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Access doors

Photo of product family: Access doors


Access doors are made of galvanized, stainless steel or aluminium sheet.
They are available in two basic versions:

  • IPR for round ducts in diameters range 80 to 1600 mm 
  • IPFQ for rectangular ducts.

They are mounted in an assembled duct in which the hole has to be cut according to a delivered pattern.
Each access door is equipped with polyurethane foam ensuring "C" class airtightness.

Optionally, access doors with sealings resistant to +400°C and access doors for insulated ducts are available.

Access doors - Products range
Miniature picture Product code Name of product Files to download
Photo of product Preinstalled access doors for round ducts IPR-SNSL

Preinstalled access doors for round ducts

 IPR-SNSL access door are preinstalled in the round duct coupling.

Due to such combination mounting of access doors in diameters
from 80 to 800 mm becomes ultra-quick. There is no need to
cut-out the hole , place the doors and tighten the screws - it is all
done during production. It’s an ideal solution for fire damper
inspection purposes. The male coupling has laser cut edges ideally
matched to the access door. Access door can be install, for example,
next to fire damper to enable the fire damper inspection without
isassembly of the installation.

Preinstalled access doors for round ducts
Photo of product Insulated and hinged access door for rectangular duct IPFD

Insulated and hinged access door for rectangular duct


The IPFD access door enables maintenance and cleaning of rectangular ducts.
The access door is made from galvanized steel sheet.

The frame in contact with the duct wall has a rubber mat seal. The access door
features a 25 mm thick thermal insulation layer made from glass wool. Four clasp
locks allow easy opening and closing of the access door.

If properly installed and closed, the access door provides airtightness class C.

Insulated and hinged access door for rectangular duct
Photo of product Access door for round ducts
IPR

Access door for round ducts


The IPR access door features a CR EPDM gasket and it is designed
for installation on round duct walls.

The design of the IPR access door and its gasket profile provide
a perfect seal around the duct opening. This ensures a high airtightness class.

The product provides a very simple, low-cost and extremely effective solution
for closing and sealing access openings in the ductwork. The openings made in
the ductwork for access doors must be sized to meet the requirements of EN 12097.

Access door for round ducts
Photo of product METU access door for spiral ducts 
IPR-RRD

METU access door for spiral ducts


The IPR-RRD access doors of the METU System for round ducts
are the most versatile access opening closures. They fit nearly
all diameters of spiral ducts — from 68 to 1800 mm — and are made
from various materials such as galvanized steel sheet and stainless steel.

The access door sizes meet the requirements of EN 12097 and can be tailor-made
according to individual specifications if access openings larger than those
defined in industrial standards are required.

The METU System covers a range of different gasket types and materials;
as a result, the IPR-RRD access doors made from stainless steel sheet offer
resistance up to 300˚C. Standard gaskets are made from PE.

METU access door for spiral ducts
Photo of product Access door for rectangular ducts IPFQ

Access door for rectangular ducts


The IPFQ access door is the simplest, tried and tested, and very convenient
closure for access openings in square ducts. The design of the IPFQ access
door and its gasket profile provide a perfect seal around the duct opening.

The access door consists of two covers which clamp the edges of the opening
via two lock knobs. When closed, the access door provides an air-tight seal.
This solution provides air tightness class D.

Access door for rectangular ducts
Photo of product Access door for insulated rectangular ducts 
IPFQ-RD

Access door for insulated rectangular ducts


The IPFQ-RD access doors of the METU System for square ducts are available
in the widest possible range of sizes. The access doors meet the requirements
of EN 12097 and they can be customized to individual design specifications
and ductwork sizes.

They are available in galvanized steel sheet, stainless steel sheet and
aluminium sheet, including a range of lock knobs made from various materials.
A selection of gaskets is also available. The standard IPFQ-RD access doors
are supplied with PE gaskets.

Access door for insulated rectangular ducts
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