This standard specifies the classification, specifications and dimensions, product marking, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements of rubber diaphragms for pressure regulators for urban gas (excluding household liquefied petroleum gas). This standard applies to diaphragms made of rubber materials for urban gas pressure regulators reinforced with fabric or knitted fabric.
HG/T 2807-1996 history
1996HG/T 2807-1996 Rubber diaphragm for town gas pressure regulator