Check valves are installed in many piping systems. Their purpose is to allow flow in only one direction, which can be critical for plant safety and to protect equipment from… ...

There are a few different check valve designs, including swing check valves and spring-loaded poppet-style check valves. Understanding which type is best for a given application and ensuring ...

Then carefully rotate the crankshaftby handuntil resistance is encountered, indicating that the piston is forcing the rope tightly against the valves and combustion chamber. The valve springs for ...