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Product Description

We offer a full line of pressurized inspection doors to fit your application.

We have inspection doors that are ideal for cargo tanks, bulk storage tanks, rail cars and intermodal bulk containers.

The Knappco line of pressurized manholes feature:*

  • Variety of PSI ratings, from 12 to 30 PSI
  • Quick opening adjustable cam levers
  • Safety catch to help prevent accidents when opening again residual pressure
  • Locking tabs that can be secured with a tamper proof seal

Materials available include:*

  • Steel
  • Stainless Steel
  • SS Plated
  • Aluminum

Gasket choices include:*

  • Black Buna
  • White Neoprene
  • Teflon
  • Hi-Temp
  • Viton

*Not all models feature this specification.

We are your One Stop Shop.  Call us today for inspection doors.

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