DIV 22 · PLUMBINGPLUMBINGCUT SHEET INDEXED

ZurnZ1090 — Zurn Z1090 Backwater Valve Flapper Type Cast IronZ1090

Zurn Backwater Valve, Flapper Type (Backwater Valve). Model Z1090. Flapper type backwater valve; Sizes 3" and 4" utilize automatic PVC flapper with O-ring; Sizes greater than 4" utilize bronze flapper hanging 1/4" [6] normally open; Sizes up to 4" utilize flapper hanging normally closed. material: Dura-Coated cast iron body, PVC flapper (3" and 4" sizes), Bronze flapper (sizes > 4")

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Official manufacturer data sheetOpen PDF ↗
Manufacturer
Zurn
Catalog no.
Z1090
Product type
Plumbing
MasterFormat
22
Cut sheet
PDF · manufacturer current

Product details

Catalog numberZ1090
DescriptionZurn Backwater Valve, Flapper Type (Backwater Valve). Model Z1090. Flapper type backwater valve; Sizes 3" and 4" utilize automatic PVC flapper with O-ring; Sizes greater than 4" utilize bronze flapper hanging 1/4" [6] normally open; Sizes up to 4" utilize flapper hanging normally closed. material: Dura-Coated cast iron body, PVC flapper (3" and 4" sizes), Bronze flapper (sizes > 4")
Connection size2, 3, 4, 6 [51, 76, 102, 152]
End connectionNo-Hub inlet and outlet
FinishDura-Coated
MountingGasketed bolted cover
DimensionsVaries by size (e.g., 2" size: B=5-1/4", C=6-1/2", E=4-5/8",
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