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Ames Fire & WaterworksDeringer 2020

Ames Fire & Waterworks Double Check Valve Assembly (Backflow Prevention). Model Deringer 20. 100% stainless steel housing; Dual-action check modules (poppet at low flow, swing at high flow); Integral shutoff valves with prewired supervisory switches; Tamper-resistant test cocks. material: 304 Stainless Steel

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PDF20.pdfData sheet
Ames Fire & Waterworks 20 cut sheet — first page
Official manufacturer data sheetOpen PDF ↗
Manufacturer
Ames Fire & Waterworks
Catalog no.
20
Product type
Plumbing
MasterFormat
22
Cut sheet
PDF · manufacturer current

Product details

Catalog number20
DescriptionAmes Fire & Waterworks Double Check Valve Assembly (Backflow Prevention). Model Deringer 20. 100% stainless steel housing; Dual-action check modules (poppet at low flow, swing at high flow); Integral shutoff valves with prewired supervisory switches; Tamper-resistant test cocks. material: 304 Stainless Steel
Connection size2"– 8"
End connectionIPS grooved ends
Pressure Rating10 – 175 psi
MountingHorizontal and Vertical
ComplianceNSF, UL.

Also cataloged as: 20-2(2½)**, 20-2½, 20-3, 20-4, 20-6, 20-8

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