500-67-88

Power Section

Technical Specifications

Fit Information – Minor Diameter (in)
Stator Size
NBR-1A
Dyna Power
XR
HR
XP
1 Undersize
Standard
2.864*
2.864*
1 Oversize
2.874*
2.874*
2 Oversize
Nominal Fit at 75oF
1 Undersize
Standard
0.000*
0.000*
1 Oversize
-0.010*
-0.010*
2 Oversize
* Pending production measurements
** Representative options given. Verify specific requirements before placing order
*** Customer specified
Rotor Specifications
Overall Length ** (in)
265.0
Contour Length ** (in)
255.0
Eccentricity (in)
0.217
Major Diameter (in)
3.298
Weight (lb)
464
Head Diameter *** (in)
3.40
Material ***
145 KSI 17-4SS
Thread Form ***
BLNK
Stator Specifications
Overall Length (in)
275.0
Cutback #1 (in)
8.0
Cutback #2 (in)
8.0
Tube OD (in)
5.00
Tube ID (in)
4.00
Weight (lb)
517
Performance Specifications
NBR-1A
XR
HR
XP
Torque Slope
3.829 ft-lb/psi
Max. Diff. Press. (psi)
1980
2200
Flow Range
190 – 390 GPM
Max. Torque (ft-lb)
7580
8420
RPG
0.166 rev/gal
Stall Diff. Press. (psi)
2970
3300
Speed Range
128 – 262 RPM
Stall Torque (ft – lb)
11370
12640
Off Bottom Pressure (psi)
135
Max. Recommended (HP)
329
365
PSI Per Stage
225
250
PSI Per Cavity
36
40
Temperature Slope (in/oF
0.000247
0.000247
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