Look out for one-way valves located in your bilge-pump overboard discharge hose. The intended purpose is to prevent the water left in the bilge hose from flowing back into the boat after the pump ...

Since 1958, Check-All Valve® Mfg. Co. has manufactured a complete line of spring-loaded piston-type check valves, also known as silent check valves. We service customers all over the world in the ...

[SunShine] has been working on 3D printed pumps and similar parts with an aim towards building smaller and more compact hydraulic systems. His latest effort involves printing working hydraulic check ...