FrostSafe® Two-Way Air Damper

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The FrostSafe®, a wafer style bi-directional hingeless damper, is installed in a vent pipe to minimize the thermal exchange of cold and warm air in and out of a vault to help prevent freezing.

Product Overview

  • Available in sizes 4" - 12"
  • Wafer style bidirectional hingeless damper
  • Installed in vent piping
  • Protects air valve freezing
  • Minimizes the flow of cold air into vaults through vent pipes
  • Provides 100% flow area
  • 100% corrosion resistant construction
  • Allows Air Valves to function at full rated capacity
  • Wafer design minimizes space requirements
  • Manufactured under a certified ISO 9001 quality system

Certifications

  • NSF 372 Certified Lead-Free

Features

  • Body - High Density Polyethylene
  • Membrane - Nylon Reinforced Neoprene
  • Damper Seal - PETG (Polyethylene Terephthatate Glycol)
  • Adaptable to existing vent pipes

Specifications

Valve Size Product Description Drawing Number
4" - 12" 1500 FrostSafe® Two-Way Damper VM-1500-S

Materials of Construction

Valve Size Product Description Drawing Number
4" - 12" 1500 FrostSafe® Two-Way Damper VM-1500-M

Dimensions

Valve Size Product Description Drawing Number
4" - 12" 1500 FrostSafe® Two-Way Damper VM-1500

Manuals

Valve Size Product Description Drawing Number
4" - 12" FrostSafe® Two-Way Damper FS-OM2

Technical Data

Product Description Drawing Number CAD Version
FrostSafe® Two-Way Damper PDF CAD
Vault Installation PDF CAD