Performance:

1.Nominal diameter: DN40-DN1000

2.Nominal pressure: PN10/16

3.Working temperature: -15+150

4.Suitable mediums: fresh water, sea water, air, steam, food, medicine, oils, sewage, etc.

Materials of main parts:                                   

1.Body: cast iron, ductile iron, aluminum bronze, stainless steel, and carbon steel and so on.

2.Disc: plated ductile iron, aluminum bronze, stainless steel, titanium steel and carbon steel and so on.

3.Stem/Shaft: stainless steel and carbon steel.

4.Rubber Gasket: NR, EPDM, NBR, VITON, PTFE, Hypalon.

5.Bushing: lubrized bronze, PTFE, GS-1.

Transmission: worm gear, pneumatic, hydraulic, hydraulic-pneumatic and electric.

Features: 

1 Small in size and light in weight. Easy instillation and maintenance. It can be mounted where needed.

2. Simple and compact construction, quick 90degree on-off operation.

3. Long service life. Standing the test of tens of thousands opening/closing operations.

4. Flow curve tending to straight line. Excellent regulation performance.

5. Bubbles-tight sealing with no leakage under the pressure test.

6. Wide selections of materials, applicable for various medium