Model EH-1600 7.5K

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Provides uncompromised performance in a lightweight package for applications in which weight is a critical factor.

Features

  • 7,500 psi rated fluid end
  • Lightweight triplex pump design
  • Fabricated steel power-frame construction
  • Full premium roller-bearing construction
  • Pressurized lubrication system with externally mounted lube pump
  • Forged-steel, inherently balanced crankshaft
  • 24-month limited warranty

Description

The Ellis-Williams™ EH-1600 7.5K pump is a premium pump suitable for land and offshore drilling applications in the 1,600-hp, continuous-duty-rated segment. This lightweight triplex pump is designed for applications in which weight is a critical factor for either transportation or deck loads. The EH-1600 pump weighs up to 40% less than conventional triplex pumps.

Specifications

EH-1600 7.5K
Pump speed, spm
140
130
120
110
100
80
Input power, hp (kW)*
1,687 (1,259)
1,567 (1,169)
1,446 (1,079)
1,326 (989)
1,205 (899)
964 (719)
Piston size, in.
Rated pressure, psi (MPa)
Displacement, gal/rev
Output 
gal/min (bbl/min)
7.50
2,700 (18.6)
6.885
964 (22.9)
895 (21.3)
826 (19.7)
757 (18.0)
688 (16.4)
551 (13.1)
7.00
3,100 (21.4)
5.998
840 (20.0)
780 (18.6)
720 (17.1)
660 (15.7)
600 (14.3)
480 (11.4)
6.50
3,600 (24.8)
5.171
724 (17.2)
672 (16.0)
621 (14.8)
569 (13.5)
517 (12.3)
414 (9.9)
6.00
4,000 (27.6)
4.406
617 (14.7)
573 (13.6)
529 (12.6)
485 (11.5)
441 (10.5)
353 (8.4)
5.75
4,600 (31.7)
4.047
567 (13.5)
526 (12.5)
486 (11.6)
445 (10.6)
405 (9.6)
324 (7.7)
5.50
5,000 (34.5)
3.703
518 (12.3)
481 (11.5)
444 (10.6)
407 (9.7)
370 (8.8)
296 (7.1)
4.50
7,500 (51.7)
2,479
347 (8.2)
322 (7.7)
297 (7.1)
273 (6.5)
248 (5.9)
198 (4.7)

* Input power required assumes 90% mechanical efficiency.

Rated power, hp (kW)
1,600 (1,193.6)
Maximum pump speed, spm
140
Stroke length, in. (mm)
12 (304.8)
Maximum piston size, in. (mm)
7.5 (190.5)
Maximum rated pressure, psi (MPa)
7,500 (51.7)
Fluid-end style
EH-1600
Valve size
API-6M
Suction connections
10 in. flanged (3)
Discharge connections
5-1/8 in. API-10000 (2)
Internal gear ratio
4.413 : 1
Crankcase oil capacity, gal (L)
85 (321.7)
Input shaft diameter, in. (mm)
8.5 (215.9)
Dry weight, lb (kg)
40,600 (18,416)