Positive Displacement Blowers
Blocker & Wallace Service LLC is an industry leader in providing positive displacement blowers and vacuum pumps for the manufacturing industry. We are a Gardner Denver Factory Authorized Distributor, repair and warranty center for PD blower lines, including Sutorbilt, DuroFlow, Drum, CycloBlower, HeliFlow, TriFlow and Elmo Rietschle. PD blowers can also be used as vacuum pumps by operating the unit from the blower's intake port. Shop our complete lineup of Gardner Denver PD blowers and find the positive displacement blower you need.
