| G41J Rubber-line Diaphragm Valve Specifications | |
| Nominal pressure: | 0.6/1.0/1.6 Mpa |
| Strength test: | 0.8/1.5/2.4Mpa |
| Seal test: | 0.7/1.1/1.8Mpa |
| Gas seal test: | 0.6MP |
| Valve body material: | WCB(C) / CF8 (P) / CF3 (PL) / CF8M (R) / CF3M (RL) |
| Suitable medium： | water / steam / oil products / nitric acid / acetic acid |
| Suitable temperature: | -40℃～+150℃ |
| NO. | Part name | Material |
| 1 | Body | cast iron/WCB/304/306 |
| 2 | Seals | Expanded Graphite |
| 3 | Bonnet | cast iron/WCB/304/306 |
| 4 | Disc | cast iron/WCB/304/306 |
| 5 | Gland | WCB/304/306 |
| 6 | Stem | cast iron/WCB/304/306 |
| 7 | Handle | cast iron |
| G41J Rubber-line Diaphragm Valve Main Dimensions And Connection Dimensions | |||||||||||||
| nominal diameter | standard value | reference value | |||||||||||
| DN（mm） | NPS（inch） | L | D | D1 | D2 | f | b | z-φd | d0 | H | H1 | W(kg) | |
| 0.6MPa/1.0MPa | |||||||||||||
| 15.0 | 1/2 | 125 | 95 | 65 | 45 | 2 | 14 | 4-14 | 100 | 105 | 110 | 3.5 | |
| 20.0 | 3/4 | 135 | 105 | 75 | 55 | 2 | 16 | 4-14 | 100 | 115 | 125 | 4 | |
| 25.0 | 1.0 | 145 | 115 | 85 | 65 | 2 | 16 | 4-14 | 120 | 120 | 135 | 5.5 | |
| 32.0 | 11/4 | 160 | 135 | 100 | 78 | 2 | 18 | 4-18 | 120 | 125 | 150 | 8 | |
| 40.0 | 11/2 | 180 | 145 | 110 | 85 | 3 | 18 | 4-18 | 140 | 135 | 175 | 11 | |
| 50.0 | 2.0 | 210 | 160 | 125 | 100 | 3 | 20 | 4-18 | 140 | 155 | 195 | 14 | |
| 65.0 | 21/2 | 250 | 180 | 145 | 120 | 3 | 20 | 4-18 | 200 | 170 | 200 | 23 | |
| 80.0 | 3.0 | 300 | 195 | 160 | 135 | 3 | 22 | 4-18 | 200 | 200 | 255 | 29 | |
| 100.0 | 4.0 | 350 | 215 | 180 | 155 | 3 | 22 | 8-18 | 280 | 70 | 325 | 46 | |
| 125.0 | 5.0 | 400 | 245 | 210 | 185 | 3 | 24 | 8-18 | 320 | 335 | 405 | 70 | |
| 150.0 | 6.0 | 460 | 280 | 240 | 210 | 3 | 24 | 8-23 | 320 | 370 | 450 | 95 | |
| 200.0 | 8.0 | 570 | 335 | 295 | 265 | 3 | 26 | 8-23 | 400 | 480 | 600 | 170 | |
| 250.0 | 10.0 | 680 | 390 | 350 | 320 | 3 | 28 | 12-23 | 500 | 545 | 620 | 270 | |
| 300.0 | 12.0 | 790 | 435 | 395 | 362 | 4 | 34 | 12-23 | 500 | 585 | 680 | 320 | |
| 1.6MPa | |||||||||||||
| 15.0 | 1/2 | 130 | 95 | 65 | 45 | 2 | 14 | ’4-14 | 120 | 110 | 115 | 4 | |
| 20.0 | 3/4 | 150 | 105 | 75 | 55 | 2 | 16 | ’4-14 | 120 | 120 | 130 | 5 | |
| 25.0 | 1.0 | 160 | 115 | 85 | 65 | 2 | 16 | ’4-14 | 140 | 125 | 140 | 6 | |
| 32.0 | 11/4 | 180 | 135 | 100 | 78 | 3 | 18 | ’4-18 | 140 | 130 | 155 | 9 | |
| 40.0 | 11/2 | 200 | 145 | 110 | 85 | 3 | 18 | ’4-18 | 160 | 140 | 180 | 12 | |
| 50.0 | 2.0 | 230 | 160 | 125 | 110 | 3 | 20 | ’4-18 | 160 | 160 | 200 | 15 | |
| 65.0 | 21/2 | 290 | 180.0 | 145.0 | 120.0 | 3 | 20 | ’4-18 | 200 | 175 | 205 | 24 | |
| 80.0 | 3.0 | 310 | 195 | 160 | 135 | 3 | 22 | ’8-18 | 200 | 205 | 260 | 30 | |
| 100.0 | 4.0 | 350 | 215 | 180 | 155 | 3 | 24 | ’8-18 | 280 | 275 | 330 | 48 | |
| 125.0 | 5.0 | 400 | 245 | 210 | 185 | 3 | 26 | ’8-18 | 320 | 340 | 410 | 75 | |
| 150.0 | 6.0 | 480 | 280 | 240 | 210 | 3 | 28 | ’8-23 | 320 | 375 | 460 | 105 | |
| 200.0 | 8.0 | 600 | 335 | 295 | 265 | 3 | 30 | ’12-23 | 400 | 485 | 605 | 182 | |
| 250.0 | 10.0 | 730 | 405 | 335 | 320 | 3 | 32 | ’12-25 | 500 | 550 | 625 | 295 | |
| 300.0 | 12.0 | 850 | 460 | 410 | 375 | 4 | 34 | ’12-25 | 500 | 590 | 685 | 345 | |
