Doughty Gravlock Coupler (Used in Pairs) These Doughty Gravlock Couplers are designed specifically to secure a BS1139 scaffold tube with 2'' diameter to a girder/beam at 90 degrees. Suitable for flanges up to 1.8'' thick. With a zinc plated exterior, a long life can be guaranteed. It is important to note that these couplers must be used in pairs as supplied and clamped on opposing sides of the structural sections. For any inquiries, please contact us via chat. Downloads: User Manual Key Features: Engineered to clamp 2'' BS1139 scaffold tubes to beams at a 90° angle Durable zinc plated finish for extended corrosion resistance Designed for use on flanges up to 1.8'' thick Must be used in pairs for secure and balanced installation Tested to exceed BS 5973:1993 safety standards Specifications: SWL: 1323 lbs in all directions Tube Diameter: 2'' Weight: 3.24 lbs Material: Steel Finish: Zinc Plated References: EN74 Class A & B BS1139 Part 2 ISO9002 / BS5750 Doughty Engineering is a UK-based entertainment equipment manufacturer and began the manufacture of products in 1985. Now, it is one of the world’s leading manufacturers of rigging, suspension and lifting equipment for film/TV, theatre and concert halls. Quality and safety are key issues for Doughty. As a member of PLASA (Professional Light and Sound Association) and ESTA (Entertainment Services and Technology Association), Doughty adheres strictly to the standards of trading expected.
