Inline High Pressure Check Valve – 3000, 6000 & 10000 PSI
Inline high pressure check valves with compact forged body design rated 3000 PSI, 6000 PSI, and 10000 PSI. Screwed (BSP/NPT) and socket weld ends. Body: A105 / A182 F316. Design per BS 5155 / BS 6755. Ensures unidirectional flow and prevents reverse flow that could damage equipment. Ideal for hydraulic systems, instrumentation, sampling lines, and high-pressure process tubing.
Quick Summary
Inline HP Check Valve = Compact forged body NRV for high-pressure applications up to 10,000 PSI. Hex body for easy wrench installation. Spring-loaded poppet disc for positive sealing. Metal-to-metal or soft-seat (PTFE) options. Used in hydraulic systems, instrumentation panels, chemical injection, and HP process tubing.
Key Specifications
Bill of Materials
Also available in A182 F11, F22 (alloy steel), Monel, Inconel, Hastelloy on request.
Key Features
Compact Design
Hex forged body fits tight piping layouts. Inline installation between pipe fittings without flanges.
Ultra-High Pressure
Rated up to 10,000 PSI (690 bar). Forged body construction for maximum strength-to-weight ratio.
Positive Sealing
Spring-loaded poppet disc ensures positive closure even at low differential pressure. Metal-to-metal or PTFE seat.
Easy Installation
Hex body for standard wrench operation. Screwed or socket weld connections for secure installation.
Applications
Hydraulic Systems
Instrumentation
Chemical Injection
HP Process Tubing
Sampling Lines
Boiler & Steam
Frequently Asked Questions
What pressure ratings are available?
3000 PSI (~207 bar), 6000 PSI (~414 bar), and 10000 PSI (~690 bar). Body material determines actual working pressure at elevated temperatures per ASME B16.34.
What end connections are available?
Screwed ends (BSP or NPT threads) and socket weld ends. Hex body for wrench installation. Compact inline dimensions for tight piping.
What materials are available?
Body: A105 (CS), A182 F316 (SS), F11/F22 (alloy). Internals: AISI 410, SS 304/316. Spring: SS. Exotic alloys (Monel, Inconel, Hastelloy) on request.
Need High Pressure Check Valves?
Available up to 10,000 PSI. Multiple materials and end connections. EN 10204 3.1 MTCs.