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Screw machine safety valve

Screw machine safety valve

  Performance parameters:

  Product model: SDA-22C300T

  Nominal pressure: 300Lbs

  Trade name diameter: DN20 (3/4 ")

  Applicable temperature: -40-150 ℃

  Setting pressure: 1.0-3.0MPa

  Applicable medium: refrigerant, oil, water, gas, etc.

  Connection size: imported 3/4 "-14NPT (external thread diameter 26.568mm)

  Executive standards: GB / T 12241-2005, GB / T 12243-2005.

  product description:

  This product has a compact structure and light weight. It is suitable for safety equipment with overpressure protection of refrigeration equipment. The whole body is made of brass material with high sealing performance.


  1. Small set pressure deviation

  2. Select high-quality spring steel 50CrVA to ensure the life and stability of the spring.

  3. The full revelation structure has a large displacement.

  4. The seal adopts PTFE F4 material, and the sealing performance is high.