The ISG series are vertical singlestage in桰ine centrifugal puraps designed and optimized onthe basisofgeneralvertical pumps andtheIS aeries ofcentrifugal pumps by many domestic pump experts and technician According to different purposes．they are able to be designedasoilpumps．hot water pumps，anticorrosionchemical pumps，etc. 1 Suction press re≤1.0MPa and maximum of the working pressure≤1.6MPa：intake pressure plus head is not over 1.6MPa, If the needed pressure gained through static pressure test iS above 1.6MPa the client must give us some relevant information so that we can adopt di仟erent materials to meet the requirement. 2 Relative humidity required should be below 95％ and the environmentaI temperature required should be below 40℃. 3 Granularity of solid granulesis below 0.2mm and content ofthem should be below 0.1％of total volume