Profile: Marvac Scientific Mfg. Co. is engaged in the production of vacuum pumps. We develop belt drive vacuum pumps for industrial, neon and laboratory applications. We also supply radiator testers and adapters. We offer parts such as shaft seal, tank gasket, intake & exhaust valves, intake and exhaust vanes. Our service kit includes tank gasket, shaft seal, valves, vanes, spring and pin sets and shaft snap-ring.