Product Description
In the world of compressed air, pressure matters. But what happens when you need consistent flow at specific, lower pressures? Enter Seetru’s Minimum Pressure Check Valves. These compact valves act as gatekeepers, ensuring only air exceeding a pre-set pressure threshold reaches your equipment. No more sputters, hiccups, or unreliable performance – just smooth, optimized operation for delicate applications like medical devices and intricate spray systems. Seetru Minimum Pressure Check Valves: small in size, big on control. Explore our website and discover how these valves can stabilize your low-pressure workflow and unlock new levels of precision.
Minimum Pressure Check Valves are control valves typically suitable for application on compressors.
Minimum pressure check valves are spring-loaded pressure control valves with an inbuilt check (non-return) valve.
They are usually fitted to the AIR/OIL separator tank.
419 Minimum pressure check valves
Technical Information for the 419 Minimum pressure check valves
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Working Pressures33 - 200 psi (2.28 - 13.8 bar)
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Working TemperatureUp to 180°C (dependant on seal material)
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Flow RateUp to 2548.5 m³/hr
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Materials of ConstructionGrey cast iron or aluminium body with aluminium internals
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Seal MaterialsViton® Nitrile
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Test CertificationIncluded - supplied Free of charge
Valve Opening
The valve opens when the increasing inlet pressure exceeds the adjusted opening pressure. Further increasing the pressure causes the piston to progressively open until the output of the compressor flows through the valve at the flowing pressure required. The valve size is selected to suit the flow required at the specified flowing pressure and pressure drop.
Valve Closing
If the demand for air is such that the pressure at the valve inlet decreases to the specified minimum pressure, the valve will close to a position such that the flow through the valve will be equal to the flow produced by the compressor. If there is a back pressure downstream of the valve which is greater than the inlet pressure, the check valve will close.
Approvals
- UKCA – PE(S)R
- Pressure Equipment Directive, PED (CE marked)
- Russian GOST-R/RTN
Downloads
View or Download the 419 Minimum Pressure Check Valve Datasheet
View or Download the 419 Minimum Pressure Check Valve Datasheet
View or Download the 419 Minimum Pressure Check Valve Datasheet
Seetru offers a wide range of downloadable datasheets for our products, including safety relief valves, liquid-level gauges, and sight glasses. These datasheets provide detailed information on the technical specifications, features, and applications of Seetru products. They are an essential resource for engineers, designers, and other professionals who need to select the right Seetru products for their specific needs.
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