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Product Description

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

We have inspection doors that are ideal for conveying systems, storage bins, industrial applications and cargo tanks.  Ideal uses are as a fill opening in screw conveyor systems, as an inspection port, as a clean out port, as a sampling port.

The Knappco line of non-pressurized manholes feature:*

  • Durable
  • Lightweight
  • Wing-nut hatch
  • Locking hatch
  • Replaceable hinge pins
  • Cam levers
  • 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
  • EPDM
  • Red Silicone

*Not all models feature this specification.

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

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