Power Section Specification (Metric)
800-7859
203.2 mm 7:8 Lobes 5.9 Stages
Rotor Specifications
Overall Length 7442.2 mm
Avg. Diameter 117.07 mm
Contour Length 7213.6 mm
Eccentricity 7.33 mm
Major Diameter 131.72 mm
Head Diameter 139.70 mm
Head Length 228.6 mm
Weight 630 kg
Thread Form 3.500 NOIHT
Stator Specifications
Overall Length 7620.0 mm
Tube OD 203.20 mm
Contour Length 7137.4 mm
Tube ID 158.75 mm
Rubber Cut-back
Side 1: 203.2 mm
Side 2: 279.4 mm
Weight 806 kg
Material Alloy Steel
Performance Specifications
Flow Range 1514-3785 LPM
Rev per Unit Volume 0.04 Rev/L
Speed Range 61-154 RPM
No Load Pressure Loss 1158 kPa
  XTH
Max Rec Press 10,520 kPa
Torque @ Max Press 32,550 N-m
Stall Pressure 15,780 kPa
Stall Torque 53,100 N-m
Stator Minors and Fit (mm) at 21°C
  XTH
Group Minor Fit
0 116.69 0.38
Reline Lengths (mm) Max 7620 Min 7468 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 10,000 Speed (RPM) 0
Mechanical Power
Differential Pressure (kPa) 0 10,000 20,000 Mechanical Power (Kw) 0
Torque
Differential Pressure (kPa) 0 5,000 10,000 15,000 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
1514 LPM 2650 LPM 3785 LPM Differential Pressure (kPa) 0 5,000 10,000 15,000 Speed (RPM) 0 50 100 150 200
Mechanical Power
1514 LPM 2650 LPM 3785 LPM Differential Pressure (kPa) 0 5,000 10,000 15,000 20,000 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.