Fisher 63EG-98HM backpressure valve / pressure relief valve pressure relief valve, fisher 63EG-98HM, 63EG relief valve, Fisher Type 63EG-98HM regulator compact structure, fast response, large capacity 63EG Series backpressure / relief valves are suitable in the gas or liquid system. It is the best choice of the circulating pump and a small space pry device. There can be used to select the structure of the sea conditions. (Miss Lee: 13,537,502,453 0755-28145886) the Fisher Type 63EG-98HM regulator Selection parameters are as follows: inlet pressure: 31bar pressure range :1-25 .9 bar operation: pilot-Body material: steel, stainless steel, Kazakhstan Division and gold, Monel, 20 alloy connection diameter: 2 ", 3", 4 ", 6", 8 "* 6"