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Backflow Prevention | Tyco

Backflow Prevention - Figure DCDA03 - 65-150mm

Tyco Gate, Globe, Check Valves, Check Valves, Reduced Pressure Zone

Double check detector assembly for medium hazard rated applications.

  • 65 - 150mm flanged end connections.

Features & Benefits:

  • Compact simple design.
  • Now inline and onsite serviceable.
  • No special tools required for servicing.
  • Designed and manufactured in accordance with AS/NZS 2845.1.
  • Straight through flow path for maximum flow co-efficient.
  • By-pass lines have lockable ball valves for security.
  • Lifting lugs to assist with installation.
  • Top entry allows all parts to be accessed easily.
  • Stainless steel internals for superior corrosion resistance.
  • Fully restrained check valve assemblies for unrivalled safety.
  • Rilsan Nylon coated to AS 4158.
  • Each valve is bench tested and tracked with unique serial number.
  • All internal components are repairable or replaceable.
  • All internal & external bolting is stainless steel.
  • Conforms to testing requirements of AS/NZS 2845.3.
  • Design conforms to all major international standards.
  • Installations can be vertical and horizontal.
  • Full bore by-pass line connection for maximum flow.
    • 40mm for valve sizes 80 & 100mm.
    • 50mm for 150mm valves.

  • Size Range: 65mm to 150mm
  • Working Pressure: 1600 kPa
  • Maximum temperature: 1ºC to 60ºC

End Connections

  • Flanged Table C AS 4087
  • Alternative flange drillings may be available on request

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Technical Data Sheets

DCDA03 Double Check Detector Assembly (English)

Double Check Detector Assembly formedium hazard rated applications.

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