Metallized Carbon Corp. (Ossining NY) offers custom vanes, rotors, and end plates for use in rotary vane pumps pumping both liquids and gases. The carbongraphite components provide lubrication in most environments, and are suited for pumping liquids with poor lubricating qualities, strong chemicals that attack metals, and to pump air, vacuum, combustion products, and gasoline vapors. The materials are chemically resistant, and are compatible with FDA food and beverage regulations. They have a low wear rate running in both gas atmospheres and low-viscosity liquids.
Carbon graphite vanes can withstand the rubbing of the vane tip against the housing bore, and the rubbing of the side of the vane against the slots in the rotor. Lightweight carbon graphite rotors withstand the rubbing against the vane and the end plates. Carbon graphite end plates are pressure-tight and dimensionally stable so that they can make a close clearance seal.
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