Outline 
 Pilot operated safety relief valve is a safety valve of a novel structure. Mainly used in the field of oil and gas, chemical, electric power, metallurgy, and city gas compression equipment, containers or pipeline overpressure protection device. Its main advantage is to change the spring a direct role for the indirect effects of the pilot valve to improve the sensitivity of the action, and the main valve sleeve piston, double sealed seat action and high precision, good repeatability, the back seat, do not leak. can with high backpressure emissions, work life, stable and reliable, it can also be online tuned repeatedly Kai jump emissions can still back seat, close tightly, and operation and maintenance. 

 Linyi Industry Valve Manufacturing Co., Ltd., on free :400-6999-972, Recruitment vacancies in some cities agent www.lysyfm.com