Basic technical requirements gear pump safety valve: 1) set pressure greater than 3.0Mpa steam safety valve or medium temperature greater than 235 ° C in air or other gas safety valve, should be able to prevent the direct discharge of medium erosion spring. 2) Gear pump steam safety valve must have a wrench, when the medium pressure reaches more than 75% of set pressure, the valve will be able to use a wrench to enhance the operation of the valve wrench should not obstruct. 3) toxic or flammable media safety valve safety valve must be closed, and to prevent leakage of the valve cover gasket and protective cover at. 4) To prevent the body to adjust the amount of compression springs loose and free to change the pressure has been tuned to be equipped with locking devices and add seals. 5) gear pump and valve seat should be fixed on the body, not loose, safety valve opening height shall be provided to limit the agency. 6) gear pump valve even if some damage, either should be able to reach the rated displacement, when the spring is damaged, valve and other parts will not fly outside the body. 7) additional back pressure relief valve, should be based on the size and changes in pressure situations, and set back pressure balance mechanism. 8) gear pump for pilot safety valve should be separately pilot valve and main valve opening action for sealing and testing should meet the performance requirements of the standard. [Company Name] Tengzhou Machine Co., Ltd. Heng Noda [Sales Manager] Mr. Sun [Hotline] 0632-5168661 [Business Phone] 13356372661 [Main products] small hydraulic machine hydraulic machine hydraulic gantry single column hydraulic press machine hydraulic machine of small hydraulic arm 200t hydraulic machine hydraulic machine hydraulic machine hydraulic gantry single column hydraulic press machine [corporate website] http://www.yaliji1.com/ [Address] Economic Development Zone Industrial Park South Tengzhou