WORKING PRESSURE 1.5kg/cm2~10kg/cm2(Max.14kg/cm2) 1.5kg/cm2~10kg/cm2(Max. 22kg/cm2) APPLICABLE TEMPERATURE 5~80 INSTALLATION METHOD ??(Vertical) MIN. OPERATION PRESSURE 1.5kg/cm2 CONNECTION METHOD KS 10K FF Flange KS 16K FF Flange(20K ??) HYDRO. TEST PRESSURE 20kg/cm2-2min 32kg/cm2-2min METERIALS BODY, COVER GC 200 GCD 450 SEAT RING BC 6 DISC RUBBER N.B.R