Shanghai Huanyao Valve Co., Ltd.

Spring-type safety valve cast steel safety valve is suitable for equipment or pipelines with oil, air, water and other media operating at ℃. / type is suitable for equipment or pipelines with corrosive media at working temperatures of ℃, as an overpressure protection device.

The spring-type safety valve is an automatic pressure relief protection device opened by inlet static pressure. It is one of the most important safety accessories of the pressure vessel. Its function is when the pressure in the vessel exceeds a certain When the value is reached, the valve automatically opens based on the pressure of the medium itself and quickly discharges a certain amount of medium. When the pressure in the container drops to the allowable value, the valve automatically closes, so that the pressure in the container is always lower than the upper limit of the allowable pressure, automatically preventing possible accidents due to overpressure, so the safety valve is also called the ultimate safety valve of the pressure vessel. protective device.
Common faults and causes of safety valves
[Safety valve leakage] The contact surface between the valve core and the valve seat is not tight. There is dirt on the contact surface between the valve core and the valve seat. The valve stem is deflected.
[The safety valve does not open when it reaches the specified pressure] If the valve core and the valve seat are stuck, you can do a manual exhaust test to rule out that the spring adjustment pressure of the spring-type safety valve is too large, and the weight of the lever-type safety valve should be readjusted. To move backward, the weight should be moved to the original constant pressure position and tightened with the limit screw.
[The safety valve opens when the pressure is not specified] If the spring adjustment pressure of the spring-type safety valve is not enough, the spring fails or the elasticity is insufficient, the safety valve should be readjusted or replaced. The lever-type safety valve should move the weight forward, and the weight should be moved forward. Move the hammer to the original constant pressure position and tighten it with the limit screw
Nominal diameter
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Since its establishment, Shanghai Huanyao Valve Co., Ltd. has mainly sold various flow meters, liquid level meters and flow valves that meet the standards of /, , and other standards. Safety valves, solenoid valves, regulating valves, gate valves, ball valves, needle valves, globe valves, check valves, butterfly valves, flame arresters, exhaust valves, filters, traps and other marine accessories sets, table valves. Can be customized according to various types User requirements are customized according to domestic and foreign standards such as national standards, American standards, Japanese standards, and German standards. Its products all meet the testing standards of relevant municipal, provincial and national departments.

Huanyao Valve adheres to the tenet of sourcing quality and creating value with integrity. Its products are now sold well all over the country and have gradually developed overseas markets. And win the trust of customers with excellent product performance, reasonable price positioning and high-quality customer service.
Shanghai Huanyao Valve Co., Ltd. adheres to the business philosophy of honesty, quality first and reasonable price, and adheres to the principle of customer first to provide quality services to our customers. We sincerely welcome friends from all walks of life to negotiate business
Shanghai Huanyao Valve Co., Ltd. Contact number Fax email@.Business mobile phone contact Ye Feng