... valve, pump, thermal exchange, condensing tower, plain hole and man hole of flange, etc.Specification:Description: QS 3050 ... manufactory, power station, metallurgy, shipbuilding, medical and pharmaceutical nuclear power station and navigation, etc.ApplicationWe can produce according to ... example Basic type SWG 3050Tongue and Groove 304/PTFESWG with inner ring 3050IRMale and Female 304 304/FG SWG with ...