The butterfly plate of the soft-seal butterfly valve is installed in the diameter direction of the pipe. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, the rotation Angle is between 0° and 90°, and the valve is fully open when it is rotated to 90°. The characteristics of the new high-life stainless steel butterfly valve and the problems that exist in the use of the butterfly valve, this type of valve should generally be installed horizontally in the pipeline.
1, small and light, easy to disassemble and repair, and can be installed in any position;
2, simple structure, compact, 90° turn open quickly;
3. Small operating torque, labor-saving and light;
4, flow characteristics tend to be straight, good adjustment performance;
5, the number of opening and closing tests up to tens of thousands of times, long life;
6, the seal can be replaced, sealing reliable two-way seal, gas test leakage is zero;
7, sealing material aging resistance, corrosion resistance, can be suitable for a variety of media.
size | DN | L | D1 | D2 | D2 | L2 | L3 | L4 | ISO 5211 |
2″ | DN50 | 48 | 86 | 92.3 | 75 | 129 | 24 | 240 | F05 |
2.5″ | DN65 | 52 | 101 | 107 | 82 | 136 | 24 | 240 | F05 |
3″ | DN80 | 53 | 116 | 122 | 99 | 153 | 24 | 240 | F05 |
4″ | DN100 | 58 | 148 | 153 | 110 | 167 | 24 | 270 | F07 |
5″ | DN125 | 62 | 174 | 179 | 125 | 193 | 24 | 320 | F07 |
6″ | DN150 | 62 | 204 | 208.4 | 145 | 209 | 24 | 320 | F07 |
8″ | DN200 | 65 | 252 | 262.3 | 170 | 251 | 30 | 380 | F10 |
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