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HEBEI HAIHAO FLANGES CO., LTD supply AWWA C207 CLASS D RING FLANGE with 1500ton per month:
Standards & Types:
1) AWWA C207 CLASS D RING FLANGE.
2) AWWA C207 CLASS D BLIND FLANGE.
Material:
CARBON STEEL: ASTM A105, Q235B.
STAINLESS STEEL: 304, 304L, 316, 316L, 1.4404, 1.4306, 1.4307.
Surface Antirust:
Surface antirust 1:       Antirust light oil
Surface antirust 2:       Black paint coating
Surface antirust 3:       Yellow paint coating
Surface antirust 4:       Galnavized (Hot galvanized or Cold galvanized or Electro Galvanized)
Surface Finish:
Surface finish 1:       Stock finish
Surface finish 2:       Sprial serrated
Surface finish 3:       Two or three grooves (Water Lines)
Surface finish 4:       Smooth finish


	                        		    



