Crayflange® 4 Bolt Slide on Flange System has great strength and low leakage rates for transverse duct joints. Crayflange® is successfully tested for air leakages by The Building Services Research & Information Association (BSRIA) for compliance to DW/144 J Rated Flange Identification System.
• Corrosion Resistant
• Injected with non-drying and non-toxic sealant compound
• Quick assembly and economical
• Available in 20mm, 25mm, 30mm, 35mm, 40mm and 45 mm