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INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276
FAX (800) 892-6276
© 2013 CCN 81380065
OPERATOR’S MANUAL 651511-X
RELEASED: 11-24-76
REVISED: 10-7-13
(REV. E)
AUTOMATIC DISPENSING VALVE
651511-X
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.
INCLUDING: SERVICE KITS, TROUBLESHOOTING, PARTS LIST,
DISASSEMBLY & REASSEMBLY.
GENERAL DESCRIPTION
651511 Extrusion
651511-1 Airless Spray
Automatic Valve with the following features.
The ball and valve seat are made of tungsten carbide for
maximum resistance to erosion and wear.
The (3) 90565 packings are made of PTFE for maximum
wear and resistance to solvents.
This unit has a 2” diameter air cylinder. The 72842 piston
is made of Buna “N”.
It has a 1/2” mounting hole.
Both air inlets are 1/8 - 27 NPTF (female).
Air operated opening and closing.
OPERATING INSTRUCTIONS
Use only genuine ARO® replacement parts to assure com-
patible pressure rating and longest service life.
HEED ALL WARNINGS.
WARNING
HIGH PRESSURE DEVICE. Improper usage of this
equipment could result in serious injury. The possibility of
injection into the esh is a potential hazard. Never allow
any part of the human body to come in front of, or in direct
contact with, the material outlet. An injection injury can be
serious. If injection should occur, contact a qualied physi-
cian for immediate treatment of such injuries.
SERVICING. Before servicing or removing uid hose or
valve from a unit that has been used, be sure to disconnect
air lines and carefully bleed pressure o of the system.
PREVENT FIRES. When pumping, ushing or recirculating
volatile solvents, the area must be adequately ventilated.
Keep solvents away from heat, sparks and open ames.
Keep containers closed when not in use.
CAUTION
The maximum working pressure for the auto-
matic dispensing valve assembly is 5000 p.s.i. (345 bar).
651511 EXTRUSION 651511-1 AIRLESS SPRAY
SPECIFICATION DATA
REF.
A - Material Outlet 11/16” - 16 UN-2A
B - Material Inlet (2) 3/8 “ PTF
C - Air Inlet 1/8” NPTF (Return or "Closing")
D - Air Inlet 1/8” NPTF (Actuating)
E - Width Dia. 2-1/2" (63.5 mm)
F - Overall Length Approx. 8.937" (227 mm)
G - Body Length Approx. 7-1/2" (190 mm)
H - Mounting Hole 1/2" dia.
F
E
G
DCBA
Figure 1
F
H
Figure 2
MAINTENANCE
With proper care, this unit will give long reliable service. To
maintain this performance, it should be “ushed thoroughly”
with solvent immediately following each application period if
equipment is to be idle for a long period of time.
If material leakage occurs between valve housing (25)
and body (19), check gasket (24).
If material leakage occurs at orice of gun, check ball and
ball seat for dirt or foreign substance. Inspect ball and
ball seat (23).
If material leakage occurs around piston rod (21) in open-
ing of air cylinder head (13) check tightness of retainer
(15) or worn packings (17).
If air leakage occurs around the air cylinder, check for
damaged or worn “O” rings. (Indicated on the drawing
(12), (11), and (4)).