Standard Power Sections

  Maximum Recommended Operating Conditions Replaces
Power Sections Configuration Performance Standard Rubber (NBR-1A, HSN-38)  
Size Model Number Tube OD/ID Stator Length     Speed
REV Per 		Torque
ft-lb/psi		 Max Pressure Diff Torque Power Dyna-Drill R&M Mono / PV Roper Drillex Weatherford
inch in (mm) Lobes Stages GAL (Liter) (N.M./Kpa) RPM psi (kPa) ft-lb (Nm) hp (kW)
1.68" DD168562.3 1.68 (1.29) 60.0 (1524) 5:6 2.3 9.250 (2.444) 0.27 (0.054) 370 350 (2380) 90 (130)      7      (5)   X        
DD168564.0 1.68 (1.37) 57.6 (1462) 5:6 4.0 16.314 (4.310) 0.17 (0.033) 660 600 (4140) 100 (140)    12    (9)   X     X  
2.13" DD213564.0 2.12 (1.75) 66.5 (1689) 5:6 4.0 9.574 (2.529) 0.27 (0.053) 390 600 (4140) 160 (220)    12     (9)   X     X  
2.38" DD238564.0 2.37 (1.87) 71.6 (1819) 5:6 4.0 7.175 (1.895) 0.36 (0.070) 580 600 (4140) 210 (290) 23 (18)         X  
2.87" DD287562.6 2.87 (2.44) 117.0 (2972) 5:6 2.6 2.300 (0.608) 1.02 (0.200) 210 390 (2690) 400 (540) 16 (12) X          
DD287567.0 2.87 (2.37) 117.0 (2972) 5:6 7.0 5.740 (1.516) 0.48 (0.095) 520 1050 (7240) 510 (690) 50 (38)   X        
DD287783.5 2.87 (2.31) 80.0 (2032) 7:8 3.5 4.000 (1.057) 0.65 (0.128) 320 530 (3620) 340 (460) 21 (16)   X        
3.38" DD338783.0 3.37 (2.75) 124.0 (3150) 7:8 3.0 1.390 (0.367) 1.87 (0.368) 160 450 (3100) 840 (1140) 24 (19)   X        
3.50" DD350563.0 3.50 (2.75) 79.8 (2026) 5:6 3.0 2.372 (0.627) 1.11 (0.218) 270 450 (3100) 500 (680) 25 (19)   X     X  
DD350784.3 3.50 (2.75) 133.8 (3397) 7:8 4.3 1.846 (0.488) 1.43 (0.281) 210 650 (4450) 920 (1250) 36 (27)   X        
3.75" DD375238.0 3.75 (3.00) 135.0 (3429) 2:3 8.0 5.800 (1.532) 0.48 (0.095) 930 1200 (8270) 580 (790) 102 (78) X          
DD375453.5 3.75 (3.00) 135.0 (3429) 4:5 3.5 1.550 (0.409) 1.82 (0.358) 250 530 (3620) 960 (1300) 45 (34)   X X X    
DD375563.8 3.75 (3.00) 80.5 (2045) 5:6 3.8 2.275 (0.601) 1.24 (0.243) 460 570 (3930) 700 (950) 61 (46)   X        
DD375564.2 3.75 (3.00) 160.0 (4064) 5:6 4.2 1.563 (0.413) 1.67 (0.328) 250 630 (4340) 1050 (1420) 50 (38) X          
DD375782.3 3.75 (3.00) 141.0 (3581) 7:8 2.3 0.768 (0.203) 3.22 (0.633) 130 350 (2380) 1110 (1510) 26 (20)   X X X    
DD375786.7 3.75 (3.00) 180.0 (4572) 7:8 6.7 1.613 (0.426) 1.63 (0.321) 260 1010 (6930) 1640 (2230) 81 (61)   X        
DD3757810.1 3.75 (3.00)