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Fire Safe Valve Requirements10/25/2021
They take into account such matters as: how a fire begins and progresses in a particular service, what the particular process fluid is, what the temperature is during the critical part of the fire, how tight the valve should seal and what the post-fire The test pressure during the burn is set at 0,2 MPa (2 bar) for soft-seated valves rated PN 10, PN 16, PN 25 and PN 40, Class 150 and Class 300, to better simulate the conditions that would be expected in a process plant when a fire is detected and pumps are shut down.From its web site at These regulations are for theConvenience of the user and no representation or warranty is made that the informationIs current or accurate. These tests vary in methodology and intensity. SITING OF PETROLEUM SERVICE STATION 1.1 Any site chosen should be sufficiently spacious for it to be designed to minimise the risks of any unauthorized person This information is provided free of charge by the Department of Industrial RelationsValves to be qualified as 'fire-safe' must be subjected to rigorous tests. FIRE SAFETY REQUIREMENTS FOR PETROLEUM SERVICE STATION Appendix to Clause 1.1.8 1. Where the Net Positive Suction Head (NPSH) available at site is less than 0.5 m in excess of the actual. 6.8 Each fire service pump shall be provided with an independent suction pipe without any sluice or cut-off valves therein, unless the pump is situated below the level of the water supply in which case sluice or cut-off valves is essential.
![]() ![]() Fire Safe Valve Requirements Portable Steam BoilerGage.(b)(NI) Every portable steam boiler shall be equipped with liquid level gages of the reflex type.6Reprint of General Industry Safety Order, Section 3514, Tubular Gage Guard (Register 72, No. 23).(a) Tubular water gages on portable steam boilers shall be protected with a substantial guard affording protection at least equivalent to that obtained by an enclosure of one-half (1/2) inch wire mesh of No. 23).(a) The discharge opening from traps, drains, and blowoffs shall be located so as not to endanger the safety of employees.5Reprint of General Industry Safety Order, Section 3310(a), Discharge Location (Register 72, No. When lines are effectively blinded the valves need not be locked or sealed.(b) Employees shall not enter or be required to enter the fire boxes, flues or combustion chambers of fired apparatus until:(1) The pilot light, fuel and steam lines to burners entering the fire box or combustion chamber have been blinded, disconnected or effectively closed by the use of two block valves with an open bleeder between them.(2) All probability of ignition of any solid combustibles in the fire box or combustion chamber has been removed.4Reprint of General Industry Safety Order, Section 3312, Entering Combustion Chambers, Flues, Boilers or Unfired Steam Pressure Vessels, of the California Administrative Code, Title 8, Subchapter 7 (Register 72, No. Blow down valves and other valves on lines through which harmful material might accidentally flow back to the boiler or vessel shall be either sealed or closed and locked and the key retained by the employee or his supervisor while the employee is in the boiler or vessel. 4 Entering Combustion Chambers, Flues, Boilers or Unfired Steam Pressure Vessels.(a) Before employees are allowed to enter, through a manhole, the shell or drum of a steam boiler or an unfired steam pressure vessel for maintenance or repair, where such a boiler or pressure vessel is one of a battery of two or more boilers or vessels or is connected to another source of steam, the valves connecting to the steam header or other source of steam shall be closed and effectively blinded or two valves shall be installed with a bleeder between them and the valves shall be closed and bleeder open.
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