The stem of the extended stem butterfly valve can be customized in length according to the requirements of the working conditions, with simple structure and convenient installation.
The extended stem butterfly valve use in underground pipelines or where valves are not easily accessible. It is suitable for ship base, chemical industry, petrochemical and other industries.
1. The valve seat of the extended stem butterfly valve can be replaced, and the sealing performance is zero leakage.
2. The operating torque is small, the operation is convenient, labor-saving and dexterous.
3. It can be installed at any position and is easy to maintain.
4. As long as the sealing material of the sealing valve seat is replaced, it can be used in different media.
5. The valve body is coated with epoxy powder, which can effectively prevent corrosion.
| Size | L | A | B | S | H | ISO5211 | PN10 | PN16 | 150LB | JIS5K | JIS10K | |||||||||
| mm | in | Top flange | φE | φF | n-φd1 | φD1 | N-φd | φD1 | N-φd | φD1 | N-φd | φD1 | N-φd | φD1 | N-φd | |||||
| 50 | 2 | 42 | 131.5 | 71.6 | 9 | 25 | F05 | 65 | 50 | 4-8 | 125 | 4-19 | 125 | 4-19 | 120.5 | 4-18 | 105 | 4-15 | 120 | 4-19 |
| 65 | 2.5 | 44.7 | 138 | 82 | 9 | 25 | F05 | 65 | 50 | 4-8 | 145 | 4-19 | 145 | 4-19 | 139.5 | 4-18 | 130 | 4-15 | 140 | 4-19 |
| 80 | 3 | 45.2 | 152.8 | 94.5 | 9 | 25 | F05 | 65 | 50 | 4-8 | 160 | 8-19 | 160 | 8-19 | 152.5 | 4-18 | 145 | 4-19 | 150 | 8-19 |
| 100 | 4 | 52.1 | 167.5 | 107 | 11 | 28 | F07 | 90 | 70 | 4-10 | 180 | 8-19 | 180 | 8-19 | 190.5 | 8-18 | 165 | 8-19 | 175 | 8-19 |
| 125 | 5 | 54.4 | 182.5 | 124.5 | 14 | 28 | F07 | 90 | 70 | 4-10 | 210 | 8-19 | 210 | 8-19 | 216 | 8-22 | 200 | 8-19 | 210 | 8-23 |
| 150 | 6 | 55.8 | 195 | 136.5 | 14 | 28 | F07 | 90 | 70 | 4-10 | 240 | 8-23 | 240 | 8-23 | 241.5 | 8-22 | 230 | 8-19 | 240 | 8-23 |
| 200 | 8 | 60.6 | 235 | 169 | 17 | 35 | F10 | 125 | 102 | 4-12 | 295 | 8-23 | 295 | 12-23 | 298.5 | 8-22 | 280 | 8-23 | 290 | 12-23 |
| 250 | 10 | 65.6 | 267 | 207 | 22 | 40 | F10 | 125 | 102 | 4-12 | 350 | 12-23 | 355 | 12-28 | 362 | 12-26 | 345 | 12-23 | 355 | 12-25 |
| 300 | 12 | 76.5 | 305 | 236 | 22 | 40 | F10 | 125 | 102 | 4-12 | 400 | 12-23 | 410 | 12-28 | 432 | 12-26 | 390 | 12-23 | 400 | 16-25 |
1.Design and manufacture according to API609.
2. Face to face according to API609.
3. End flange according to ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16.
4. Pressure test according to API598.
5.Top flange: ISO5211.
