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Air Relief Valves, Model AVR/AVRS

DN80 - DN300

214 109 4814311 131211114765 Material specification AVR(S) PosPart nameMaterialStandardRemark 1BodyDuctile IronASTM A536-gr.650-450-12Single valve 2CoverDuctile IronASTM A536-gr.650-450-12Single valve 11BallStainless Steel/RubberAISI 304/NBRSingle valve 3Body relief valveDuctile IronASTM A536-gr.650-450-12Double valve 4Cover relief valveDuctile IronASTM A536-gr.650-450-12Double valve 8NippleStainless SteelAISI 316Double valve 12Gate valveGunmetalLG2Double valve 13FittingsStainless SteelAISI 316Double valve 5Body surge valveDuctile IronASTM A536-gr.650-450-12Surge valve 6Disc surge valveGunmetalASTM B584-C83600Surge valve 7Seat surge valveGunmetalASTM B584-C83600Surge valve 9GuideStainless SteelAISI 316Surge valve 10SpringInconelGrade 600 or X750Surge valve 14PackingRubberNBR FastenersSteel galvanized8.8
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