The D941X electric rubber flanged butterfly valve, as a component used to realize the on-off and flow control of pipeline system, has been widely used in many fields such as petroleum, chemical industry, metallurgy, hydropower and so on. In the well-known butterfly valve technology, the sealing form of the sealing structure, sealing material for rubber, PTFE and so on.
Electric rubber flange butterfly valve standard:
1. Design standard :GB/T12238-1989
2, flange connection size :GB/T9113.1-2000; GB/T9115.1-2000; JB78
3, structure length: GB/12221-1989
4, pressure test: GB/T13927-1992; JB/T9092-1999