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
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Viking Johnson Product Directory
Viking Johnson's full product catalogue - issue 8
Data Sheets
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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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