气动隔膜阀，英标衬氟隔膜阀，英标衬胶隔膜阀，衬胶隔膜阀，衬氟隔膜阀，隔膜阀
密封面或衬里材料为衬氟，可耐温120
EG641W/J/FS英标气动隔膜阀（往复式）技术规范 Technical specificastion
| 设计规范 | 结构长度 | 连接法兰 | 试验与检验 | 产品标识 | 供货规范 |
| Design spec | Face to face | Flange ends | Test and inspection | Marking | Supply |
| BS5156 | BS5156 | BS4504 | BS 13927 | BS 12220 | BS 7928 |
EG641W/J/FS英标气动隔膜阀（往复式）主要零部件材料 Main part material
| 序号 NO | 零件名称 Name of parts | 灰铸铁 | 铸钢 | 不锈耐酸铸钢 | 超低碳不锈耐酸铸钢 |
| Gray cast iron | Cast steel | Stainless acid resistant cast steel | Stainless acid resistant cast steel |
| Z | C | P | R | PL | RL |
| 1 | 阀体/阀盖 Body/bonnet | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
| 2 | 阀瓣/阀杆 Disc/Stem | HT250 | 1Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 |
| 3 | 衬里/阀座 Lining/Seat | 天然胶（Natural rubber）、丁基胶（Isobutylene-isoprene rubber）、PTFE（F4）、FEP（F46） |
| 4 | 隔膜 Diaphragm | 橡胶、氟塑料 Rubber, fluoro plastic |
| 5 | 气缸 Cylinder | 铝合金、碳钢 Aluminum alloy, carbon steel |
| 6 | 气动薄膜 Pneumatic | 橡胶 Rubber |
EG641W/J/FS英标气动隔膜阀（往复式）主要尺寸及重量 Main dimensions and weight 单位Unit: mm
| 公称压力 Nominal pressure | 工作压力 Working pressure | 通径 Diameter | L | D | D1 | N-φd | F | H1 | D0 | B | 代号 Code | 气源压力 Air pres- sure （MPa） | 气源接头 | 耗气量 | 重量 |
| Air joint （in | Air consum- | Weight |
| mm | inch | | ption（c | kg/kilo |
| 1.6 | 1.6 | 15 | 1/2 | 108 | 95 | 65 | | 2 | | | | | | | | |
| 20 | 3/4 | 117 | 105 | 75 | 4-13.5 | 2 | 136 | 140 | 168 | 54 | 0.3 | 1-8 | 163.87 | 5 |
| 25 | 1 | 127 | 115 | 85 | 4-13.5 | 2 | 144 | 140 | 168 | 54 | 0.3~0.4 | 1-8 | 196.65 | 6.2 |
| 32 | 11/4 | 146 | 140 | 100 | 4-17.5 | 2 | 209 | 140 | 260 | 55 | 0.3~0.4 | 1-8 | 229.4 | 7 |
| 40 | 11/2 | 159 | 150 | 110 | 4-17.5 | 2 | 227 | 140 | 260 | 55 | 0.3~0.4 | 1-4 | 1458.7 | 13 |
| 50 | 2 | 190 | 165 | 125 | 4-17.5 | 2 | 231 | 140 | 260 | 55 | 0.3~0.4 | 1-4 | 3162.7 | 23 |
| 1.0 | 1.0 | 65 | 21/2 | 216 | 185 | 145 | 8-17.5 | 2 | 252 | 140 | 260 | 55 | 0.3~0.4 | 1-4 | 3243 | 27 |
| 80 | 3 | 254 | 200 | 160 | 8-17.5 | 2 | 285 | 165 | 425 | 56 | 0.4~0.5 | 3-8 | 6636.8 | 56 |
| 100 | 4 | 305 | 220 | 180 | 8-17.5 | 2 | 360 | 280 | 425 | 57 | 0.4~0.5 | 3-8 | 6948 | 60 |
| 125 | 5 | 356 | 250 | 210 | 8-17.5 | 3 | 370 | 280 | 425 | 57 | 0.4~0.5 | 3-8 | 7374.2 | 68 |
| 150 | 6 | 406 | 285 | 240 | 8-22 | 3 | 462 | 280 | 549 | 58 | 0.5 | 3-8 | 10652 | 115 |
| 0.6 | 0.6 | 200 | 8 | 521 | 340 | 295 | 4-22 | 3 | 544 | 280 | 549 | 58 | 0.6 | 3-8 | 16715 | 196 |
| 250 | 10 | 635 | 395 | 35 | | 5 | | | | | | | | |
