Detailed Product Description flange connection ball valve 1,best price and high quality. 2can do special style. flange connection ball valve 1,best price and high quality. 2.can do special style. flange connection ball valveSpecifications: Nominal pressurePN2.5,4.0.6.4MpaStrength testing pressurePT3.8,6.0,9.4MpaSet testing pressurePN0.6MpaApplicable media25CQ41F-40C64CWater,oil,gas25PQ41F- ...