This valve is specially used to control corrosive or strongly corrosive media. The inner cavity surface of the valve is not lined or covered with various fluoroplastics, suitable for different working temperatures and fluid pipelines. Applicable temperature: ≤85°C, ≤100°C, ≤120°C, ≤150°C (according to lining and diaphragm material)
Main material
NO. | Name | Material |
1 | Body | WCB/304 |
2 | Bonnel | WCB |
3 | Diaphragm | EPDM/F46 |
4 | Disc | WCB/304 |
5 | Cylinder | Aluminum alloy |
6 | Pislon | Aluminum alloy |
7 | Stem | Stainless steel304/45# |
8 | Way of connection | Flange |
Shape controltable
DN | Nominal pressure(Mpa) | L | D | D1 | n-φd | 1 | H | Air pressure | KG | φA | φA |
15 | 1.0 | 125 | 95 | 65 | 4—14 | 2 | 215 | 0.6 | 5 | 110 | 110 |
20 | 139 | 105 | 75 | 4—14 | 2 | 220 | 0.6 | 5.2 | 110 | 110 | |
25 | 145 | 115 | 85 | 4—14 | 2 | 225 | 0.6 | 5.4 | 110 | 110 | |
32 | 160 | 140 | 100 | 4—18 | 2 | 240 | 0.6 | 6.9 | 140 | 140 | |
40 | 180 | 150 | 110 | 4—18 | 3 | 285 | 0.6 | 13.5 | 170 | 170 | |
50 | 210 | 165 | 125 | 4—18 | 3 | 307 | 0.6 | 16 | 170 | 170 | |
65 | 250 | 185 | 145 | 4—18 | 3 | 327 | 0.6 | 22 | 200 | 200 | |
80 | 300 | 200 | 160 | 8—18 | 3 | 390 | 0.6 | 31 | 230 | 230 | |
100 | 350 | 220 | 180 | 8—18 | 3 | 470 | 0.6 | 50 | 260 | 260 | |
125 | 400 | 250 | 210 | 8—18 | 3 | 637 | 0.6 | 65 | 310 | 310 |