Pneuflex Inc. Manufactures Single/Dual/ Triple Passage Rotor Seals. Pneuflex Inc. Is an ISO 9001: 2000 certified company that supplies different types of pneumatic clutches, industrial clutches, pneumatic brakes, industrial brakes, combination clutch, combination brakes, disc clutches, disc brakes, etc. The Single/Dual/ Triple Passage Rotor Seals allow passage of pressurized fluids from a stationary inlet to a rotating shaft end. The Single/Dual/ Triple Passage Rotor Seals are available in a variety of sizes and designs to meet most flow requirements. The multiple passage units can be used for individual control of components mounted on the same shaft, component lubrication and circulating fluid systems.