Transcription of Abbreviations - wsd.gov.hk
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Abbreviations The following standard Abbreviations shall be used in the WSD Standard Drawings. Material Cast iron CONC. Concrete Ductile iron Galvanized iron Galvanized mild steel Glass-fibre reinforced plastic GALV. Galvanized Hard wood Mild steel PE 80 Polyethylene pipe, PN80. PE 100 Polyethylene pipe, PN100. PVC Polyvinyl chloride Reinforced concrete Rectangular hollow section Rolled steel joist Stainless steel UPVC Unplasticised polyvinyl chloride Mainlaying Blank flange Butterfly valve Bottom vertical bend CSK Countersunk Double air valve District metering meter DN or dn Nominal diameter NS or ns Nominal size of PE pipe Fire hydrant Flow measurement chamber WSD Standard Drawings Page 1 of 5 Updated :6/1/2016.
Butterfly valve Bottom vertical bend : CSK Countersunk : D.A.V. Double air valve : D.M.M. DN or dn District metering meter Nominal diameter : NS or ns F.H. F.M.C. Nominal size of PE pipe Fire hydrant Flow measurement chamber : WSD Standard Drawings - Abbreviations Page 1 of 5 : Updated :6/1/2016
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