Power Section Specification (Metric)
962-7848
244.5 mm 7:8 Lobes 4.8 Stages
Rotor Specifications
Overall Length 5981.7 mm
Avg. Diameter 143.80 mm
Contour Length 5753.1 mm
Eccentricity 8.96 mm
Major Diameter 161.72 mm
Head Diameter 139.70 mm
Head Length 228.6 mm
Weight 762 kg
Thread Form 4 1/2"-5 API Reg
Stator Specifications
Overall Length 6388.1 mm
Tube OD 244.35 mm
Contour Length 5753.1 mm
Tube ID 200.02 mm
Rubber Cut-back
Side 1: 317.5 mm
Side 2: 317.5 mm
Weight 846 kg
Material Alloy Steel
Performance Specifications
Flow Range 2271-4542 LPM
Rev per Unit Volume 0.03 Rev/L
Speed Range 64-129 RPM
No Load Pressure Loss 1255 kPa
  POB XTH
Max Rec Press 7,840 kPa 8,630 kPa
Torque @ Max Press 37,510 N-m 41,260 N-m
Stall Pressure 11,760 kPa 12,940 kPa
Stall Torque 56,270 N-m 61,900 N-m
Stator Minors and Fit (mm) at 21°C
  POB XTH
Group Minor Fit Minor Fit
0 143.10 0.70 142.95 0.85
4 144.32 -0.52 144.27 -0.47
Reline Lengths (mm) Max 6388 Min 6236 Alternate Stator OD (mm): 285.8 / -
Torque
Differential Pressure (kPa) 0 5,000 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 Torque (Nm) 0 10,000 20,000 30,000 40,000 50,000
Fit Increase
Change in Temperature (°C) 0 50 100 150 200 Fit Increase (mm) 0 1 2 3
Speed
2271 LPM 3407 LPM 4542 LPM Differential Pressure (kPa) 0 2,000 4,000 6,000 8,000 10,000 Speed (RPM) 0 50 100 150
Mechanical Power
2271 LPM 3407 LPM 4542 LPM Differential Pressure (kPa) 0 5,000 10,000 Mechanical Power (Kw) 0 200 400 600
©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.