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      Corrugated tube elastic hard sealing butterfly valve
      Product introduction

      Product standard: GB/T 12238-2008

      "Universal valve flange and clamp connection butterfly valve"

      JB/T 8527-1997 metal hard seal valve

      Nominal diameter: DN300-DN2400

      Nominal pressure: PN0.25MPa-2.5MPa

      Working temperature: less than or equal to 80 DEG C

      Connection form: flange

      Drive mode: manual, electric, hydraulic

      Main material: gray cast iron, nodular cast iron, cast steel, steel plate welding

      Uses: thermal power station circulating water system, urban water supply system, etc.. The utility model is used for regulating the water flow through the broken water flow and in the range of 40 DEG -90 deg.

      Structural features: bellows flexible metal floating seal valve seat. When opening and closing the sealing surface friction size, opening and closing torque is small. Sealing surface by special processing, high hardness, corrosion resistance, wear resistance, reliable sealing, long service life.


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      Product name Corrugated tube elastic hard sealing butterfly valve
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