Application Specifications:

1. the design, manufacture according to GB/T12238-1989

2. the length of the structure according to GB/T12221-2005

3. connecting flange: GB/T9113-2000

4, the valve inspection and testing by JB/T9092-1999

Features and uses:

       This is a kind of a Butterfly Valves valve dual-use products, set expansion joints and flange type butterfly valve in one. It may be within a certain range of axial stretching, help pipeline expansion and contraction, eliminating pipe vibration and customer service within a certain range of angles to generate different axes butt pipe offset, can greatly facilitate the installation of pipeline valves and removal, increase economic efficiency. For food, beverage, pharmaceutical, pure pipeline and industrial environmental protection, water treatment, high-rise buildings, to open and close the drain line for adjusting the flow of the medium.

SD343H-10C The shape and dimensions of the main links

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