pipe coupling 1.DN25mm~3000mm 2.ISO9001,ISO14001 3.12 years OEM producing experience 4.partner:FLSmidth & Co.A/S Pipe coupling,pipe ... clamp fittings,flexible coupling 1:we can supply: NameCoupling, elbow, tee, cross, reducer ... ,chemical industry and urban water supply and discharge.When it is connected with pumps,valves or pipe fittings,flanged short pipes ...