Power Section Specification (Metric)
500-6760
127 mm 6:7 Lobes 6.0 Stages
Rotor Specifications
Overall Length 4559.3 mm
Avg. Diameter 67.23 mm
Contour Length 4406.9 mm
Eccentricity 4.86 mm
Major Diameter 76.95 mm
Head Diameter 69.85 mm
Head Length 152.4 mm
Weight 126 kg
Thread Form 2 3/8" HEF
Stator Specifications
Overall Length 4699.0 mm
Tube OD 127.00 mm
Contour Length 4292.6 mm
Tube ID 101.60 mm
Rubber Cut-back
Side 1: 203.2 mm
Side 2: 203.2 mm
Weight 186 kg
Material Alloy Steel
Performance Specifications
Flow Range 568-1325 LPM
Rev per Unit Volume 0.22 Rev/L
Speed Range 125-291 RPM
No Load Pressure Loss 951 kPa
  POB XTH PRR
Max Rec Press 9,460 kPa 10,410 kPa 9,460 kPa
Torque @ Max Press 6,010 N-m 6,620 N-m 6,010 N-m
Stall Pressure 14,200 kPa 15,610 kPa 14,200 kPa
Stall Torque 9,020 N-m 9,920 N-m 9,020 N-m
Stator Minors and Fit (mm) at 21°C
  PRR POB XTH
Group Minor Fit Minor Fit Minor Fit
0 67.21 0.02 67.21 0.02 67.21 0.02
4 67.84 -0.62 67.84 -0.62
7 68.33 -1.10 68.33 -1.10 68.33 -1.10
Reline Lengths (mm) Max 4699 Min 4547 Alternate Stator OD (mm): - / -
Torque
Differential Pressure (kPa) 0 10,000 Torque (Nm) 0
Fit Increase
Change in Temperature (°C) 0 100 200 Fit Increase (mm) 0
Speed
Differential Pressure (kPa) 0 5,000 10,000 Speed (RPM) 0
Mechanical Power
Differential Pressure (kPa) 0 10,000 Mechanical Power (Kw) 0
Torque
Differential Pressure (kPa) 0 2,000 4,000 6,000 8,000 10,000 12,000 Torque (Nm) 0 2,000 4,000 6,000 8,000
Fit Increase
Change in Temperature (°C) 0 50 100 150 200 Fit Increase (mm) 0 1 2 3
Speed
568 LPM 946 LPM 1325 LPM Differential Pressure (kPa) 0 2,000 4,000 6,000 8,000 10,000 12,000 Speed (RPM) 0 100 200 300
Mechanical Power
568 LPM 946 LPM 1325 LPM Differential Pressure (kPa) 0 5,000 10,000 15,000 Mechanical Power (Kw) 0 50 100 150 200 250
©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.