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INGERSOLL RAND COMPANY LTD
P.O. BOX 151
ONE ARO CENTER
BRYAN, OHIO 43506-0151
(800) 276-4658
FAX (800) 266-7016
© 2008 CCN 99443798
OPERATOR’S MANUAL 65178X-XXX-B
RELEASED: 2-12-93
REVISED: 1-11-08
(REV. F)
HIGH PRESSURE
MATERIAL REGULATOR
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.
SERVICE KITS
Use only genuine ARO® replacement parts to assure com-
patible pressure rating and longest service life.
Order 637219-XXX-B rebuild kit (see chart below) for gen-
eral repair of the regulator. This includes a diaphragm kit
and a valve kit.
Fluid diaphragm kit 61962-1 can be ordered separately
(see page 4).
Valve kit can be ordered separately (see page 4).
Ball Size
A - 0.1875”
B - 0.250”
C - 0.500”
Ball & Seat Material
1 - Tungsten Carbide
Rebuild Kit Selection
Example: Model # 651780-A3B-B
Rebuild Kit # 637219-0A1-B
Type
0 - Downstream
1 - Back Pressure
MODEL DESCRIPTION CHART
Figure 1
637219 - X X 1 - B
REBUILD KIT DESCRIPTION CHART
SPECIFICATIONS
Model Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65178X-XXX-B
Type . . . . . . . . 651780-XXX-B . . . . . . . . . . . . . Downstream
651781-XXX-B . . . . . . . . . . . . . Back Pressure
Material Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . see model chart
Material Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . see model chart
Dimensional Data . . . . . . . . . . . . . . . . . . . . . . . . see gure 10
PERFORMANCE DATA
Regulated Pressure Range . . . . . . . . . . . . . . . see model chart
Maximum Regulated Pressure . . . . . . . . . . . see model chart
Maximum Inlet Pressure
651780-XXA-B . . . . . . . . . . . . . . . . . . . . . . . . . . 3000 p.s.i. (206.9 bar)
651780-XXB-B, -XXC-B, -XXR-B . . . . . . . . . . . 6000 p.s.i. (413.8 bar)
651781-XXX-B . . . . . . . . . . . . . . . . . . . . . . . . . . 3000 p.s.i. (206.9 bar)
Maximum Temperature Limits . . . . . . . . 0° to 200° F (-18° to 93° C)
Regulated / Maximum Pressure Range
A - 400 - 1250 p.s.i. (27.6 - 86.2 bar)
B - 100 - 3000 p.s.i. (6.9 - 206.9 bar) Back Pressure models
- 1000 - 3000 p.s.i. (69 - 206.9 bar) -AXB and -BXB
Downstream models
- 750 - 2500 p.s.i. (51.7 - 172.4 bar) -CXB Downstream models
C - 2000 - 5000 p.s.i. (137.9 - 344.8 bar)
R - 400 - 5000 p.s.i. (27.6 - 344.8 bar) -AXR and -BXR models
- 750 - 5000 p.s.i. (51.7 - 344.8 bar) -CXR models
Body Material, (Seat Material)
1 - Carbon Steel (Tungsten Carbide)
3 - 316 Stainless Steel (Tungsten Carbide)
Port Size, (Ball Size)
A - 3/8 - 18 N.P.T.F. (0.1875”)
B - 3/8 - 18 N.P.T.F. (0.2500”)
C - 3/4 - 14 N.P.T.F. (0.500”)
Type
0 - Downstream
1 - Back Pressure
65178 X - X X X - B