Power Section Specification (Metric)
169-5623
42.9 mm 5:6 Lobes 2.3 Stages
Rotor Specifications
Overall Length 1397.0 mm
Avg. Diameter 23.16 mm
Contour Length 1295.4 mm
Eccentricity 1.92 mm
Major Diameter 27.00 mm
Head Diameter 25.40 mm
Head Length 101.6 mm
Weight 5 kg
Thread Form 5/8"-11 UNC
Stator Specifications
Overall Length 1524.0 mm
Tube OD 42.88 mm
Contour Length 1257.3 mm
Tube ID 32.72 mm
Rubber Cut-back
Side 1: 133.3 mm
Side 2: 133.3 mm
Weight 8 kg
Material Alloy Steel
Performance Specifications
Flow Range 95-170 LPM
Rev per Unit Volume 2.19 Rev/L
Speed Range 207-373 RPM
No Load Pressure Loss 545 kPa
  RTP
Max Rec Press 3,500 kPa
Torque @ Max Press 230 N-m
Stall Pressure 5,240 kPa
Stall Torque 340 N-m
Stator Minors and Fit (mm) at 21°C
  RTP
Group Minor Fit
0 23.01 0.15
Reline Lengths (mm) Max 1524 Min 1372 Alternate Stator OD (mm): - / -
Torque
Differential Pressure (kPa) 0 2,000 4,000 Torque (Nm) 0
Fit Increase
Change in Temperature (°C) 0 100 200 Fit Increase (mm) 0
Speed
Differential Pressure (kPa) 0 2,000 4,000 Speed (RPM) 0
Mechanical Power
Differential Pressure (kPa) 0 2,000 4,000 6,000 Mechanical Power (Kw) 0
Torque
Differential Pressure (kPa) 0 1,000 2,000 3,000 4,000 5,000 Torque (Nm) 0 100 200 300 400
Fit Increase
Change in Temperature (°C) 0 50 100 150 200 Fit Increase (mm) 0 0.2 0.4 0.6
Speed
95 LPM 132 LPM 170 LPM Differential Pressure (kPa) 0 1,000 2,000 3,000 4,000 5,000 Speed (RPM) 0 100 200 300 400
Mechanical Power
95 LPM 132 LPM 170 LPM Differential Pressure (kPa) 0 1,000 2,000 3,000 4,000 5,000 6,000 Mechanical Power (Kw) 0 5 10
©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.