工作压力：150 PSI
最低开启压力：5 PSI
依流向箭头指示水平或垂直安装
球体逆止设计，密闭性佳
| 品号 | 尺寸 | 规格 | 材质 | 垫座 | "O"环 | 接口 |
| VP-440 | 1/2"~2" | ANSI, JIS, DIN | UPVC | EPDM, FPM, NBR | EPDM, FPM | Socket,Threaded |
| VP-441 | 1/2"~2" | ANSI, JIS, DIN | CPVC | EPDM, FPM, NBR | EPDM, FPM | Socket,Threaded |
| VP-443 | 1/2"~2" | ANSI, JIS, DIN | PVDF | EPDM, FPM, NBR | EPDM, FPM | Socket,Threaded |
| VP-444 | 1/2"~2" | ANSI, JIS, DIN | PP | EPDM, FPM, NBR | EPDM, FPM | Socket,Threaded |
| NO. | PART | MATERIAL | Q'TY |
| 1 | 本体(BODY) | UPVC,CPVC,PP,PVDF | 1 |
| 2 | 螺帽(UNION NUT) | UPVC,CPVC,PP,PVDF | 2 |
| 3 | 特普(END CONNECTOR) | UPVC,CPVC,PP,PVDF | 2 |
| 4 | 球(BALL) | UPVC,CPVC,PP,PVDF | 1 |
| 5 | 卡环(GLAND) | UPVC,CPVC,PP,PVDF | 1 |
| 6 | 止逆座(SEAL) | EPDM,FPM,NBR | 1 |
| 7 | O环(O-RING) | EPDM,FPM | 1 |
| SIZE | 1/2" | 3/4" | 1" | 1-1/4" | 1-1/2" | 2" | |
| NOM. | (15mm) | (20mm) | (25mm) | (32mm) | (40mm) | (50mm) | |
| JIS | Ød1 | 22.3 | 26.3 | 32.33 | 38.6 | 48.46 | 60.56 |
| Ød2 | 21.7 | 25.7 | 31.67 | 37.67 | 47.54 | 59.44 | |
| I | 22.2 | 25.4 | 28.6 | 31.75 | 34.9 | 38.1 | |
| ANSI | Ød1 | 21.45 | 26.87 | 33.65 | 42.42 | 48.56 | 60.63 |
| Ød2 | 21.23 | 26.57 | 33.27 | 42.04 | 48.11 | 60.17 | |
| I | 22.22 | 25.4 | 28.58 | 31.75 | 34.93 | 38.1 | |
| DIN | Ød1 | 20.3 | 25.3 | 32.3 | 40.3 | 50.3 | 63.3 |
| Ød2 | 20.1 | 25.1 | 32.1 | 40.1 | 50.1 | 63.1 | |
| I | 16 | 19 | 22 | 26 | 31 | 38 | |
| thd./in | NPT | 14 | 14 | 11.5 | 11.5 | 11.5 | 11.5 |
| BSPT | 14 | 14 | 11 | 11 | 11 | 11 | |
| ØD | 50 | 62 | 72 | 97 | 97 | 107 | |
| Ød | 13.3 | 20 | 25 | 25 | 40 | 50 | |
| H | 95 | 110 | 120.1 | 156.5 | 156.5 | 183 | |
