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- Shanghai East Well Smart Water Co.,Ltd
- Address:No. 556, Fengyong Road, Fengxian District, Shanghai, China
- Email:well-valve@hotmail.com
- Tel:+86-21-56029997
- Fax:+86-21-56025999
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Flange Ventilated Type Butterfly Valve
Usage and characteristic
The butterfly valve has a seal ring with the same material as that of the valve and adopts the worm gear actuator, which is generally applicable for such pipelines as for industries and environmental protection as a ventilation type to regulate the medium flow.
Application specification
1.Design manufacture according to GB/T 12238
2.Face to face according to GB/T 12221
3.End flange dimension according to GB/T 17241.6
4.Valve inspection and test according to GB/T 13927
