BRISTOL Valve is Hydraulically actuated, pilot operated diaphragm control valve.
The XT-4080 Series Deluge Valve is held closed by sys-tem water pressure trapped in the top cover chamber. When the releasing system operates, pressure is re- leased from the top cover chamber and the dia- phragm assembly moves upward allowing the water to flow into the system.
Features:
- Steel body for longer life
- All sizes are with stainless steel pilots for very quick opening
- Valve size up to 8” will open within 2 seconds
- Unique Quad Ring seal from Parker/3M-USA for drip tight shut off
- Diaphragm of even thickness, flexible and strong rated up to 375 psig pressure
- Deluge Valve is completely Pre-piped with Wet Trim/Pneumatic Trim from factory – saving high labour cost to do Trim Fitting at site
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