KRRD
For circular ducts made of plastic (PVC, PE, PP and PPs)
Simple and rapid installation.
The duct is squeezed between the two access door covers
The outer access door panel is always made of PVC
- Strong outer panel made of PVC, grade M1, flame retardent, dark grey.
In white color upon request for clean rooms.
- Stops prevent the knobs from being totally removed.
- Polyethylene corrosion resistant knobs (black or red).
- EPDM foam gasket.
- Bolt and weld made of the same material as the duct (PVC, PE, PP or PPs).
- Inner panel made of the same material as the duct (PVC, PE, PP or PPs).
These KRRD Access Doors are special products!
Please refer to the information ZI-000
The various dimensions can be found in our price-list.
Version with inner-cover made of polyethylene (PE)
Operating Temperature: ≈ -50°C to ≈ +70°C
Behavior under Fire: class B2 (DIN 4102)
Chemical Resistance: good chemical resistance to acids, alkaline detergents and solvents.
Colors: inner black, outer grey RAL 7012
Version with inner-cover made of polypropylene (PP and PPs)
Operating Temperature: 0 to ≈ +80°C
Behavior under Fire: class B2 (DIN 4102)
Chemical Resistance: good chemical resistance to acids, alkaline detergents and solvents.
Colors: PP inner grey 7032, outer grey 7012
PPs inner grey 7037, outer grey 7012
Version with inner-cover made of polyvinylchloride (PVC)
Operating Temperature: 0 to ≈ +50°C
Behavior under Fire: Class M1 (France) and B1 (Germany, DIN 4102)
Chemical Resistance: good chemical resistance to acids, alkaline detergents.
Color: inner and outer grey 7012
