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Tyco DV-5A Single Interlock Preaction Valve, Dry Pilot Actuation, DN40 to DN200 (TFP1416)
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Tyco DV-5A Single Interlock Preaction Valve, Dry Pilot Actuation, DN40 to DN200 (TFP1416)

Preaction valveSingle interlockDry pilot actuationDN40 to DN200UL, C-UL, FM

A DV-5A diaphragm valve for single interlock preaction systems, opened by a dry pilot line detection system so that the sprinkler pipes fill before a sprinkler operates.

  • Sizes DN40 to DN200; epoxy coated ductile iron inside and out
  • Water then discharges only from sprinklers that open
  • A low air pressure in the system, watched by a low pressure alarm switch, reveals leaks
  • External reset by re-pressurising the diaphragm chamber
  • Flange drilling options listed include ANSI B16.1 Class 125, and BS 4504 and DIN 2532 PN16
  • Tyco lists UL and C-UL Listing and FM Approval

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

Sizes: DN40 to DN200

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Download the official Tyco catalogue (PDF, 4.6 MB)

Specifications

Specifications
SpecificationDN40 to DN200
Valve TrimThe maximum pressure rating for the single interlock preaction dry pilot actuation trim is 300 psi (20,7 bar).
Pressure LossSee Graph A
Detection SystemSee the Dry Pilot Actuation subsection
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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