Graco Launches ChemSafe Diaphragm Family for Corrosive Chemical Applications

The pumps feature an icing-resistant air system, overmolded diaphragms and a positive seat-check assembly.

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Graco Inc.’s ChemSafe family of air-operated double diaphragm PTFE (polytetrafluoroethylene) and UHMWPE (ultra-high-molecular-weight polyethylene) pumps feature a leak-free design and corrosion-resistant fluid paths. ChemSafe pumps are designed for chemical and abrasive applications like acid and solvent transfer, ceramic finishing, electroplating, printing inks, slurries and wastewater treatment.

The pumps feature an icing-resistant air system for stall-free operation, overmolded diaphragms that the company says can last up to five times longer than standard diaphragms and a positive seat-check assembly that improves pump performance and suction life while reducing maintenance.

ChemSafe pumps are available in five sizes, from ¼" to 1.5", and have flow rates up to 85 gpm. The pumps are dead-head capable and minimize air consumption and operational noise which helps to reduce energy consumption and operator fatigue.