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Product
Compact Non Return Valve Screwed Ends
Compact Check Valves provide reliable one-way flow control in a space-saving design. Preset cracking pressures, leak-tight sealing, and durable construction ensure dependable backflow prevention in instrumentation systems.

Instrumentation Valves
Compact Non Return Valve Screwed Ends
The primary objective of a check valve is to protect process systems by preventing reverse flow, maintaining system integrity, and reducing the risk of equipment damage. By allowing controlled one-way flow and automatic shutoff under backpressure conditions, check valves help ensure safe, efficient, and reliable operation in fluid handling applications. They are widely used in instrumentation, hydraulic, pneumatic, and process control systems where flow direction must be maintained without manual intervention.
- Max working pressure
- up to 6000 psig
- Body materials
- CS, SS 304, SS 316, Duplex, Super Duplex, Inconel 625, Inconel 825, Hastelloy C276
- Thread systems
- NPT, BSPP, BSPT
Features
- One-way flow control with automatic backflow prevention
- Preset cracking pressure for controlled valve opening
- Available in ball and poppet seal designs
- Reliable leak-tight shutoff under reverse pressure
- Compact and robust construction
Applications
- Sampling Systems
- Hydraulic & Pneumatic Systems
- Oil & Gas Processing
- Chemical & Petrochemical Plants
- Power Generation
- Tube OD range
- 1/4 in, 3/8 in, 1/2 in
- Size range
- 1/4 in, 3/8 in, 1/2 in
- Max working pressure
- up to 6000 psig
- Thread systems
- NPT, BSPP, BSPT
- Body materials
- CS, SS 304, SS 316, Duplex, Super Duplex, Inconel 625, Inconel 825, Hastelloy C276
- Temperature
- -29 °C to 232 °C
CS
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
SS 304
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
SS 316
standardSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
Duplex
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
Super Duplex
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
Inconel 625
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
Inconel 825
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
Hastelloy C276
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
Certification pack available on request for this range.
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