Power Section Specification
169-5623
1.688" 5:6 Lobes 2.3 Stages
Rotor Specifications
Overall Length 55.00 in
Avg. Diameter 0.912 in
Contour Length 51.00 in
Eccentricity 0.075 in
Major Diameter 1.063 in
Head Diameter 1.000 in
Head Length 4.00 in
Weight 10 lb
Thread Form 5/8"-11 UNC
Stator Specifications
Overall Length 60.00 in
Tube OD 1.69 in
Contour Length 49.50 in
Tube ID 1.288 in
Rubber Cut-back
Side 1: 5.25 in
Side 2: 5.25 in
Weight 17 lb
Material Alloy Steel
Performance Specifications
Flow Range 25-45 GPM
Rev per Unit Volume 8.31 Rev/Gal
Speed Range 207-373 RPM
No Load Pressure Loss 79 psi
  RTP
Max Rec Press 510 psi
Torque @ Max Press 170 ft-lbs
Stall Pressure 760 psi
Stall Torque 250 ft-lbs
Stator Minors and Fit (in) at 70°F
  RTP
Group Minor Fit
0 0.906 0.006
Reline Lengths (in) Max 60 Min 54 Alternate Stator OD (in): - / -
Torque
Differential Pressure (psi) 0 200 400 600 Torque (ft-lb) 0
Fit Increase
Change in Temperature (°F) 0 100 200 300 Fit Increase (in) 0
Speed
Differential Pressure (psi) 0 200 400 600 Speed (RPM) 0
Mechanical Power
Differential Pressure (psi) 0 500 Mechanical Power (hp) 0
Torque
Differential Pressure (psi) 0 100 200 300 400 500 600 Torque (ft-lb) 0 100 200 300
Fit Increase
Change in Temperature (°F) 0 50 100 150 200 250 300 350 Fit Increase (in) 0 0.01 0.02 0.03
Speed
25 GPM 35 GPM 45 GPM Differential Pressure (psi) 0 100 200 300 400 500 600 Speed (RPM) 0 100 200 300 400
Mechanical Power
25 GPM 35 GPM 45 GPM Differential Pressure (psi) 0 100 200 300 400 500 600 700 800 Mechanical Power (hp) 0 5 10 15
©2026 NOV. All rights reserved. Except as noted, all trademarks referenced in this document are trademarks of NOV. Performance curves describe theoretical performance with 175°F (79°C) water and are for reference only. Operational fit and drilling conditions will affect performance. Operation above maximum recommended limits will reduce life. Specification data are subject to change without notice.
PS App v.