Creative Engineers [M] offers Single Shut off Pneumatic 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 Single Shut off Pnematic Series Couplings, under the brand name Rapilink, used for pneumatic applications such as automotive assembly lines etc. The Single Shut off Pneumatic Series Couplings is available in various sizes and has seals made of Nitrile, Flourocarbon, Neoprene and Silicone.