Power Section Specification
169-5650
1.688" 5:6 Lobes 5.0 Stages
Rotor Specifications
Overall Length 93.00 in
Avg. Diameter 0.850 in
Contour Length 87.00 in
Eccentricity 0.070 in
Major Diameter 0.990 in
Head Diameter 1.250 in
Head Length 6.00 in
Weight 14 lb
Thread Form 5/8"-11 UNC
Stator Specifications
Overall Length 99.00 in
Tube OD 1.69 in
Contour Length 84.75 in
Tube ID 1.375 in
Rubber Cut-back
Side 1: 10.12 in
Side 2: 4.12 in
Weight 24 lb
Material Alloy Steel
Performance Specifications
Flow Range 25-45 GPM
Rev per Unit Volume 15.00 Rev/Gal
Speed Range 375-675 RPM
No Load Pressure Loss 145 psi
  XTH RTP
Max Rec Press 1,210 psi 1,100 psi
Torque @ Max Press 220 ft-lbs 200 ft-lbs
Stall Pressure 1,820 psi 1,650 psi
Stall Torque 330 ft-lbs 300 ft-lbs
Stator Minors and Fit (in) at 70°F
  RTP XTH
Group Minor Fit Minor Fit
0 0.852 -0.002
4 0.865 -0.015
7 0.875 -0.025 0.875 -0.025
Reline Lengths (in) Max 99 Min 93 Alternate Stator OD (in): - / -
Torque
Differential Pressure (psi) 0 500 1,000 1,500 Torque (ft-lb) 0
Fit Increase
Change in Temperature (°F) 0 100 200 300 Fit Increase (in) 0
Speed
Differential Pressure (psi) 0 500 1,000 1,500 Speed (RPM) 0
Mechanical Power
Differential Pressure (psi) 0 1,000 Mechanical Power (hp) 0
Torque
Differential Pressure (psi) 0 200 400 600 800 1,000 1,200 1,400 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 0.04 0.05
Speed
25 GPM 35 GPM 45 GPM Differential Pressure (psi) 0 200 400 600 800 1,000 1,200 1,400 Speed (RPM) 0 200 400 600 800
Mechanical Power
25 GPM 35 GPM 45 GPM Differential Pressure (psi) 0 500 1,000 1,500 Mechanical Power (hp) 0 10 20 30
©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.