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Suitable for Spiral/Circular Duct
The AJS range of easy fit 316 grade stainless steel standard access doors are manufactured by our selves in the UK and have been designed for both strength and to gain safe and easy access to all in-duct equipment for inspection, maintenance and duct cleaning purposes.

Size Options  
  • Type A - 200mmx80mm   to suit 80 -150mm Ø
  • Type B - 250mmx150mm to suit 150 - 450mm Ø
  • Type C - 400mmx300mm to suit 400 - 1016mm Ø
Specification / Features
  • Double skinned construction.
  • Manufactured from 0.8mm 316 grade stainless steel (2b finish)).
  • Individually pressed to suit duct diameter.
  • 6mm closed cell polyethylene gasket adhered to the inner panel sealing the duct internally.
  • A positive seal is achieved via 2 external thermo plastic, tri-star threaded (m10) hand wheels. Tightened onto press fitted internal fully threaded (m10) set bolts. (Zinc plated mild steel)
  • Conical stainless steel springs fitted between the inner and outer panel offers a sprung separation for ease of installation and removal.
  • Set bolt ends are pressed to purposely defect the thread ends, not allowing the access door to be completely disassembled, reducing the risk of the inner panel separating and falling into the duct, causing damage to other equipment.
  • Self adhesive disposable duct hole cut out template, complete with installation instructions package with each access door.
  • Optional - rubber edging strip (cut to size) for the duct hole rough edges, reducing the risk of personal injury when the access door is removed for duct cleaning and maintenance purposes.
Model Option
  • Standard.
Material Option 
  • 316 Stainless steel.
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Access Doors
Spiral Duct Access Door
316 Stainless Steel - Standard
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