产品结构特点 Construction features 锻钢法兰端闸阀有三种阀盖设计形式。种是螺栓式阀盖，按这种设计的阀门，其阀体与阀盖用螺栓螺母连接，缠绕式垫片（316夹柔性石墨制造）。客户有特殊要求时也可采用金属环连接。 There are three types of bonnet design for forged flange end valves. The first type is bolted bonnet, which is designed to connect the valve body to the bonnet with bolt nuts and coil gasket (316 clip flexible graphite). Metal ring connections may also be used when customers have special requests. 适用介质：水、气、油品、天然气和酸碱腐蚀性介质 适用温度：-196~425℃ 驱动方式：手动、气动、电动等 公称压力：1.6~16.0MPa 公称通径：DN15~50mm Applicable media: water, gas, oil, gas and acid and alkali corrosive medium Applicable temperature: -196~425℃ Driver: manual, pneumatic, electric, etc Nominal pressure: 1.6~16.0MPa Nominal size: DN15~50mm 试验压力 Test prssure 闸阀结构长度和外接尺寸 Main connection dimensions
产品特征 Spericfications
技术规范 Technical specification设计依据 Design reference GB系列 GB series 设计标准 Design standard GB/T12234 结构长度 Face to face GB/T12221 连接法兰 End flange GB/T9113 HG20592 试验和检验 Test & inspection GB/T26480 压力等级
Pressure grade试验压力 Test pressure 公称压力 PN
Nominal pressure壳体试验
Sheil test正密封试验
Sealing test反密封试验
Sealing test气密封试验
Air seal test1.6 2.4 1.76 1.76 0.6 2.5 3.75 2.75 2.75 0.6 4.0 6.0 4.4 4.4 0.6 6.3 9.45 6.93 6.93 0.6 10.0 15.0 11.0 11.0 0.6 16.0 24.0 17.6 17.6 0.6 26.0 39.0 28.5 28.5 0.6 PN:1.6~4.0 PN:6.4~10.0 公称通径
DNL
(mm)H
(mm)D0
(mm)L
(mm)H
(mm)D0
(mm)15 130 180 100 170 180 100 20 150 185 100 190 185 100 25 160 215 125 210 215 125 32 180 225 160 230 225 160 40 200 245 160 240 245 160 50 250 285 180 250 285 180 PN:16.0 PN:26.0 公称通径
DNL
(mm)H
(mm)D0
(mm)L
(mm)H
(mm)D0
(mm)15 170 195 125 216 195 125 20 190 195 125 229 195 125 25 210 220 160 254 220 160 32 230 245 160 279 245 160 40 260 280 180 305 280 180 50 300 305 200 368 305 200
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