Performance Standard
1.The product manufacture and acceptance requirements in accordance with JB/8527- 97 “metal sealing butterfly valve” standard.
2.The lateral flange connection with GB9115.6- 10- 88 “national standards” provisions of stee pipe flange.
3.The length of the structure with GB12221-89 “flange connection metal valve structure length’ in the clip on butterfly valve in series structure short length standard.
Application
The products are widely used in metallurgy, petrochemical, oil refining,water supply and drainage engineering etc..
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