Power Section Specification (Metric)
475-4563
120.7 mm 4:5 Lobes 6.3 Stages
Rotor Specifications
Overall Length 4775.2 mm
Avg. Diameter 61.47 mm
Contour Length 4622.8 mm
Eccentricity 6.25 mm
Major Diameter 73.96 mm
Head Diameter 69.85 mm
Head Length 152.4 mm
Weight 117 kg
Thread Form 2 3/8" HEF
Stator Specifications
Overall Length 5273.5 mm
Tube OD 120.65 mm
Contour Length 4572.0 mm
Tube ID 95.25 mm
Rubber Cut-back
Side 1: 279.4 mm
Side 2: 422.1 mm
Weight 193 kg
Material Alloy Steel
Performance Specifications
Flow Range 379-1041 LPM
Rev per Unit Volume 0.25 Rev/L
Speed Range 96-264 RPM
No Load Pressure Loss 586 kPa
  POB XTH PRR
Max Rec Press 9,220 kPa 10,140 kPa 9,220 kPa
Torque @ Max Press 5,320 N-m 5,860 N-m 5,320 N-m
Stall Pressure 13,830 kPa 15,210 kPa 13,830 kPa
Stall Torque 7,980 N-m 8,780 N-m 7,980 N-m
Stator Minors and Fit (mm) at 21°C
  PRR POB XTH
Group Minor Fit Minor Fit Minor Fit
0 61.65 -0.18 61.65 -0.18 61.65 -0.18
7 62.48 -1.02 62.48 -1.02 62.48 -1.02
Reline Lengths (mm) Max 5274 Min 5121 Alternate Stator OD (mm): 127.0 / -
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
379 LPM 710 LPM 1041 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
379 LPM 710 LPM 1041 LPM Differential Pressure (kPa) 0 5,000 10,000 15,000 Mechanical Power (Kw) 0 50 100 150
©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.