675-67-81

Power Section

Technical Specifications

Fit Information – Minor Diameter (in)
Stator Size
NBR-1A
Dyna Power
XR
HR
XP
1 Undersize
Standard
4.064*
4.064
4.064*
1 Oversize
4.085*
4.085
4.085*
2 Oversize
Nominal Fit at 75oF
1 Undersize
Standard
0.001*
0.001
0.001*
1 Oversize
-0.020*
-0.020
-0.020*
2 Oversize
* Pending production measurements
** Representative options given. Verify specific requirements before placing order
*** Customer specified
Rotor Specifications
Overall Length ** (in)
223.0
Contour Length ** (in)
217.0
Eccentricity (in)
0.282
Major Diameter (in)
4.629
Head Diameter *** (in)
4.250
Weight (lb)
723
Material ***
17-4SS
Thread Form ***
2 7/8 API REG
Stator Specifications
Overall Length (in)
232.0
Cutback #1 (in)
8.0
Cutback #2 (in)
8.0
Tube OD (in)
6.75
Tube ID (in)
5.50
Weight (lb)
688
Number Of Stages
8.1
Performance Specifications
NBR-1A
XR
HR
XP
Torque Slope
6.605 ft-lb/psi
Max. Diff. Press. (psi)
1820
1820
2030
Flow Range
300 – 700 GPM
Max. Torque (ft-lb)
12040
12040
13380
RPG
0.390 rev/gal
Stall Diff. Press. (psi)
2730
2730
3040
Speed Range
117 – 273 RPM
Stall Torque (ft – lb)
18060
18060
20060
Off Bottom Pressure (psi)
171
Max. Recommended (HP)
553
553
615
PSI Per Stage
225
225
250
PSI Per Cavity
36
36
40
Temperature Slope (in/oF
0.000318
0.000316
0.000336
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