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序号标准编号标准名称备注1EJ/T2—75衬垫管接头内容简单、技术陈旧,已有相关国家标准可代替。2EJ/T3—75衬垫管接头体3EJ/T4—75内接头4EJ/T5—75管接头衬垫5EJ/T6—75管接头螺母6EJ/T7—75衬垫双面管接头7EJ/T8—75衬垫双面管接头体8EJ/T9—75备用衬垫双面管接头9EJ/T10—75
Serial No. Standard No. Standard Name Remarks 1EJ / T2-75 liner pipe fittings simple, outdated technology, the relevant national standards have been replaced. 2EJ / T3-75 Gasket fitting 3EJ / T4-75 Inner fitting 4EJ / T5-75 Union fitting 5EJ / T6-75 Union fitting nut 6EJ / T7-75 Gasket Double-sided fitting 7EJ / T8-75 Gasket Double-Sided Coupling Body 8EJ / T9-75 Spare Bushing Double-Sided Coupling 9EJ / T10-75