gate valve BS;DIN F4,F5;AWWA C509/C515;ANSI with iso9001, CE and WRAS certificate high quality and reasonable price 1.Design confirms to: BS5163, SABS664/6652.Flanged drilled confirms to:BS45043.Normal pressure: 1.0MPa, 1.6MPa, 2.5MPa4.Test & Inspection: DIN 3230, BS 67555.Suitable medium: water and neutral liquid6.Operator: handwheel, nut, extension stem, gear operator7.DN:40-1000mm8.size: 2"-- ...