... :ISO9001 ,CE 3. We often take Large-scale Fair. Pneumatic soft seal midline butterfly valveModel : ZTD67(4)1X (F, F4, J ... , 2.5 Mpa: 150Lb, 300LbConnecting: wafer ,flangeDimension standard: GB, ANSIBody material: Cast iron, Carbon steel(WCB), Stainless steel(CF8 ... spring reposition)Control: Switch , Adjust .Selection of Accessories: solenoid valve, locator, limit switch, F.R..L. Combination unit. Manua ...