Non-return (Stop-Check) valves provide the same function as a globe valve with the addition of providing piston-lift-check valve protection in the event of backflow.
Non-return (Stop-Check) valves provide the same function as a globe valve with the addition of providing piston-lift-check valve protection in the event of backflow.
逆止阀(截止止回阀)具有与截止阀相同的功能，还有活塞提升式止回阀的功能，防止出现意外的回流。