Available in rubber, mild steel, or stainless steel, MARTIN® Inspection Doors provide quick and easy access to belt cleaners and other components inside chutes and enclosures for inspection or service.

MARTIN® Rubber Inspection Doors should only be used when belt cleaner mainframe is required to extend through the door.
Unit of Measure


Dimension A

N/A 14.5 in368 mm

Dimension B

N/A 16.50 in419 mm

Dimension C

N/A 12 in305 mm

Dimension D

N/A 14 in356 mm

Dimension E

N/A 2.71 in71 mm

Dimension F

N/A 0.75 in19 mm

Door Size (Width x Height)

N/A 12 x 14 in305 x 356 mm

Shipping Weight

N/A 13 lb5.9 kg


Door Frame Material

N/A 304 Stainless Steel

Door Temperature Range

N/A Standard Rubber Door

Mounting Hardware

N/A w/ Mounting Hardware

Safety Screen

N/A w/ Safety Screen



  • Dust-Tight Seal
    "Snap-on" rubber doors form tight seal to contain dust and fines.
  • Works in Tight Spaces
    Opens in less than 2.5 inches (65 mm) clearance for access in obstructed areas.
  • Options to Fit Conditions
    Materials to match conditions, including high-temperature or food-grade applications. Optional inspection screen controls access when door is open; complies with ANSI B.20.1 1984 and ISO 1819-02.1.11.
  • Simple Installation
    Door can be bolted or welded to enclosure wall.
  • Matches Your Application
    Five sizes available, from 9 x 12 to 24 x 24 inches (229 x 305 to 610 x 610 mm).

Round MARTIN® POKE-HOLE™ Doors also available.

Application Guidelines

N/A Martin Engineering recommends a minimum door size of

  • 12 x 14 in. (305 x 356 mm) for pre-cleaners
  • 12 x 18 in. (305 x 457 mm) for secondary cleaners

Other options, including food-grade rubber and/or stainless steel frame are available. See your Martin Engineering representative.

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