White Max Manhole Gaskets (Sold Individually)
White Max Manhole Gaskets (Sold Individually)
White Max Manhole Gaskets (Sold Individually)

White Max Manhole Gaskets (Sold Individually)

Regular price$301.50
Shipping calculated at checkout.

  • In stock, ready to ship
  • Inventory on the way


White Max Boiler Gaskets Pure PTFE, FDA compliant

Description: (All gaskets are 1/8″ thick)

Lead Time: Most sizes IN STOCK. 2-3 day lead time on others.

  • High adaptability, suitable for flanges with corrosion and with uneven sealing surface
  • Pressure test and service with the same gasket
  • Very easy installation and removal
  • Anti-sticking material, the low effort for surface cleaning when installing a new gasket
  • No embrittlement of the gasket in storage in service
  • Pure PTFE, conforms to FDA standards
  • Clean Steam Applications
  • Temperature Minimum -450°F (-268°C)
  • Temperature Maximum/Spike 500°F/600°F (260°C/315°C)
  • Pressure Full Vacuum to 3000 psi (206.8 bar)
  • pH 0-14 (Except molten Alkali Metals and Elemental Florine)
  • Compressibility (ASTM F36) 55-62%
  • Recovery (ASTM F36) 12%
  • Creep Relaxation (ASTM F38) 32% @ 212°F 16% @ 73°F
  • Sealability (ASTM F37B) ASTM Fuel A 0.00 ml/hr, Nitrogen 0.02 ml/hr
  • Gas Permeability (DIN 3535) 0.00 cc/min
  • Ignition Loss (ASTM F495) 30%
  • Density 0.85 g/cm³

WHITE-MAX® gaskets are specially designed for inspection ports of boilers and tanks. They provide reliable seal-ability with this low stress and exceptional dimension stability. This form of gasketing is processed by expanding 100% pure polytetrafluoroethylene (PTFE). The result is a bidirectional, soft, highly compressible gasket for longer life and trouble-free sealing. Its form-in-place versatility is perfect for sealing boilerplates that are worn, warped, or scored. The high compressibility of the WHITE-MAX® gasket enables it to effectively fill flange imperfections for a tight, leak-free seal. Unlike conventional PTFE which is prone to cold flow, WHITE-MAX® has good creep resistance and bolt torque retention properties. 

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