Davall DSg have added into their stainless steel product range a
series of stanless steel spider couplings. The hubs are in either
303 or 316 stainless steel, and the flexible element in
polyurethane. The range starts at 40mm diameter, with a torque
rating of 10Nm, upto the largest unit 105mm diameter and able to
transmit 620Nm torque.