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.

　　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.

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