Flange expansion butterfly valve
Text description:
Purpose and characteristics
This butterfly valve is suitable for opening and closing or regulating medium flow in pure pipelines such as food, beverage, medicine, chemical industry, as well as industrial environmental protection, water treatment, high-rise buildings, and water supply and drainage pipelines
Adopting Standards
Dimensions of flange connections GB/T9113: GB/T17241.6:
Structural length: enterprise standard;
Pressure test: GB/T13927-1992; JB/T9092-1999