Inquiry (采购产品): Ball Type Non-return Valve Dear Sir, We would like to know the possible pressure drop across a 4" ball type non-return valve. Regards Samir Ganguli **** Hidden Message ***** Samir Ganguli 700071 Company: CFI Technologies Pvt. Ltd. E-mail: sganguli@cfie-cfit.com **** Hidden Message ***** sganguli@cfie-cfit.com
