Diaphragm Piston Pumps

Automatic Drain Valves

Introducing the New High-Performance Pro's: PDO5, PDO3

Unbalanced valve design eliminates valve centering and pump stall-out-even under low air inlet pressures.

"D" Valve
Provides a positive seal.
Helps insure optimum energy efficiency while avoiding costly air "blow-by".
Ceramic construction insures long service life.

"SimulShift Valve"
Provides an ultra-positive, reliable shift signal that avoides stall-out.
Provides faster pump trip-over with more flow. Faster trip-Over with less pulsation and Superior laminar material flow.