www.jbj.co.uk/couplings.html #DriveLineHarmony Introduction ® METALDRIVE Disc Couplings 1 L Features » All steel. » Superior disc pack profile and assembly optimized for higher torque and misalignment and lower restoring forces. » Maintenance, lubrication and wear free. » Backlash free and torsionally rigid. » Wide range of temperature allowed: -40°C to 250°C. » Easy installation. » Bi-directional. » Modular design. » Allow axial, angular, and radial misalignment (only with double disc pack). » Available in stainless steel for corrosive environment application. » Approved according to ATEX Directive 2014/34/EU. GMD type S Standard version with single disc pack. The coupling allows axial and angular misalignment. No radial misalignment is allowed. GMD type E-I Standard version with shrink disc. GMD type DC Standard version with double disc pack and standard length spacer. Allows axial, angular and radial misalignment. It is possible to mount the hubs in reverse (hub R) to obtain a compact drive. It is not possible to radially mount the spacer. GMD type DCA Double disc pack execution and anti-fail device. Standard spacer lengths for pump applications. This execution is available in conformity to API 610 e API 671. GMD type SA1 Tubular shaft version. Shaft is available in various lengths and can be delivered in welded aluminum or steel. Available with carbon shaft. GMD type SA2 Shaft version with solid shaft construction. Variable shaft lengths are available.