标准号:IS 4785-1968
发布日期:1968/11/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard specifies materials, construction, performance and testing requirements for low pressure single stage or two stage regulators for propane in the vapour phase up to 50 gf/cm2 outlet pressure.Note — Common practice is to use 35 gf/cm2 outlet pressure.