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6.75″ 7/8 Lobes 5.7 Stages

Home  ›  Products  ›  Power Section Spec Sheets  ›  6.75″ 7/8 Lobes 5.7 Stages

Model No: DD675785.7 SX2

Click for a full page spec sheet suitable for printing

POWER SECTION

ROTOR SPECIFICATIONS
  inch mm
Overall Length 252.0 6401
Conour Length 245.0 6223
Eccentricity 0.247 6.26
Major Diameter 4.644 117.96
Head Diameter 4.500 114.30
   
Weight 883 (lbs) 400.5 (kg)
Material 17-4SS
Thread Form* 2 7/8 API REG

* Alternate or custom thread forms are available

STATOR SPECIFICATIONS
  inch mm
Overall Length 260.0 6604
Rubber Cut Back 8.0 203
Tube O.D. 6.75 171.5
Tube I.D. 5.50 139.7
     
   
Weight 827 (lbs) 375 (kg)
Number of Stages 5.7
Rubber Type NBR-1A, NBR-HR
Tube Material 4142 Seamless Tubing
FIT INFORMATION
NBR-1A & HSN-38 Minor Diameter
Stator Size inch mm
Standard 4.147 105.33
Oversize 4.180 106.17
Double Oversize
     
 
Nominal Fit at 75 F (25 C)
Standard 0.004 0.10
Oversize -0.029 -0.74
Double Oversize
FIT INFORMATION
NBR-HR Minor Diameter
Stator Size inch mm
Undersize 4.138 105.11
Standard 4.158 105.61
Oversize 4.166 105.82
Nominal Fit at 75 F (25 C)
Undersize 0.013 0.33
Standard -0.007 -0.18
Oversize -0.015 -0.38
Double Oversize

 

PERFORMANCE SPECIFICATIONS PERFORMANCE DETAILS
      NBR-1A and HSN-38 NBR-HR
Torque Slope 10.698 ft-lb/psi 2.104 Nm/kPa Max Diff Press psi (kPa) 860 (5900) 1280 (8840)
Flow Range 300 to 600 GPM 1140 to 2270 Litre/min Max Torque ft-lb (Nm) 9150 (12400) 13720 (18600)
Rotation 0.242 Rev/Gal 0.064 Rev/Litre Stall Diff Press psi (kPa) 1280 (8840) 1920 (13260)
Speed Range 72 to 150 RPM Stall Torque ft-lb (Nm) 13720 (18600) 20580 (27910)
Off Bottom Press 106 psi 730 kPa Max Recommended HP (kW) 253 (188) 355 (265)

 

Operating a power section above the maximum recommended differential pressure will reduce stator life. Performance Curves are for reference only. Actual power section performance may vary depending on the down hole temperature and rotor/stator fit. Performance data are subject to change without notice. Power calculation is based on maximum RPM and full torque. Stator sizes subject to change without notice.

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