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