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Tyco DV-5A Double Interlock Preaction Valve, Electric/Electric, DN40 to DN200 (TFP1466)
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Tyco DV-5A Double Interlock Preaction Valve, Electric/Electric, DN40 to DN200 (TFP1466)

Preaction valveDouble interlockElectric/electricDN40 to DN200UL, C-UL, FM

A DV-5A diaphragm valve for double interlock preaction systems, held shut by a solenoid valve that opens only when both zones of the releasing panel have operated.

  • Sizes DN40 to DN200; epoxy coated ductile iron inside and out
  • Zone 1 of the releasing panel is started by fire detection or a manual pull station
  • Zone 2 is started by a low pressure alarm switch when an opened sprinkler lets out the system air
  • For areas such as refrigerated spaces where accidental flooding of the sprinkler pipes must be avoided
  • Separately ordered semi-assembled trim, or fully trimmed with or without a system main control valve
  • Tyco lists UL and C-UL Listing and FM Approval

Standards and approvals: UL/C-UL Listed, FM Approved

Sizes: DN40 thru DN200

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Download the official Tyco catalogue (PDF, 4.6 MB)

Specifications

Specifications
SpecificationDN40 thru DN200
Valve TrimThe maximum pressure rating for the Electric/Electric Double Interlock Preaction Trim is dependent on separately ordered solenoid valve per Technical Data Sheet TFP2180.
Pressure LossSee Graph A
Valve BodyEpoxy coated ductile iron per ASTM A536-77, Grade 65-45-12
Diaphragm CoverEpoxy coated ductile iron per ASTM A536-77, Grade 65-45-12
DiaphragmPolyester fabric reinforced, TEFLON coated, EPDM rubber per ASTM D2000
Diaphragm Cover FastenersAluminum zinc coated steel Note: For wrench and socket sizes, see Table B.

Specifications as published by Tyco. Please confirm the exact model with us before ordering.

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