3-Way Hydraulic Relay Valve Universal Relay Valve (URV)
The BERMAD URV-3-0 is a 3-way Spring Return Balanced Poppet type,
pressure operated diaphragm actuated pilot valve.
The URV changes its position from open to close in response to pressure being supplied to its control chamber.
The URV pilot valve is used as a relay device designed for BERMAD
Deluge and Remote Control Monitor Valves, commonly used to actuate
the BERMAD main valve upon pressure release from the URV (the
main valve will be “pressure to close”).
The URV’s balanced-poppet design enables safe reliable operation with a low control pressure using compact dimensions. The URV is specifically designed for Fire Safety systems in that it has no mechanical friction of the internal parts, greatly increasing reliability. This also makes it ideal for use with corrosive fluids such as firewater, brackish water or seawater.
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3-Way control: No continuous release from main valve control trim, suitable for foam systems and pit installations.
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Frictionless operation: Isolating membrane increases safety and reliability, well suited for use with sea-water and corrosive fluids
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Balanced Poppet Shaft: Enables a low control / pilot pressure regardless of the line supply pressure
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Heavy duty construction: Suitable for the harsh conditions of chemical and offshore facilities
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Low control pressure regardless of system pressure: Standard 2.5bar/36psi. Low pressure version 1.2bar/17.4psi