good quality gas valve for Africa,Asia,Sout America 1)size:in:3/4-14NGT,out:20mm 2)safety pressure:2.5Mpa 3)material:copper Gas valve with Certificate for Asia,Africa,Middle East and South America1.linking bond:3/4"-14NGT, outlet bond:20mm,DN:Ø6.3mm,single spindle2.safety pressure:2.5Mpa,working pressure:1.6Mpa3.materical:Hpb59-1 brass4.testing pressure:low:0.05Mpa, high:2.5Mpa5.packing:plastic ...