Super Quality Butterfly Valve With Malleable Iron Handle 1) 2 years guarantee 2) Meets ANSI, ... BS,DIN,JIS 3) Zero leakage Super Quality Butterfly Valve With Malleable Iron HandleProduction Range:SIZE: 50 mm (2 inch) - 600 ... water,sewage,sea water,air,vapor,food,medicine,oils,alkais,salt etc.Typical ApplicationsHeating air-conditioning systems;Water purification system;Mining ...