Post on 18-Apr-2018
GEMINI FEATURES
HEAVY DUTY PUMP FOR LIVE FLOORS, MOVING FLOORS,AND DUMP TRAILERS
� Dual Pressure Relief: low for dump bodies, high for live floors� Easy to switch from low to high pressure using truck air� Large 1 ½” NPT suction port in the gear housing� Three line system for continuous duty� Field adjustable relief settings� Dowelled construction� 37 GPM @ 1800 RPM� 100% factory tested� Heavy-duty “controlled stress” roller
bearings� Factory installed “OEM” air shift with full
metering capabilities� Direct mount SAE “B” 4 bolt or twin shafted remote mount
with bracket� Relief valve protects the high pressure portion of the system
as well as the pump 997-01226-8Air Shift Tower
Dimensional Data (inches)
The third line sleeve is installed in the pump, therefore, the returnport must be plumbed back to tank, below the oil line at all times.
3.75
CYLINDER/HIGHPRESSUREPORT 1” NPT
RETURN PORT1” NPT (Seenote below)
2.00
2.00
REAR VIEWCCW ROTATION
AIR INLETPORT 1/4” NPT
.56 DIA4 HOLES
3.54
1.77
3.54
1.77
4 BOLT B DIRECT MOUNTCCW ROTATION
2.751.63 3.38
18.52
PORT SIDE VIEWDIRECT MOUNTCCW ROTATION
4.95
2.00
.25
7/8-13TSPLINE
4.75 INLET PORT1 1/2” NPT
4.00
7.44
1.31AIR SHIFT/VALVE
SIDE VIEWDIRECT MOUNTCCW ROTATION
1500 Frost Rd.P. O. Box 2068
Streetsboro, OH 44241
Phone 330-626-2801Fax 330-626-2805e-mail info@permco.com
© Bulletin #02-402Gwww.permco.com
Pump CodeDG - 20 - Z - L - AS - 25/32 - **
DG Direct Mount, SAE 4 Bolt “B”RG Remote Mount
20 2.0” Gear / 37 GPM at 1800 RPM
Z 3 Line Sleeve Installed
L Left Hand RotationR Right Hand Rotation
AS *Air Shift of Main Spool
**Extended Stud OrientationDelete Top Two (Std.)EB Bottom TwoEL Left SideER Right SideE4 All four
Relief Valve Setting25 2500 PSI Low Pressure32 3200 PSI High Pressure
*Because of potential interference with aftermarket air shiftcylinders, we recommend the Permco “OEM” version.