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OBERDORFER Geariron Heavy Duty Rotary Gear Pumps are
designed for use in general industrial and processing
applications. The engineered product utilizes helical gears and
oversized bearings for long, quiet, trouble-free service. A variety
of bearing materials and mechanical seals make this pump
suitable for a wide range of applications. Geariron pumps can be
supplied in either a pedestal mount version or close-coupled to
AC or DC drives. Users can adjust speed either manually or by
remote electronic signals.

• Helical Gears — Ouiet running with long service life

• Heavy Duty Bearings — Long life, pressures up to 500 PSIG

• Optional Integral Relief Valve — Protects pump from damage
due to over pressurization

• Custom Engineered Design — Each pump built to match
specific application requirements

• Self Priming
— Lifts fluid up to 20 feet


SPECIFICATIONS TABLE

Model
Max.
Flow
GPM
Max.
Head
FT
Max.
Temp
°F
Max.
Visc
SSU
Max.
Spec
Grav.
Connections
Wetted**
Materials
MOTOR DATA
Shp.
Wt.
Lbs
Overall
Dimensions
In.
Inlet
Outlet
HP
RPM
Volts
PH
Hz
Encl
03GB1111
3
250
225
50,000
N/A
1/2" FPT
1/2" FPT
CI,BR,ST,6S,CE,CB,BN
Call For Motor Information
And Mounting Components 
12
5x6x11
05GB1111
5
250
225
50,000
N/A
3/4" FPT
3/4" FPT
CI,BR,ST,6S,CE,CB,BN
16
5x6x12
10GB1111
10
250
225
50,000
N/A
1" FPT
1" FPT
CI,BR,ST,6S,CE,CB,BN
22
6x7x14
18GB1111
18
250
225
50,000
N/A
11/4" FPT
11/4" FPT
CI,BR,ST,6S,CE,CB,BN
34
6x7x14
25GB1111
25
250
225
50,000
N/A
11/4" FPT
11/4" FPT
CI,BR,ST,6S,CE,CB,BN
42
7x8x16
35GB1111
35
250
400
50,000
N/A
11/2" FPT
11/2" FPT
CI,BR,ST,6S,CE,CB,BN
51
7x8x17
03HC1211
3
300
400
50,000
N/A
1/2" FPT
1/2" FPT
CI,ST,6S,CB,CE,VT
12
5x6x11
05HC1211
5
300
400
50,000
N/A
3/4" FPT
3/4" FPT
CI,ST,6S,CB,CE,VT
16
5x6x12
10HC1211
10
300
400
50,000
N/A
1" FPT
1" FPT
CI,ST,6S,CB,CE,VT
22
6x7x13
18HC1211
18
300
400
50,000
N/A
11/4" FPT
11/4" FPT
CI,ST,6S,CB,CE,VT
34
6x7x14
25HC1211
25
300
400
50,000
N/A
11/4" FPT
11/4" FPT
CI,ST,6S,CB,CE,VT
42
7x8x16
35HC1211
35
300
400
50,000
N/A
11/2" FPT
11/2" FPT
CI,ST,6S,CB,CE,VT
51
7x8x17
03GB61112
2
250
225
10,000
N/A
1/2" FPT
1/2' FPT
CI,BR,ST,6S,CE,CB,BN
1
1150
230/460
3
60
TEFC
69
6x7x24
05GB61112
4
250
225
10,000
N/A
3/4" FPT
3/4"FPT
CI,BR,ST,6S,CE,CB,BN
11/2
1150
230/460
3
60
TEFC
69
6x7x24
10GB61117
10
250
225
1,000
N/A
1' FPT
1" FPT
CI,BR,ST,6S,CE,CB,BN
3
1750
230/460
3
60
TEFC
101
8x9x29
18GB61118
18
250
225
1,000
N/A
11/4" FPT
11/4" FPT
CI,BR,ST,6S,CE,CB,BN
5
1750
230/460
3
60
TEFC
125
8x9x30

Other seal configurations available for temperatures up to 350°F.
* Contact a Water Cooling Engineer for assistance in selecting
pumps for fluids over 500 SSU.
** Also available in All Bronze and 316SSS construction.
See page 5 for material legend.

Contact a Water Cooling Application Engineer for assistance in selecting pumps for fluids with specific gravity over 1.1.
Also available in TEFC and Explosion Proof.

Water Cooling Corp. The Pump Warehouse
P.O. Box 220056 | Rosedale, NY 11422
Phone: Toll Free: 1.877.559.7894 | Fax: 718.525.1826