... Butyl, Neoprene, Viton(TP), Viton(FPM);B. Application:chemical processing, pulp and paper production, power generation, onboard ships, ... oil and gas processing, food and diary processing, mechanical engineering, HVAC(heating, ventilation and conditioning);C.Feature: ... flow rates or heat load, temperature program, physical properties of liquids(except water), desired working pressure, maxinum permitted ...