A27 type spring micro-opening safety valve with wrench is a kind of safety protection device for non-toxic and harmless and non-flammable and explosive liquid medium pressure pipeline and container equipment as overpressure protection. This type of safety valve adopts spring direct load type, screw connection, open valve cover structure, with lifting wrench.
Product features
1, with lifting wrench can regularly check the flexibility of valve opening
2. Small deviation of setting pressure, up to ±3%
3. Pressure difference between opening and closing ≤15%
4, choose high-quality spring steel, to ensure the life and stability of the spring
Flat disc and seat are easy to repair and rework
Scope of use: this product can be used as overpressure protection device in equipment or pipeline with water, air and steam as medium at working temperature ≤200°C.
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