4-Function Valve

4-Function Valve

This compact and economical valve performs four important functions for your LMI pump:
1. Diaphragm type anti-syphon protection
2. Back pressure
3. Priming aid/line drain
4. Pressure Relief
Priming with the 4FV is simple and is achieved by turning of the pressure relief knob (black). A recommended accessory for every LMI electromagnetic pump.

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