Power Section Specification (Metric)
375-7867
95.25 mm 7:8 Lobes 6.7 Stages
Rotor Specifications
Overall Length 4368.8 mm
Avg. Diameter 51.31 mm
Contour Length 4191.0 mm
Eccentricity 3.17 mm
Major Diameter 57.66 mm
Head Diameter 50.80 mm
Head Length 177.8 mm
Weight 69 kg
Thread Form 1.375-5 NOIHT
Stator Specifications
Overall Length 4572.0 mm
Tube OD 95.25 mm
Contour Length 4165.6 mm
Tube ID 76.20 mm
Rubber Cut-back
Side 1: 203.2 mm
Side 2: 203.2 mm
Weight 101 kg
Material Alloy Steel
Performance Specifications
Flow Range 303-662 LPM
Rev per Unit Volume 0.43 Rev/L
Speed Range 129-282 RPM
No Load Pressure Loss 862 kPa
  RTP PRR
Max Rec Press 10,950 kPa 10,950 kPa
Torque @ Max Press 3,510 N-m 3,510 N-m
Stall Pressure 16,420 kPa 16,420 kPa
Stall Torque 5,260 N-m 5,260 N-m
Stator Minors and Fit (mm) at 21°C
  PRR RTP
Group Minor Fit Minor Fit
4 51.08 0.23 51.10 0.20
Reline Lengths (mm) Max 4572 Min 4420 Alternate Stator OD (mm): - / -
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 12,000 Torque (Nm) 0 1,000 2,000 3,000 4,000
Fit Increase
Change in Temperature (°C) 0 50 100 150 200 Fit Increase (mm) 0 0.5 1 1.5 2
Speed
303 LPM 483 LPM 662 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
303 LPM 483 LPM 662 LPM Differential Pressure (kPa) 0 5,000 10,000 15,000 Mechanical Power (Kw) 0 50 100
©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.