Graco ChemSafe air diaphragm pumps

Graco ChemSafe pumps feature PTFE or UHMWPE (ultra high molecular weight polyethylene) corrosion-resistant fluid paths.
They are ideal for pumping corrosive and abrasive chemicals. 
There's no exposed metals and they can be configured in various materials.
ChemSafe pumps are suitable for most abrasion, temperature, and chemical compatibility requirements. 
Plus they're dead-head capable and achieve high flow rates while minimizing air consumption and operational noise.
Made in USA