Valves

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direct acting relief valves bermad fire protection the bermad model fp- hc- is a direct acting, spring loaded, diaphragm type, relief valve. the single port is held closed buy the force of the adjustable spring located above the pressure sensing diaphragm. when the force of the pressure sensed under

rise nn easy in-field pressure setting adjustment nn ul/fm approved nn available in corrosion resistant materials nn tamperproof cap typical applications nn pressurized sprinkler systems nn fusible plug pilot lines nn thermal release for wet piping systems nn pressure relief for pressure control valves...

https://www.bermad.com/wp-content/uploads/FP-3HC-0_v18-1.pdf

constant downstream pressure, regardless of fluctuating demand or varying upstream pressure. the valve is equipped with a full opening eclectic override device. it reduces pressure loss across the valve to a minimum, in the event of a pressure drop below a minimum value. bermad sigma en/es series valves

are hydraulic, oblique pattern, globe valves with a raised seat assembly and double chamber unitized actuator, that can be disassembled from the body as a separate integral unit. the valves hydrodynamic body is designed for unobstructed flow path and provides excellent and highly effective modulation...

https://www.bermad.com/wp-content/uploads/WW_720-59-SIGMA_Product-Page_English_11-2017_smart-1.pdf

relief valve provides smooth drip tight closing. installation . ensure enough space around the valve assembly for future maintenance and adjustments. . prior to valve installation, flush the pipeline to insure flow of clean fluid through the valve. . for future maintenance, install isolation gate valves

should closing process causes system pressure rise. thus providing an "abs" closing characteristics. iom q trouble-shooting . valve fails to open: check for sufficient inlet pressure, confirm pilot setting & check cock valve status. . valve fails to close: confirm pilot setting, check cock & needle valves...

https://www.bermad.com/wp-content/uploads/WW_73Q_4-20-inch_IOM_English.pdf

signals, isolating the pump from the system during pump startup and shutdown, thereby preventing pipeline surges.while open, it sustains minimum pump discharge pressure regardless of fluctuating flow, and prevents the pump from exceeding its designed flow or power consumption. bermad sigma en/es series valves

are hydraulic, oblique pattern, globe valves with a raised seat assembly and double chamber unitized actuator, that can be disassembled from the body as a separate integral unit. the valves hydrodynamic body is designed for unobstructed flow path and provides excellent and highly effective modulation...

https://www.bermad.com/wp-content/uploads/WW_743-SIGMA_Product-Page_English_11-2017_smart.pdf

shuts off in response to electric signals, isolating the pump from the system during pump startup and shutdown, thereby preventing pipeline surges. while open, it maintains a pre-set maximum flow, preventing the pump from exceeding its designed flow or power consumption. bermad sigma en/es series valves

are hydraulic, oblique pattern, globe valves with a raised seat assembly and double chamber unitized actuator, that can be disassembled from the body as a separate integral unit. the valves hydrodynamic body is designed for unobstructed flow path and provides excellent and highly effective modulation...

https://www.bermad.com/wp-content/uploads/WW_747-U-SIGMA_Product-Page_English_11-2017_smart.pdf

reservoir level. during filling the valve sustains minimum upstream pressure regardless of fluctuating flow or reservoir level. reservoir filling is in response to a bi-level electric float switch signal opening at a pre-set low level and shutting off at a pre-set high level. bermad sigma en/es series valves

are hydraulic, oblique pattern, globe valves with a raised seat assembly and double chamber unitized actuator, that can be disassembled from the body as a separate integral unit. the valves hydrodynamic body is designed for unobstructed flow path and provides excellent and highly effective modulation...

https://www.bermad.com/wp-content/uploads/WW_753-65-SIGMA_Product-Page_English_11-2017_smart.pdf

pressure or reservoir level and protects the valve from cavitation damage. reservoir filling is in response to a hydraulically controlled non-modulating bi-level vertical float that opens at a pre-set reservoir low level and shuts off drip-tight at a pre-set high level. bermad sigma en/es series valves

are hydraulic, oblique pattern, globe valves with a raised seat assembly and double chamber unitized actuator, that can be disassembled from the body as a separate integral unit. the valves hydrodynamic body is designed for unobstructed flow path and provides excellent and highly effective modulation...

https://www.bermad.com/wp-content/uploads/WW_757-66-U-SIGMA_Product-Page_English_11-2017_smart.pdf

upstream pressure or reservoir level and protects the valve from cavitation damage. the valve shuts off at a pre-set reservoir high level and fully opens in response to an approximately one meter ( ft) level drop, as sensed by the -way altitude pilot mounted on the main valve. bermad sigma en/es series valves

are hydraulic, oblique pattern, globe valves with a raised seat assembly and double chamber unitized actuator, that can be disassembled from the body as a separate integral unit. the valves hydrodynamic body is designed for unobstructed flow path and provides excellent and highly effective modulation...

https://www.bermad.com/wp-content/uploads/WW_757-80-U-SIGMA_Product-Page_English_11-2017_smart.pdf