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Contact SupplierWe are offering worm wheel expansion metal seal butterfly valve.
name:worm wheel expansion metal seal butterfly valve
classification:butterfly valve
model: sd343h
nominal diameter: dn50�3000�
nominal pressure: pn0.6�4.0mpa
applicable temperature: �425�
material:carbon steel, stainless steel, etc.
medium:water, steam, gas
�summarize
it concentrates some function of flange butterfly and pipe expansion joint. So it not only can cut-off flow, but also can solve internal force elimination which caused by difference in temperature, that is expansion effect. It is applied to adjust and cut-off medium in electric power, metallurgy, petroleum, chemical, coal gas, city heating, water and electricity paper making, light textile, medicine, food, water supply and drainage, energy, all non-caustic gas, liquid, semiliquid, solid power pipe and container. It can be installed in any place and can�t be influenced by medium and flow direction. It can also adjust two flange distance when install the valve.