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Handles operate cast iron epdm seat wafer price wafer butterfly valve dn100 butterfly valve
The butterfly plate of the wafer butterfly valve is installed in
the diameter direction of the pipeline. In the cylindrical
channel of the butterfly valve body, the disc-shaped butterfly
plate rotates around the axis, and the rotation angle is between
0°-90°, which can play a role in flow adjustment. When the
butterfly plate rotates to 90°, the valve reaches the maximum
Opening.
The wafer butterfly valve is simple in structure, small in size and
light in weight, and consists of only a few parts. Moreover,
it can be opened and closed quickly by rotating 90°, and the
operation is simple. At the same time, the valve has good fluid
control characteristics.
Specification:
| Technical Date | Material Specification | ||
| Nominal Diameter | DN50-DN600 | Valve Body | Cast Iron or Ductile Iron |
| Nominal Pressure | PN10/PN16 |
Valve Disc |
Ductile Iron or Stainless Steel |
| Operation Temperature | -40°C~225°C | Hand Bar or Hand Wheel | Cast Iron or Aluminium or Carbon Steel or Malleable S teel |
| Flange Driling Standard | EN 1902-2 PN10/16 | Seal Material | EPDM OR NBR |
| Suface Treatment | Painting |
Stem |
Carbon Steel or Ductile Iron or Stainless Steel |
| Application | Portable water, water distribution service & feed lines, sewage disposol, irrigation, fire protection pipe systerm, etc. | ||
MATERIALS AND PROPERTIES
Valve parts | Material |
Body | CI, DI, WCB, CF8, CF8M, |
Disc | DI, CF8, CF8M, 1.4529, 1.4469, 2507, WCB, Nylon, PTFE, |
Shaft | SS410, SS416. SS420, SS431, MONEL K500, F51, 17-4PH, |
Seat | EPDM, PTFE, NBR, |
Actuator | HANDLE LEVER, GEAR WORM, PENEMATIC, ELECTRIC, |
structure
It is mainly composed of valve body, valve stem, butterfly plate and sealing ring. Valve body cylindrical, short axial length, built-in butterfly plate.
The characteristics of
1. Butterfly valve has the characteristics of simple structure, small volume, light weight, material consumption, small installation size, quick switch, 90° reciprocating rotation, small driving torque, etc., used to cut off, connect and adjust the medium in the pipeline, with good fluid control characteristics and close sealing performance.
2, butterfly valve can transport mud, at the mouth of the least liquid accumulation. Good sealing can be achieved under low pressure. Good regulation performance.
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