Creative Engineers [M] manufactures Double Shut off Hydraulic Series Couplings. Creative Engineers [M] also manufactures various types of Pneumatic, Hydraulic and Special-purpose couplings under the brand name Rapilink which are used in flow lines for transferring variety of fluids at different temperatures and pressures. The Double Shut off Hydraulic Series Couplings are made to suit high pressure and high temperature requirements. The Double Shut off Hydraulic Series Couplings are available in various sizes. The Double Shut off Hydraulic Series Couplings have seals made of Nitrile and Flurocarbon.