RESISTOFLEX® Lined Check Valves

Resistoflex Vertical & Horizontal Poppet-Type Check Valves are plastic-lined for handling corrosives and high-purity fluids. Liner types available are Polypropylene, PVDF or PFA. Available in 1″- 8″ 

Features And Benefits

  • Extremely effective in preventing back-pressure or backflow
  • Feature a low 0.5 psi (0.03 bar) cracking pressure differential
  • Capable to handle pressure to 275 psi (19 bar)
  • Full size ports for maximum capacity
  • Practically maintenance-free

Technical Details

DESIGN FEATURES

  • PFA Lined
  • PVDF Lined
  • Polypropylene Lined

MATERIALS OF CONSTRUCTION

  • Cast Steel or Ductile Iron

SIZE RANGE

  • 1″ to 8″

PRESSURE RATINGS

  • Class 150

TEMPERATURE RANGE

  • PFA: up to 450°F / 232°C
  • PVDF: up to 275°F / 135°C
  • PP: up to 225°F / 107°C

Applications

  • Chlor-Alkali / VCM
  • Silicones
  • Chlorofluorocarbons: Refrigerants/Cooling Systems
  • Polysilicon: High-Purity for Solar Cells
  • Polyurethanes: TDI-MDI
  • Brominated Compounds: Fire Retardants
  • Titanium Dioxide Refining
  • Halogenated Butyl Rubber
  • Agricultural Chemicals: Pesticides and Weed Killer
  • Pharmaceutical: Organic Synthesis
  • Power Plants: Flue Gas Desulfurization, Coal Ash Slurries, and Water Treatment
  • Water Treatment: RO, ION Exchange
  • Pulp and Paper: Bleaching
  • Mining: Hydromet (Nickel, Copper)
  • Phosphatic Fertilizers
  • Ultrapure Systems

Certificates


  • Certified to ISO 9001
  • Fully Traceable MTRs to BS EN10204:2004 Type 3.1
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