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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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GB Flange type three-eccentric hard-sealing butterfly valve
Application specification
1 Design manufacture according to JB/T 8527
2 Face to face according to GB/T 12221
3 End flange dimension according to GB 9113
4 Valve inspection and test according to GB/T 13927
