设计、制造标准设计标准:GB/T12238-1989法兰连接尺寸:GB/T9113.1-2000； GB/T9115.1-2000; JB78结构长度:GB/12221-1989压力试验：GB/T13927-1992; JB/T9092-1999参数资料编辑主要技术参数公称通径DN(mm)50~2000公称压力PN(MPa)0.61.01.6试验压力Ps(MPa)强度试验0.91.52.4密封试验0.661.11.76　　气密封试验0.60.60.6　　适用介质空气、水、污水、蒸气、煤气、油品等。驱动形式手动、蜗杆蜗轮传动、气传动、电传动。主要零件的材质零件名称材料阀体各种橡胶、聚四氟蝶板灰铸铁、球墨铸钢、铸钢、不锈钢及特殊材料密封圈球墨铸钢、铸钢、合金钢、不锈钢阀杆2Cr13、不锈钢填料O型圈、柔性石墨主要连接及外形尺寸公称通径结构长度外形尺寸（参考值）连接尺寸（标准值）参考重量0.6MPa　　　　　　　　　　　　　　　　mminchLHH0ABDD1D2n-d　　50210863306180200140110884-14136521/2112703211802001601301084-1414803114833461802001901501244-1815.510041271053871802002101701444-1819.512551401154111802002402001748-1825.515061401374472702802652251998-1828.520081521645722702803202802548-18482501025020664627028037533530912-18693001227023073838042044039536312-22913501429024876138042049044541312-221104001631028987745047054049546316-221404501833032093848049059555051816-221805002035034399348049064560056820-2221560024390413113148049075570566720-2629070028430478147664066086081077224-2656080032470525153364066097592087824-309109003651058516557508601075102097824-301500100040550640176585090011751120107828-301750120048630755199585090014051340129232-3321801400567109102310100092516301560151036-36240016006479010302595100092518301760171040-36287018007287011402810110098020451970191844-39338020008095012503100110098022652180218048-424010