Graco 1-in. Husky 1050 air-operated double-diaphragm pumps for process applications deliver materials at rates up to 50gpm. They include a stall-free modular air valve, a square 4-bolt manifold joint design and a 1-piece center section that virtually eliminates air leaks. The pumps are available in 6 materials of construction including aluminum, polypropylene, conductive polypropylene, PVDF, stainless steel and Hastelloy fluid sections. An optional integrated local monitoring system provides material tracking, system diagnostics and runaway control. 
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Graco Inc.; 877-844-7226;