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4-way valve DN 125 Truck Master 3400


  • Cast iron construction
  • Compact design

4-way valve designed to switch the flow direction between vacuum and pressure, allowing you to fill up and empty your tank.

This 4-way valve can be acquired with a pneumatic actuator or as manually controlled.

The valve has two flow positions and a neutral/central position where all ports are closed.

How to order

Order numbers

Valve including manual shifting handle925500053
With pneumatic actuator1634245



Set of welding flanges1505021


Can also be used for these previous models:
Samson KM2200
Samson KM2700

4 way valve

Quick tutorial of mounting and maintaining the 4 way valve.

4-Way Valve DN125

Here you can download the manual of the 4-way valve DN125.