Worm Gear EPDM seat wafer butterfly valve

1.    Small in size and light in weight, easy to install. It can be mounted wherever needed, suitable for various actuators.

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

3.    Disc has two-way bearing, perfect seal, without leakage under the pressure test.

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

5.    Various kinds of materials, applicable to different medium.

   6. Strong wash and brush resistance and can fit to bad working condition.

   7. Center plate structure, small torque of open and close.

   8. Long service life. Standing the test of 10,000 times opening and closing operation.

   9. Can be used in cutting off and regulation medium.

       10. Disc & stem are fastened by pin, more stable.

Size: DN40-DN1200 (1.5”-48”)

Standard:

1.       Design standard: BS5155, API609, EN593

2.       Test standard: DIN3230 Part3, API598, EN12266-1

3.       Face to face standard: DIN3202K1, API609, EN558-1, ISO5752

4.       Medium: water, sewage, oil, food, gas and so on

5.       Flange connection: DIN2501 PN10/16, BS4504 PN10/16, ASME B16.1 125LB & 150LB, JISB2220 10K and so on

6.       Working pressure: 10bar/16bar

7.       Test pressure:

Shell:15bar/24bar

Seal:11bar/17.6bar