HTDO, HTDB series heavy caliber safety valve

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  Specifications：

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  Features：

  It is suitable for safety protection of pressure-bearing devices and large storage tanks in petrochemical and chemical industry

  Compact, small in size, light in weight

  The cost is low and the displacement of one 20BB24 is equivalent to the displacement of six 8T10.

  Comply with requirements of ASME Code Volume VIII

  Calibre range：10V14~20BB24