CENTRASTART vacuum-pumping systems allow configurations of a central vacuum facility having mix-and-match modularity. Core modules include a pump with flame arrestors, temperature controls and nitrogen seal purge, which can be combined with other inlet and outlet modules to create a central vacuum system to meet almost any specification. The systems can be configured with a capacity of 60 to 250 ft3/min. (1.7 to 7 m3/min) and provide consistent vacuum down to 0.15 torr. The dry-pump systems can handle different solvents without risk of cross-contamination and have increased dust-handling capability.