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Safety valve DN20

Safety valve DN20

  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

  Discharge pressure: ≤1.1 times setting pressure

  Throat diameter: 11mm

  Opening height: ≥2.75mm

  Total length of safety valve: 102 mm

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

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

  Outlet 3/4 "-14 NPT (internal thread diameter 23.66mm)

  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.

  Features:

  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.

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

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