check valves
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The PROCO Series 700 “ProFlexTM” Rubber Check Valve is a cost effective way to control back pressures from sewage treatment plants, outfalls and tidal operations. They are a fully passive flow device requiring neither maintenance nor any outside sources of power or manual assistance to operate.
The Shand & Jurs Biogas 97220 Back Pressure Check Valve uses a free swinging 'pendulum' pallet design to provide maximum flow rates with a minimum pressure drop in low pressure gas control lines.
CSG have a range of metal seated swing check valve to bs5153 with all the various add ons (lever, weight & guard etc).
The 106-HC and 206-HC hydraulic check valves are based on the 106-PG or 206-PG main valve. The valve functions as a two position valve - either fully open or fully closed. The HC allows one way flow only. Under normal forward flow, the valve opens as the higher inlet pressure lifts the inner valve assembly and the fluid in the upper chamber is ...
The model 10 is used as a pilot check valve on all series 106 and 206 valves requiring a pilot check function, ie BPC, PR-C, RPS-C. It is designed to require a low “cracking” differential pressure to open. The model 12 has a higher “cracking” pressure, ie requires more differential pressure to open.
