CAD Files

Style 4200 Flange Type

  • Eliminates backflow and seals around entrapped solids
  • 25mm to 2438mm (1" to 96") DN
  • Rugged all elastomer construction is a full variety of materials
  • Maintenance free operation with no mechanical components that can corrode or freeze
  • Lower head loss than conventional check valves
  • Will open with as little as 25mm WC. Drop tight at 30psi over 18.3m WC
  • Quiet opening, no slamming
  • Non-plugging
  • Provides corrosion and abrasion resistance
  • Versatile construction for a wide range of applications
  • Standard flange drillings include: ANSI and BS EN-DIN1092 PN16
  • Full faced internal elastometric flange ensures a complete seal while a need for gaskets
  • Retaining rings available in galvanised, 304 stainless steel and 316 stainless steel

1 Style 4200

Style 4200

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    Posiflex Brochure

    Compensates for Expansion, Contraction and Vibration in Pipe Systems


Data Sheets

  • 1. PosiFlex Online Enquiry Form

    Complete this online form fillable PDF. Press send and save once complete to assist with a quotation for PosiFlex products.

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Fitting Instructions

  • posiflex cover VJ IOM REJ 0718 DR9811 Duck Billed Check Valves Style 4100 / 4200 / 4300 - Installation, Operation & Maintenance
  • posiflex cover VJ IOM REJ 0718 DR9811 Posiflex Rubber Expansion Joint Installation, Maintenance & Storage