Medium temperature: ≤80 ℃
Medium: general corrosive medium
Caliber: DN20-400mm
Pressure: 1.0-1.6mpa
Body material: ductile iron, gray iron
Connection method: flange
| Material of main parts | ||
| Parts name | Material | |
| Body / bonnet | Gray iron, ductile iron / rubber lining | |
| cap | grey cast iron | |
| Disc | grey cast iron | |
| Valve stem | Carbon steel | |
| Performance Specification for Rubber-lined Diaphragm Valve | |||||||
| model | Nominal pressure (mpa) | Test pressure (mpa) | proper temperature | Applicable medium | |||
| Strength (water) | Sealed (water) | ||||||
| British standard rubber lined diaphragm valve | 1.00 | 1.50 | 1.10 | ≤80 ℃ | General corrosive medium | ||
| British standard rubber lined diaphragm valve | 1.60 | 2.40 | 1.76 | ≤80 ℃ | General corrosive medium | ||
| Outline and connecting measurement | |||||||||
| Nominal Diameter (mm) | L | D | D1 | Z-φ | f | H1 | H2 | D0 | Weight (kg) |
| 15 | 108 | 95 | 65 | 4-14 | 2 | 90 | 99 | 75 | 2.5 |
| 20 | 117 | 105 | 75 | 4-14 | 2 | 93 | 103 | 75 | 3 |
| 25 | 127 | 115 | 85 | 4-14 | 2 | 100 | 112 | 85 | 4 |
| 32 | 146 | 140 | 100 | 4-18 | 2 | 127 | 144 | 120 | 6.5 |
| 40 | 159 | 150 | 110 | 4-18 | 2 | 136 | 156 | 120 | 7.5 |
| 50 | 190 | 165 | 125 | 4-18 | 2 | 151 | 177 | 120 | 10 |
| 65 | 216 | 185 | 145 | 4-18 | 2 | 183 | 213 | 165 | 16 |
| 80 | 254 | 200 | 160 | 8-18 | 2 | 198 | 273 | 230 | 23.5 |
| 100 | 305 | 220 | 180 | 8-18 | 2 | 266 | 320 | 280 | 34 |
| 125 | 356 | 250 | 210 | 8-18 | 3 | 319 | 386 | 280 | 44 |
| 150 | 406 | 285 | 240 | 8-22 | 3 | 380 | 453 | 368 | 67.5 |
| 200 | 521 | 340 | 295 | 8-22 | 3 | 506 | 626 | 400 | 141.5 |
| 250 | 635 | 395 | 350 | 12-22 | 3 | 598 | 734 | 500 | 229 |
| 300 | 749 | 445 | 400 | 12-22 | 3 | 398 | 788 | 560 | 321 |
| 350 | 749 | 505 | 460 | 16-22 | 3 | 723 | 883 | 560 | 360 |
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