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String Dump Valve

Technical specification

  • Diameter: 45,5 mm
  • Height: 41 mm (total with weld nut), 26 mm (exterior)
  • Attachment threads: M33 x 1,5
  • Pressure resistance at 10 normal liters/minute: 100 mbar, at 100 normal liters/minute: 120 mbar
  • Released pressure resistance: maximum 30 mbar at flow rate 100 liters/minute free flow

Product information | Item no: 13350WN

Related files

Dump/Pee Valves

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.


Weld nut: SI TECH Weld nut with item no: 11032. (Weld nut is included in 13350WN.)

Attachment tools: Item no: 18417 (set with external and internal tools, for grip enhancement).