Model B166B Automatic, Dual-Purpose Bypass Valves

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The model B166B is a combination bypass and priming valve designed specifically for small cylinder filling pumps such as Corken’s Coro-Flo® regenerative turbine and side channel pumps. The patented vapor elimination system improves the pumping efficiency and minimizes wear by keeping the pump consistently primed. It is a smooth operating bypass with moderate to high pressure build-up and is available in 3/4" and 1" sizes.
Typical Applications: Ideal for small cylinder filling pumps and aerosol propellant feed pumps.
Connections: 3/4” or 1” inlet & outlet 
Differential pressure range: 25 – 225 psi (1.7 – 15.5 bar)  
Maximum working pressure: 400 psig (27.6 bar g) 
Capacity: 40 gpm (151 l/min)

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