The small size of this valve by Parker Hannifin reduces the travel distance of moving parts. Pumps and valves do vital work in many different medical devices and manufacturing operations. Of course, ...

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 ...

Part 1 in this series covered defrost cycle problems in heat pumps. Now, let's discuss the second major winter issue: heat pumps stuck in one mode. The customer calls and says the system won't switch ...