Wafer Centre-line Butterfly Valve( Worm Gear )

Wafer Centre-line Butterfly Valve( Worm Gear )

Product model: D371X

Applicable Pressure: PN1.0~1 .6MPa

Applicable Size: DN50~1200

Applicable Temperature: -10℃~150℃

Body material:CI, DI, Carbon steel, Stainless steel, Al-bronze


Product Structure Features

1.Reduce the rotational torque, support the stem, and make it separate from the body effectively, reduce the wear of the valve stem.

2.After polishing treatment, and the seat with precision.

3.To achieve zero leakage requirements of air tightness test, the opening and closing torque is small, prolong the service life of the seat.

4.Stem seal is not easy to deform, thereby avoiding the usual stem leakage.

5.High precision, high strength, suitable for the installation of handle and other control devices.

6.Firmly connected with the valve stem and valve plate, with anti vibration characteristics, and easy to replace.

7.Good integrity, easy to control the opening and closing of the valve plate.

8.It has the characteristics of no shedding, tension, leakage prevention and convenient replacement.

9.As a device for regulating or cutting off a medium in a pipeline.

10.Apply to handle control device (DN50~300), worm gear, electric and pneumatic control device.


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Main outline dimension and weight (PN1.0 / 1.6Mpa)

DN(mm) A B L D1 H4 n-Φ K E 4-Φ1 Φ2 G WT(kg)
50 140 80 43 125 32 4-19 77 57.15 4-6.7 12.6 100 3.34
65 152 89 46 145 32 4-19 77 57.15 4-6.7 12.6 120 3.94
80 159 95 45.21 160 32 8-19 77 57.15 4-6.7 12.6 127 4.05
100 178 114 52.07 180 32 8-19 92 69.85 4-10.3 15.77 156 5.48
125 190 127 55.5 210 32 8-19 92 69.85 4-10.3 18.92 190 7.66
150 203 139 55.75 240 32 8-23 92 69.85 4-10.3 18.92 212 8.5
200 238 175 60.58 295 45 8-23 115 88.9 4-14.3 22.1 268 25
250 268 203 68 350 45 12-23 115 88.9 4-14.3 28.45 325 31.4
300 306 242 76.9 400 45 12-23 140 107.95 4-14.3 31.6 403 45.9
350 368 267 76.17 460 45 16-23 140 107.95 4-14.3 31.6 436 54