Pressure Control and Check Valve
Construction
The BERMAD model 42T-20 is an elastomeric, hydraulically operated, self actuated automatic pressure control valve with a check valve feature. This valve is designed for advanced fire protection systems in accordance with the NFPA-13 and NFPA-20 guidelines.
This valve will reduce a high upstream pressure to a low and stable designed system pressure, the check feature makes this valve ideal for fire system pressure control between floors in high rise buildings.
As a fire pump surge control valve the 42T-20 will prevent pump water surge pressure spikes, typically caused by the accelerated water flow during fire pump start-up.
In addition this valve will significantly reduce pump start negative suction pressure, preventing pump cavitation damage.
Due to exceptional reliability, safe actuation and low head loss, the 42T-20 is highly suited for fire pump discharge pressure control applications.
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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 elastomeric diaphragm seal - VRSD technology
- Obstacle-free, uninterrupted flow path
- No mechanical moving parts
- High performance
- Fast, smooth response to pressure fluctuations
- Very high flow efficiency
- Straight through Y type body
- PN25/365 psi working pressure
- Specifically-designed for fire protection
- Face-to-face length standardized to ISO 5752 EN 558-1
- Accurate and stabilizing pressure control
- Quick and easy maintenance
- In-line serviceable
- Fast and easy cover removal
Typical Applications
- Sprinkler feed systems
- Fire pump discharge control
- Surge prevention on pump start up.
- Branch pressure reducing and check valve
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Pressure Control and Check Valve
FP-42T-20
