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6.75” 7/8 Lobes 3 Stages [Slow]

Home  ›  Products  ›  Power Section Spec Sheets  ›  6.75″ 7/8 Lobes 3 Stages [Slow]

Model No: 675783.0

Click for a full page spec sheet suitable for printing

POWER SECTION

ROTOR SPECIFICATIONS
  inch mm
Overall Length 197.5 5017
Conour Length 191.0 4851
Eccentricity 0.255 6.48
Major Diameter 4.570 116.08
Head Diameter 4.000 101.60
   
Weight 570 (lbs) 258.6 (kg)
Material 17-4SS
Thread Form* 2 7/8 API REG

* Alternate or custom thread forms are available

STATOR SPECIFICATIONS
  inch mm
Overall Length 204.0 5182
Rubber Cut Back 7.5 191
Tube O.D. 6.75 171.5
Tube I.D. 5.40 137.2
     
   
Weight 795 (lbs) 361 (kg)
Number of Stages 3.00
Rubber Type NBR-1A, HSN-38, NBR-HR
Tube Material 4142 Seamless Tubing
FIT INFORMATION
NBR-1A & HSN-38 Minor Diameter
Stator Size inch mm
Standard 4.045 102.74
Oversize 4.064 103.23
Double Oversize    
     
 
Nominal Fit at 75 F (25 C)
Standard 0.015 0.38
Oversize -0.004 -0.10
Double Oversize    
FIT INFORMATION
NBR-HR Minor Diameter
Stator Size inch mm
Undersize    
Standard 4.045/td>

102.74
Oversize    
Nominal Fit at 75 F (25 C)
Undersize    
Standard 0.015 0.38
Oversize    

 

PERFORMANCE SPECIFICATIONS PERFORMANCE DETAILS
      NBR-1A and HSN-38 NBR-HR
Torque Slope 16.001 ft-lb/psi 3.146 Nm/kPa Max Diff Press psi (kPa) 450 (3100) 680 (4650)
Flow Range 300 to 600 GPM 1140 to 2270 Litre/min Max Torque ft-lb (Nm) 7200 (9760) 10800 (14640)
Rotation 0.155 Rev/Gal 0.041 Rev/Litre Stall Diff Press psi (kPa) 680 (4650) 1010 (6980)
Speed Range 46 to 93 RPM Stall Torque ft-lb (Nm) 10800 (14640) 16200 (21960)
Off Bottom Press 75 psi 520 kPa Max Recommended HP (kW) 127 (95) 180 (134)

 

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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