Power Section Specification
700-56111
7" 5:6 Lobes 11.1 Stages
Rotor Specifications
Overall Length 263.00 in
Avg. Diameter 3.878 in
Contour Length 256.00 in
Eccentricity 0.321 in
Major Diameter 4.520 in
Head Diameter 4.000 in
Head Length 7.00 in
Weight 829 lb
Thread Form 1.875" - 4 Stub ACME
Stator Specifications
Overall Length 270.00 in
Tube OD 7.00 in
Contour Length 254.00 in
Tube ID 5.750 in
Rubber Cut-back
Side 1: 8.00 in
Side 2: 8.00 in
Weight 1061 lb
Material Alloy Steel
Performance Specifications
Flow Range 500-750 GPM
Rev per Unit Volume 0.45 Rev/Gal
Speed Range 226-339 RPM
No Load Pressure Loss 157 psi
  POB XTH
Max Rec Press 2,450 psi 2,690 psi
Torque @ Max Press 14,890 ft-lbs 16,380 ft-lbs
Stall Pressure 3,670 psi 4,040 psi
Stall Torque 22,330 ft-lbs 24,560 ft-lbs
Stator Minors and Fit (in) at 70°F
  POB XTH
Group Minor Fit Minor Fit
0 3.879 -0.001
6 3.894 -0.016 3.894 -0.016
Reline Lengths (in) Max 270 Min 264 Alternate Stator OD (in): - / -
Torque
Differential Pressure (psi) 0 2,000 Torque (ft-lb) 0
Fit Increase
Change in Temperature (°F) 0 100 200 300 Fit Increase (in) 0
Speed
Differential Pressure (psi) 0 1,000 2,000 3,000 Speed (RPM) 0
Mechanical Power
Differential Pressure (psi) 0 2,000 Mechanical Power (hp) 0
Torque
Differential Pressure (psi) 0 500 1,000 1,500 2,000 2,500 3,000 Torque (ft-lb) 0 5,000 10,000 15,000
Fit Increase
Change in Temperature (°F) 0 50 100 150 200 250 300 350 Fit Increase (in) 0 0.02 0.04 0.06 0.08 0.1
Speed
500 GPM 625 GPM 750 GPM Differential Pressure (psi) 0 500 1,000 1,500 2,000 2,500 3,000 Speed (RPM) 0 100 200 300 400
Mechanical Power
500 GPM 625 GPM 750 GPM Differential Pressure (psi) 0 500 1,000 1,500 2,000 2,500 3,000 3,500 Mechanical Power (hp) 0 200 400 600 800 1,000
©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.