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WDESOVI Emergency Shut Off Valve/Mechanical dispensing
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2015 MSFC Training LP Gas Dispensing Code and
distances, general requirements, emergency shut off systems and breakaway devices, hose requirements and location when dispensing near Class I liquids are found in Section and Table 6.5.3 of NFPA 58 and MSFC Section 2307. 3.3 Dispenser Protection Dispenser assemblies shall be protected from impact damage per the requirements in MSFC
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Single poppet emergency shut off valves are installed on fuel supply lines under dispensers to minimize collision and fire hazards at the dispenser. Often referred to as the "impact valve," it is designed to shut off the flow of product in the event of a dispenser impact or a fire involving the dispenser.
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3.9.3.9 A listed quick acting shutoff valve shall be installed at the discharge end of the transfer hose. An identified and accessible switch or circuit breaker shall be installed at a location not less than 20ft or more than 100ft from the dispensing device (s) to shut off the power in the event of a fire, accident, or other emergency.
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A system using Emergency Shut Off Valves will not prevent some spillage of liquid and vapor, but the total system should be constructed so this spillage will be kept to a minimum. Section 2 4.5.4 Emergency shutoff valves shall be approved and incorporate all the following means of closing: (a) Automatic shutoff through thermal (fire) actuation.
gas pump kill switch Electrician Talk Professional
the gas pumps will shut off plus storage tank transfer pump will go off same time as the em switch or button been hit ., that I do know but anything else it kinda up to the fire marshal or inspector. The emergency shutoff shall be located in a position to allow all dispensing devices to be readily visible to the attendant, or as approved
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CHAPTER 3 COMPONENTS OF THE RETAIL MOTOR FUEL
• mechanical and electronic systems. AUTOMATIC CHECK VALVE In a fuel dispensing system, a check valve perm its liquid fuel to flow toward the delivery nozzle, but never back toward the storage tank. A check valve is located between the stor age tank and the dispenser (as shown • an emergency shut off valve, located in each dispenser