Safety valves are widely used in various industries of the national economy, as boilers and pressure vessels and piping safety accessories, in accordance with the national "Pressure Vessel Safety Technology Supervision" requirement A28H safety valve, "safety valve should check at least once a year in general." However, the current petrochemical, chemical and other enterprises means more than one year of continuous operation, or even two, three safety valves, check once a year to achieve difficult; some devices are continuous operation, no maintenance period; in addition, running faulty safety valve on the unit need not stop to remove and replace it difficult to achieve. To this end, developed a safety valve A28H fast switching device with handle safety valve, you can achieve the purpose of stopping the machine to quickly replace the safety valve. Spring safety valve is limited to within safe pressure range cooker vent, to ensure the safe use of equipment. Spring structure, performance is the key to the valve. Spring safety valve is a device for cleaning the exhaust pipe is blocked due to misuse or established. Valve Co., Ltd. Shandong Everbright A28H valve manufacturer specialized in producing safety valve with handle quotes, welcome new and old customers to order our products! 1. faults and eliminate leaks. Under normal operating pressure equipment, exceeding the allowable level of leakage between the valve and valve seat sealing surface. The reasons are: dirt between the valve and valve seat sealing surface. Can be used to enhance the wrench to open the valve several times, rushed to the dirt; sealing surface damage. Should be based on the extent of damage, the use of grinding or turning grinding methods to be repaired; stem bending, tilting or lever and fulcrum skewed, so that the valve spool and dislocation. Should be re-fitted or replaced; spring elasticity or loss of elasticity. Should be taken to replace the spring, re-adjust the opening pressure and other measures. Safety valve | with handle spring safety valve Sellers | Valve Model Everbright Everbright Limited provided by Shandong valve. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) in this field ball devoted boundless enthusiasm and passion, Everbright valve has been customer-centric, the idea of ??creating value for customers, quality and service to win the market, and sincerely hope to work with the community to create success, create brilliant. Welcome to the relevant business information, Contact: Manager Ma.