TMN Non-Pressure Manhole Cover

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TMN Non-Pressure Manhole Cover


TMN Series manhole cover is used on tanks or containers, especially in the dairy industry, where a hygienic closeable mean of access to the interior of the tank required.


  • Body Materials: AISI-304 or AISI-316L
  • Handwheel: Nylon or SS304 
  • Gasket Material:Silicon, EPDM, FRM

Manhole seat and gasket  comply with FDA 21CFR177.2600

Standard Design

  • Available in size from φ200 to φ600
  • Standard height: 100mm, or specific height upon requirement
  • Standard thickness: 3mm
  • Outward Opening
  • Self-sealing double lip seal to prevent fluids spraying out.

Technical Specification

  • Max. pressure: no pressure
  • Temperature range: 14 ~ 248°F (-10 ~ 120°C), Silicon
  • Surface treatment: mirror inside, stain or mirror outside





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