A 6-Port Master Drain Valve (Class 1) is a valve that is used to quickly drain multiple intake and discharge lines on a fire truck. It has six individually sealed ports, and is made of brass and stainless steel for durability. It can be operated manually or automatically, and is rated for up to 600 psi of water pressure.
6-Port Master Drain Valves are commonly used on fire trucks to drain the following lines:
- Intake lines
- Discharge lines
- Pump lines
- Foam lines
- CAFS lines
