DES: butterfly valve with gear type SIZE: DN80-DN500( 3" -20" ) Working pressure: DN80-DN200( 3" -8" ) 10Kg/ cm2 150psi DN250, DN300( 10" , 12" ) 6Kg/ cm2 100psi DN350-DN500( 14" -20" ) 4Kg/ cm2 60psi Material: PVC, CPVC, PPG/ FRPP, PPH, PP-R, ABS, PE Standard: GB, DIN, ANSI, JIS, CNS