Pressure Performance

When correctly installed, the Flex-Seal and Fernco range of products will withstand the following pressures:

• Standard Couplings and Bushes
• Up to 620mm: 1.0 bar (irrespective of pipe material)
• Up to 400mm: 2.0 bar (with ductile iron, PVCu or similar)
• Over 620mm: 0.6 bar
  
  
• Extra Wide Couplings: 0.6 bar
  
  
• Wraparound Couplings: 0.6 bar
  
  
• Drain Couplings: 0.6 bar
  
  
• Euro Couplings: 0.5 bar
  
  
• Chemical Couplings: 0.6 bar
  
  
• Adaptor Couplings: 0.6 bar
  
  
• Plumbing Couplings: 0.6 bar
  
  
• End Caps: 0.5 bar
  
  
• End Stoppers: 0.2 bar
  
  
• Puddle Flanges
• Up to 315mm dia: 3.0 bar
• Over 355mm dia: 1.0 bar
  
  
• F-910 Wall Seals: 0.5 bar
  
  
• Flexible Saddle
• FA150B: 1.0 bar (WRc) and 0.6 bar (IKT)
• FA150ST: 1.0 bar (WRc) and 0.6 bar (IKT)
• FA200B: 1.0 bar (WRc) and 0.6 bar (IKT)
  
  
• Sewer Saddle: 0.5 bar
  
  
• Pipe Doctor: 2.5 bar (external hydrostatic testing)