Crane Check Valve, Van Kiểm Tra Crane. 147XU 2″ to 24″ Swing Check Valve – Cast Steel Class 150 Size 2″ to 24″ 159XU 2″ to 12″ Swing Check Valve – Cast Steel Class 300 Size 2″ to 12″ D104 1/4″ to 2″ Lift Check Valve – Bronze PN20 Size 1/4″ to 2″ End Connnections …
