品牌
生产厂家厂商性质
上海市所在地
J45型直流式衬胶截止阀、具有结构紧凑、启闭灵活、耐腐蚀性能强，行程短（一般为公称通经1/4）等优点。被广泛应用在石油、化工等管路系统中做截断介质用，但塑料衬里的截止阀严禁用做流量调节，以免节流口处产生的高速介质流冲蚀破坏密封面。
要零部件材料表
| 序号 | 零件名称 | 灰铸铁 | 铸钢 | 不锈耐酸铸钢 | 超低碳不锈耐酸铸钢 | ||
| Z | C | P | R | PL | RL | ||
| 1 | 阀体/阀盖 | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
| 2 | 球体/阀杆 | 25 | 2Cr13 | 1Cr18Ni9 | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 |
| 3 | 衬里/阀座 | PCTEF（F3）,FEP（F46）,PFA（可溶F4）,PP,PO | |||||
| 4 | 填料压盖 | WCB | CF8 | CF8M | CF3 | CF3M | |
| 5 | 填料 | PTFE（F4） | PTFE（F4） | PTFE（F4） | |||
| 6 | 活节螺栓 | 35 | 1Cr17Ni2 | 1Cr17Ni2 | |||
| 7 | 阀杆螺母 | ZCuAl10Fe3 | ZCuAl10Fe3 | ZCuAl10Fe3 | |||
| 8 | 紧固螺栓 | 35 | 1Cr17Ni2 | 1Cr18Ni9Ti | |||
| 9 | 螺母 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | |||
| 10 | 手柄 | WCB | WCB | WCB | |||
| 主要外形和连接尺寸 |
| 公称通经 | L | D | D1 | D2 | f | b | Z-φd | |
| DN（mm） | NPS（inch） | PN1.0MPa | ||||||
| 15 | 1/2 | 130 | 95 | 65 | 45 | 2 | 14 | 4-φ14 |
| 20 | 3/4 | 150 | 105 | 75 | 55 | 2 | 16 | 4-φ14 |
| 25 | 1 | 160 | 115 | 85 | 65 | 2 | 16 | 4-φ14 |
| 32 | 11/4 | 180 | 135 | 100 | 78 | 2 | 18 | 4-φ18 |
| 40 | 11/2 | 200 | 145 | 110 | 85 | 3 | 18 | 4-φ18 |
| 50 | 2 | 230 | 160 | 125 | 100 | 3 | 20 | 4-φ18 |
| 65 | 21/2 | 290 | 180 | 145 | 120 | 3 | 20 | 4-φ18 |
| 80 | 3 | 310 | 195 | 160 | 135 | 3 | 22 | 4-φ18 |
| 100 | 4 | 350 | 215 | 180 | 155 | 3 | 22 | 8-φ18 |
| 125 | 5 | 400 | 245 | 210 | 185 | 3 | 24 | 8-φ18 |
| 150 | 6 | 480 | 280 | 240 | 210 | 3 | 24 | 8-φ23 |
| 200 | 8 | 495 | 335 | 295 | 265 | 3 | 26 | 8-φ23 |
| 250 | 10 | 622 | 390 | 350 | 320 | 3 | 28 | 12-φ23 |
| 300 | 12 | 698 | 440 | 400 | 368 | 4 | 28 | 12-φ23 |
| 350 | 14 | 787 | 500 | 460 | 428 | 4 | 30 | 16-φ23 |
| PN1.6MPa | ||||||||
| 15 | 1/2 | 130 | 95 | 65 | 45 | 2 | 14 | 4-φ14 |
| 20 | 3/4 | 150 | 105 | 75 | 55 | 2 | 16 | 4-φ14 |
| 25 | 1 | 160 | 115 | 85 | 65 | 2 | 16 | 4-φ14 |
| 32 | 11/4 | 180 | 135 | 100 | 78 | 2 | 18 | 4-φ18 |
| 40 | 11/2 | 200 | 145 | 110 | 85 | 3 | 18 | 4-φ18 |
| 50 | 2 | 230 | 160 | 125 | 100 | 3 | 20 | 4-φ18 |
| 65 | 21/2 | 290 | 180 | 145 | 120 | 3 | 20 | 4-φ18 |
| 80 | 3 | 310 | 195 | 160 | 135 | 3 | 22 | 8-φ18 |
| 100 | 4 | 350 | 215 | 180 | 155 | 3 | 24 | 8-φ18 |
| 125 | 5 | 400 | 245 | 210 | 185 | 3 | 26 | 8-φ18 |
| 150 | 6 | 480 | 280 | 240 | 210 | 3 | 28 | 8-φ23 |
| 200 | 8 | 495 | 335 | 295 | 265 | 3 | 30 | 12-φ23 |
| 250 | 10 | 622 | 405 | 355 | 320 | 3 | 32 | 12-φ25 |
| 300 | 12 | 698 | 460 | 410 | 375 | 4 | 34 | 12-φ25 |
| PN2.5MPa | ||||||||
| 15 | 1/2 | 130 | 95 | 65 | 45 | 2 | 16 | 4-φ14 |
| 20 | 3/4 | 150 | 105 | 75 | 55 | 2 | 16 | 4-φ14 |
| 25 | 1 | 160 | 115 | 85 | 65 | 2 | 16 | 4-φ14 |
| 32 | 11/4 | 180 | 135 | 100 | 78 | 2 | 18 | 4-φ18 |
| 40 | 11/2 | 200 | 145 | 110 | 85 | 3 | 18 | 4-φ18 |
| 50 | 2 | 230 | 160 | 125 | 100 | 3 | 20 | 4-φ18 |
| 65 | 21/2 | 290 | 180 | 145 | 120 | 3 | 22 | 8-φ18 |
| 80 | 3 | 310 | 195 | 160 | 135 | 3 | 22 | 8-φ18 |
| 100 | 4 | 350 | 230 | 190 | 160 | 3 | 24 | 8-φ23 |
| 125 | 5 | 400 | 270 | 220 | 188 | 3 | 28 | 8-φ25 |
| 150 | 6 | 480 | 300 | 250 | 218 | 3 | 30 | 8-φ25 |
