Shanghai Valve Factory (SVF) Co. Ltd
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SVFModel SFNA-42B25C1 -Built-in Type Safety Valve for Tank Car

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SFNA-42B25C1 type safety valve adopts built-in structure, which occupies a small space, so it`s especially applicable to tank car and similar equipment as overpressure protection device. The working medium shall enter the product below the valve clack, and excess medium is directly discharged to the space. Spring is installed in the inner cavity of valve clack, and the valve has compact structure, small volume, and light weight. The opening pressure is adjusted by turning the adjusting nut, and it`s very easy to use and install.

Design and manufacture standard:  Design and manufacture standard:

  • Design standard: ANSI B16. 34, ASHRAE15-78, GB/T12241
  • Structure length: GB/T12243
  • Inside nominal diameter: DN32, DN40, DN50
  • Pressure range: PN 2. 5Mpa
  • Applicable operating condition:
  • 1. Tank car and similar equipment.