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This valve is widely used in water supply and drainage, building
fire and other systems on all kinds of pipelines, especially in the
fire pipeline. This valve can be used in the pipeline or equipment
of non-corrosive media, as the interception, connection and
regulation of flow.
Type | DN | Ф | L | B | R1 |
D71X-16 | 50 | 125 | 234 | 45 | R11 |
65 | 145 | 261 | 47.6 | R11 | |
80 | 160 | 261 | 49 | R11 | |
100 | 180 | 260 | 54 | R12 | |
125 | 210 | 312 | 58 | R12.5 | |
150 | 240 | 312 | 58.6 | R13 | |
200 | 295 | 360 | 63.4 | R13.5 |
Pressure | 1.0/1.6MPA |
Size | DN50~DN250 |
Temperature | ≤80℃ |
Medium | clear water |
Design standard | GB/T12238 |
Face to Face standard | GB/T12221 |
End connection standard | JB/T 17241.6 |
Inspection and testing | GB/T 13927 |
1. The valve is a clip connection, the valve is composed of valve
body, disc plate, valve shaft, handle and other parts.
2. The valve turns the handle 90°, the valve shaft also turns, the
valve shaft drives the butterfly plate to turn to open or close,
the dial and the handle to adjust the flow.
1. Structure size conforms to GB/T12221, small size, light weight,
easy to operate.
2. The structure adopts half shaft structure, 90 degree operation
and quick opening; The plate has high strength, large flow area,
small flow resistance and energy saving.
3. The medium can flow from both sides of the flange disc valve in
any direction, which can achieve the purpose of connecting or
cutting off.
4. The operation torque is small, labor saving and lightweight.
5. The number of opening and closing experiments is more than ten
thousand times, with a long life.
5. Complete sealing is achieved, and the gas leakage is zero.