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LNG shutoff valve near ambient vaporizers

Question asked by orlando.vargas on Jul 24, 2016

On section 8.4.4 of NFPA 59A it is stated that a shutoff valve on the LNG line to a vaporizer shall be at least 50 ft. from the vaporizer. Two questions: 1) Does this apply to any vaporizer (ambient or heated)? 2) What alternatives exist to correct situation if location of valve is less than 50 ft.? Thank you for your help.