Differential Pressure Sustaining Valve
FP-436-00
400E Series
Fire Protection
The Model FP 436 Differential Pressure Sustaining Valve is a hydraulically operated, diaphragm actuated, control valve that sustains a minimum pre-set, differential pressure between two points regardless of fluctuating flow or varying upstream pressure.
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- Safety and reliability
- Low headloss design - Increased safety at reduced pressure supply
- Time proven, simple design with a fail safe actuation
- Single piece rugged elastomer, VRSD technology
- Obstacle-free, uninterrupted flow path
- No mechanical moving parts
- High performance
- Fast, smooth stabilizing response to pressure fluctuations
- Very high flow efficiency
- Quick and easy maintenance
- In-line serviceable
- Fast and easy cover removal
Typical Applications
- Pump overload & cavitation protection
- Emergency filter by-pass
- Balanced pressure proportioning systems
- Foam concentrate recirculation
Differential Pressure Sustaining Valve
FP-436-00
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