Pressure Differential Overflow Control Valve
The BERMAD model FP-426-02 is an elastomeric hydraulic line pressure driven differential reducing valve.
The 426-02 is equipped with an adjustable differential pilot valve and is used to maintain a set pressure differential between two different points.
When the differential between the two sensed pressures approaches the pre-set maximum the pilot valve starts to close the main valve, regulating the pressure and preventing the differential from rising further.
The 426-02 is ideal for balanced foam proportioning systems, also as a safeguard for dosing pump flow overload.
As an option the 426-02 can be fitted with a valve position indicator that can include a limit switch suitable for Fire & Gas monitoring systems.
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- Safety and reliability
- Time proven, simple design with a fail safe actuation
- Single piece rugged elastomer, VRSD technology
- Obstacle-free, uninterrupted flow path
- No mechanical moving parts
- Quick and easy maintenance
- In-line serviceable
- Fast and easy cover removal
Typical Applications
- Pump overload & cavitation protection
- Balanced pressure proportioning systems
- Foam concentrate injection systems
- Pump flow safeguard
Pressure Differential Overflow Control Valve
FP-426-02
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