LINCOLN AIR DIAPHRAGM PUMP 
Model 85634 and Model 85635 Air-operated, UL-listed Diaphragm Pumps
System Description:
A result of Lincoln’s continuous effort to provide superior pump technology, the Lincoln Air Diaphragm Pump deliver higher flow rates and greater solids handling capability. Each pump features the no-lube air valve and grounding wire and a one-inch inlet and outlet. The two models have aluminum construction with a choice of Buna or PolyTetraFluoroEthylene (PTFE) wetted soft parts.
Specifications:
| Key performance differences: | ||
|---|---|---|
| New | Old | |
| Maximum GPM (LPM) | 45 (170) | 37 (140) |
| Solids Handling | 1/4”(6mm) | 1/8” (3mm) |