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Expansion/ Flexible/Telescopic Flange Butterfly Valve
Expansion/ Flexible/Telescopic Flange Butterfly Valve
Summary:
DS341X retractable butterfly valve has the function of automatically compensating the thermal expansion and contraction of pipeline for easy loading and unloading. It is suitable for the best device for regulating the flow rate and carrying the cut-off body on the industrial pipelines of petroleum, chemical industry, electric power, papermaking, water supply and drainage and municipal construction with the temperature below 425ºC and nominal pressure below 1.6MPa.
Main features:
1. Unique structure, flexible design, light weight, labor-saving, quick opening and closing.
2. The telescopic butterfly valve can not only compensate the thermal expansion and contraction caused by the temperature difference in the pipeline, but also provide convenience for the installation and replacement of the maintenance valve.
3. The sealing part can be adjusted and replaced, and the sealing performance is reliable.
Standard
Manufacturing standard: JB/ t8527-97, GB/T 12238-89.
Flange standard: gb9113-2000, GB/T 17241.6-1998.
Inspection standard: GB/T 13927-92.