【Ethylene Tank Farm Technology】What fire protection requirements must the emergency shut-off valves in an ethylene tank farm meet?
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What fire protection requirements must the emergency shut-off valves in the ethylene tank farm meet? The fire protection requirements for the emergency shut-off valves of ethylene spheres shall comply with the relevant provisions of GB50160; such valves shall be of the fire-safe type as specified in API607 or API6FA standards. Power cables and signal cables located in areas at risk of fire and used to drive and control emergency shut-off valves should be flame-retardant cables that meet the GB/T 19666 standard. The actuator of the emergency shut-off valve and its accessories shall have fire protection measures; preferably, a fire protection cover should be installed. Such a cover must comply with UL1709 standards and be capable of withstanding hydrocarbon fires for 30 minutes at 1093°C.
The emergency shut-off valves in the ethylene tank farm must comply with the provisions of GB50160, and fire-safe valves that meet API607 or API6FA standards should be used. The relevant cables should be fire-resistant cables that meet the standards of GB/T 19666. Furthermore, the actuator and accessories of the shut-off valve shall be equipped with fire protection covers that comply with UL1709 standards, capable of withstanding a hydrocarbon fire at 1093°C for 30 minutes. .