Page 5 - ARO隔膜泵英格索兰

Smart Motor Design

COMPACT SERIES PUMPS 1/4" - 3/4"

All ARO® Comapct Series diaphragm pumps Diaphragm Moving Right to Left Diaphragm Moving from Left to Right
feature an unbalanced valve design, which A A
eliminates valve centering and pump B B
stall-out-even under low air inlet pressures.
“D” Valve
 Provides a positive seal. C
 Helps insure optimum energy efficiency C
while avoiding costly air “blow-by.”
 Ceramic construction insures long At end of stroke:
Find your opportunity service life. 1) The diaphragm pushes the right Actuator Pin 1.) Diaphragm pushes Pin (B) and SimulShift
(B) mechanically moving the SimulShift Valve
Valve (A) to the right.
“SimulShift™” Valve (A) to the left. 2.) Large ends of SimulShift Valve (A) and Major
2.) Compressed air flows to the large side of the Valve (C) are vented to exhaust pilot signal.
 Provides an ultra-positive, reliable SimulShift Valve, pneumatically moving the
shift signal that avoids stall-out. valve to the position shown. 3.) Constant compressed air supply acting on
the smaller areas of the SimulShift Valve and
 Provides faster pump trip-over with 3.) Compressed air also flows to the large end Major Valve shifts both valves to the right
more flow. of the Major Air Valve (C), pneumatically and holds them in position until the next
shifting it to the left. cycle begins.
 Faster trip-over with less pulsation
and superior laminar
material flow.

arotechsupport@irco.com • (800) 495-0276 / PRO Series Diaphragm Pumps • AROzone.com 5