Design and Manufacturing: GB/T 12239
Structural length: GB/T 12221, HG/T 3704
Flange standard: HG/T 20592
Nominal pressure: PN6, PN10, PN16, Class150
Connection method: flange type
Pressure test: GB/T 13927
Operation mode: Handwheel, Umbrella Gear, Pneumatic, Electric
Index>Products>Fluoroplastic-Lined Valve Series>G41 Diaphragm Valve
| Follow the standards | |
| Design and Manufacturing: | GB/T 12239 |
| Structural length: | GB/T 12221，HG/T 3704 |
| Flange standard: | HG/T 20592 |
| Nominal Pressure | PN6，PN10，PN16，Class150 |
| Connection method: | flanged |
| Pressure test: | GB/T 13927 |
| Operation method: | Handwheel, umbrella gear, pneumatic, electric |
| Basic model (fully lined) | Nominal pressure PN0.6-1.6 (MPa) nominal diameter DN15-300 (mm) | |
| manual | pneumatic | electric |
| G41F4 (weir type) | G641F4 (reciprocating) | G941F4 (regular type) |
| G41F46 (Weir type) | G641F46 (reciprocating) | G941F46 (regular type) |
| G45F4 (DC type) | G6B41F4 (normally closed) | G9B41F4 (explosion-proof type) |
| G45F46 (DC type) | G6B41F46 (normally closed) | G9B41F46 (explosion-proof type) |
| Main component material list | ||||||
| serial number | Part Name | carbon steel | stainless steel | Ultra low carbon stainless steel | ||
| C | P | R | PL | RL | ||
| 1 | valve body | WCB | CF8 | CF8M | CF3 | CF3M |
| 2 | valve cover | WCB | CF8 | CF8M | CF3 | CF3M |
| 3 | valve disc | WCB | CF8 | CF8M | CF3 | CF3M |
| 4 | valve stem | 2Cr13 | 304 | 316 | 304 | 316L |
| 5 | Lining layer | FEP(F46)/PTFE(F4)/PFA | ||||
| 6 | diaphragm | FEP/PFA | ||||
| 7 | bolt | 25# | 304 | 316 | 304 | 316 |
| 8 | nut | 25# | 304 | 316 | 304 | 316 |
| 9 | handwheel | QT450 | ||||
| Main connection dimensions and weight | |||||||
| Nominal diameter DN (mm) | standard value | ||||||
| L | D | D1 | D2 | f | Z-Φd | Kg | |
| PN1.0MPa | |||||||
| 15 | 125 | 95 | 65 | 45 | 3 | 4-Φ14 | 3.5 |
| 20 | 135 | 105 | 75 | 55 | 3 | 4-Φ14 | 4 |
| 25 | 145 | 115 | 85 | 65 | 3 | 4-Φ14 | 5 |
| 32 | 160 | 140 | 100 | 78 | 3 | 4-Φ18 | 7 |
| 40 | 180 | 150 | 110 | 85 | 3 | 4-Φ18 | 10 |
| 50 | 210 | 165 | 125 | 100 | 3 | 4-Φ18 | 13 |
| 65 | 250 | 185 | 145 | 120 | 3 | 8-Φ18 | 20 |
| 80 | 300 | 200 | 160 | 135 | 3 | 8-Φ18 | 26 |
| 100 | 350 | 220 | 180 | 155 | 3.5 | 8-Φ18 | 37 |
| 125 | 400 | 250 | 210 | 185 | 3.5 | 8-Φ18 | 55 |
| 150 | 460 | 285 | 240 | 210 | 3.5 | 8-Φ22 | 80 |
| 200 | 570 | 340 | 295 | 265 | 4 | 8-Φ22 | 143 |
| 250 | 680 | 395 | 350 | 320 | 4 | 12-Φ22 | 255 |
| 300 | 790 | 445 | 400 | 368 | 4 | 12-Φ22 | 380 |
| PN1.6MPa | |||||||
| 15 | 125 | 95 | 65 | 45 | 3 | 4-Φ14 | 3.5 |
| 20 | 135 | 105 | 75 | 55 | 3 | 4-Φ14 | 4 |
| 25 | 145 | 115 | 85 | 65 | 3 | 4-Φ14 | 5 |
| 32 | 160 | 140 | 100 | 78 | 3 | 4-Φ18 | 7 |
| 40 | 180 | 150 | 110 | 85 | 3 | 4-Φ18 | 10 |
| 50 | 210 | 165 | 125 | 100 | 3 | 4-Φ18 | 13 |
| 65 | 250 | 185 | 145 | 120 | 3 | 8-Φ18 | 20 |
| 80 | 300 | 200 | 160 | 135 | 3 | 8-Φ18 | 26 |
| 100 | 350 | 220 | 180 | 155 | 3.5 | 8-Φ18 | 37 |
| 125 | 400 | 250 | 210 | 185 | 3.5 | 8-Φ18 | 55 |
| 150 | 460 | 285 | 240 | 210 | 3.5 | 8-Φ22 | 80 |
| 200 | 570 | 340 | 295 | 265 | 4 | 12-Φ22 | 143 |
| 250 | 680 | 405 | 355 | 320 | 4 | 12-Φ26 | 255 |
| 300 | 790 | 460 | 410 | 375 | 4 | 12-Φ26 | 380 |
Zhejiang Lierdao Valve Co., Ltd
Hotline 0577-86860737
Address:
No. 903, Jinhai 3rd Road, Longwan Airport New Area, Wenzhou, Zhejiang, China
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