Check Valve Parts Diagram. Check valves are two port valves meaning they have two openings in the body one for fluid to enter and the other for fluid to leave. Symbol of check valve.
Richdel sprinkler valve diagram. The sealing surface is on the inlet side of the check valve body. Orbit irrigation produces the best sprinkler valves.
A pivoting ball in the center of the valve controls the flow of liquid or gas media.
Clean the threads on the line fittings 4. A check valve allows flow in one direction but blocks the flow in the opposite direction. Top hinged tilting disk lift type piston type ball type. This is the simplest design available and it is used for inexpensive valves.