Product Features

1. The centerline structure of this valve has reliable sealing performance.

3. The butterfly plate adopts a unique streamlined structure, with high strength, large flow area, and low flow resistance.

5. This valve has a bidirectional sealing function and is not controlled by the flow direction of the medium during installation. It can be installed in any direction.

6. This valve is flexible, labor-saving, and convenient to operate.

1、 Main technical parameters

Nominal longitude DN (mm) 25-800 25-800
Nominal pressure PN (MPa) 0.6 1.0 1.6
Sealing test (MPa) 0.66 1.1 1.76
Strength test (MPa) 0.9 1.5 2.4
Applicable media include water, air, natural gas, oil, and weakly corrosive fluids
The leakage rate meets the GB/T13927-92 standard
Drive mode: worm gear transmission, electric, pneumatic, hydraulic

2、 Main component materials

Valve body WCB, QT450-10, HT200, HT250
Butterfly board WCB, QT450-10304316,1.4529
Valve shaft 2Cr13
Packing O-ring