Butterfly valve

Adoptive Standards:

Design: API609 / AWWA-C504 / BS EN593 / GB/T12238

Face to face: API609 / ASME B16.10 / BS EN558 / GB/T12221

Flange end: ASME B16.42 / ASME B16.47 / BS EN1092-2 / GB/T9113 / GB/T 17241.6

Pressure test: API598 / BS EN12266 / GB/T 13927

Applications：

Fresh water / Sea water / Salts water

Steam / Gas / Air

Alkali / acid / oil

Working Temperature：

From -20℃ to +220℃

Design features:

1. Bidirectional sealing.

2. Zero leakage

3. Good flow regulating function and sealing performance.

4. Different seat designs satisfy various service conditions

5. The disc can move away from the seat fast and prolong the valve life.

6. Simple in structure, and convenient in mounting, dismounting and change.