Features:
- The valve adopts a midline sealing structure design, with light torque and good sealing performance;
- The butterfly plate and valve stem are connected by a pinless design , and the connection reliability is good;
- The butterfly plate as a whole is vulcanized with rubber, which has good corrosion resistance;
- The connection between the valve and the pipeline adopts the form of clamp connection, which is convenient and fast to install;
- The driving mode of the valve is diversified, and it can be configured with handle operation, worm gear operation, electric and pneumatic operation.
Main performance specifications :
| Nominal diameter | DN50~DN200 | |
| Nominal pressure | 1.0/1.6MPa | |
| shell test pressure | 1.5/2.4MPa | |
| Seal test pressure | 1.1/1.76MPa | |
| Standard material | Valve body | QT450-10 |
| Disc | QT450-10 (overall rubber coating) | |
| Stem | 2Cr13 | |
| Inside and outside surface coating | Epoxy paint coating or lining with enamel | |
Main external dimensions:
| DN | L | H1 | H2 | H3 | H4 | A | B | D1 | D2 | D3 | D4 | L1 | L2 | Groove model |
| 50 | 85 | 45 | 90 | 130 | 125 | 16 | 19 | 57 | 53.9 | 50(F05) | 150 | 250 | 150 | X |
| 60.3 | 57.2 | Y | ||||||||||||
| 80 | 98 | 65 | 112 | 152 | 147 | 88.9 | 85 | 50(F05) | 150 | 250 | 150 | X | ||
| 100 | 116 | 79 | 121 | 161 | 156 | 9.5 | 108 | 103.7 | 70(F07) | 150 | 250 | 150 | X | |
| 114.3 | 110.1 | Y | ||||||||||||
| 125 | 149 | 93 | 148 | 188 | 183 | 133 | 129.1 | 70(F07) | 150 | 268 | 150 | X | ||
| 139.7 | 135.5 | Y | ||||||||||||
| 141.3 | 137 | Z | ||||||||||||
| 150 | 149 | 106 | 156 | 191 | 196 | 159 | 154.5 | 102(F010) | 220 | 268 | 190 | X | ||
| 165.1 | 160.8 | Y | ||||||||||||
| 168.3 | 164 | Z | ||||||||||||
| 200 | 134 | 137 | 205 | 254.5 | – | 19 | 11.1 | 219.1 | 214.4 | 102(F010) | 300 | – | 240 | X |
