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 ...

And when they work together, manufacturers and users of pumps and valves can come up with long-lasting solutions for even the most wearing fluid- and air-moving problems. Wear-Fighting Valve Designs ...

Traditional sucker rod pumps (SRP) use a single traveling valve, but recent double traveling valve innovations have improved SRP performance and efficiency in field applications with double traveling ...