TypeA/LT concentric butterfly valve Technical: Size:2"-40" Nominal Pressure:PN10/PN16 Working Temperature:-15 deg C~135 deg C Suitable Medium:water,steam,oil, acids,salts,etc Standard: Design standard: API609 Face to Face: API609,DIN3202 k1,ISO5752 Body Flange Drilling: DIN2501 PN10/PN16, ANSI125/150,BS4504, JISB2210 10K Top Flange: ISO5211 Test Inspection: API598 contact: tjvalve@tjtvt.com