Fuera de Stock Out-of-Stock Spare parts Sitech String Dump Valve 13350WN 36.30 € Spring loaded Dump Valve with twin check valves and cord. Intended for use in inflatable units such as rebreathers, lift bags, BCD´s etc. Double check valves reduce water intrusion to a minimum. A moving pressure plate prevents the check valve from tacking to the spring retainer when dumping manually.This Dump Valve is designed to be fitted in a Weld nut. View