DATUM® Centrifugal Compressors

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Designed for Efficiency, Reliability and Ease of Maintenance

The DATUM® line of centrifugal compressors was designed for maximum performance in all pressure and flow applications. Their unmatched efficiency, reliability, and ease of maintenance make them the most advanced turbocompressors available for the oil, gas, and process industries.

DATUM centrifugal compressors are available in 15 different sizes with discharge pressures ranging up to more than 15,000 psig (1000 bar), maximum flow rates from 5,400 cfm (9,200 m3/h) to 700,000 cfm (1,200,000 m3/h), and power ratings to more than 120,000 bhp (90 MW). Cases can be split axially (900 psig max.) or radially (15,000 psig max.) and are available in a variety of configurations and connection orientations.

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Axially Split Cases

Frame Overall Length
in (mm)
Overall Height
in (mm)
Overall Width
in (mm)
Height of Top Half
in (mm)
Weight in LBS x 103(Kgs x 103)
6A 52 – 63 (1,320 – 1,600) 38.5 (980) 42 (1,070) 24 (610) 14.0 – 22.0 (6.3 – 10)
8A 58 – 73 (1,470 – 1,850) 45 (1,140) 48 (1,140) 28 (710) 19.0 – 29.5 (8.6 – 14)
10A 65 – 85 (1,650 – 2,160) 51.5 (1,310) 56 (1,420) 31 (810) 24.5 – 40.0 (11.1 – 18)
12A 76- 98 (1,930 – 2,490) 59.5 (1,510) 65 (1,650) 37 (940) 28.0 – 53.5 (12.5 – 24)
14A 88 – 114 (2,230 – 2,890) 70 (1,780) 75 (1,910) 44 (1,180) 45.0 – 72.0 (20.5 – 33)
16A 96 – 132 (2,440 – 3,350) 80.5 (2,050) 84 (2,130) 51 (1,300) 56.5 – 95.0 (25.5 – 43)
18A 97 – 154 (2,460 – 3,910) 92 (2,340) 92 (2,340) 59 (1,500) 66.5 – 131.5 (30 – 60)
20A 109 – 178 (2,770 – 4,250) 106.5 (2,710) 107 (2,720) 68 (1,730) 86.5 – 176.0 (39 – 80)
22A 132 – 207 (3,350 – 5,260) 124 (3,150) 123 (3,120) 79 (2,010) 121.5 – 237.5 (55 – 108)
24A 147 – 240 (3,730 – 6,100) 144 (3,660) 140 (3,560) 92 (2,340) 151.5 – 310.5 (69 – 141)
26A 161 – 279 (4,090 – 7,090 163.5 (4,150) 151 (3,840) 106 (2,690) 199.5 – 411.5 (90 – 187)
28A 172 – 323 (4,360 – 8,200) 189 (4,800) 170 (4,340) 123 (3,120) 239.0 – 562.5 (108 – 255)
30A 200 – 375 (5,080 – 9,525) 219 (5,563) 197 (5,004) 143 (3,632) 375 – 877 (170 – 399)

Radially Split Cases

Frame Overall Length
in (mm)
Overall Height
in (mm)
Overall Width
in (mm)
Height of Top Half
in (mm)
Weight in LBS x 103(Kgs x 103)
2R 38 – 47 (970 – 1,200) 33.5 (850) 35 (890) 21 (530) 6.5 – 10.0 (3 – 4.5)
4R 45 – 54 (1,140 – 1,370) 33.5 (850) 35 (890) 21 (530) 9.0 – 13.8 (4 – 6.3)
6R 52 – 63 (1,320 – 1,600) 38.5 (980) 39 (990) 24 (610) 12.0 – 18.5 (6.3 – 10)
8R 58 – 73 (1,470 – 1,850) 45 (1,140) 47 (1,190) 28 (710) 15.5 – 25.0 (7 – 11.5)
10R 65 – 85 (1,650 – 2,160) 51.5 (1,310) 53 (1,350) 32 (810) 20.0 – 34.0 (9 – 15.5)
12R 76 – 98 (1,930 – 2,490) 59.5 (1,510) 58 (1,470) 37 (940) 27.0 – 45.5 (12 – 21)
14R 88 – 114 (2,230 – 2,890) 70 (1,780) 67 (1,700) 44 (1,180) 36.5 – 61.5 (16.5 – 28)
16R 96 – 132 (2,440 – 3,350) 80.5 (2,050) 75 (1,910) 51 (1,300) 46.0 – 82.5 (21 – 37.5)
18R 97 – 154 (2,460 – 3,910) 92 (2,340) 82 (2,080) 59 (1,500) 54. 0 – 112.0 (25 – 51)
20R 109 – 178 (2,770 – 4,250) 106.5 (2,710) 95 (2,410) 68 (1,730) 70.5 – 150.0 (32 – 68)
22R 132 – 207 (3,350 – 5,260) 124 (3,150) 110 (2,790) 79 (2,010) 121.5 – 237.5 (55 – 108)
24R 147 – 240 (3,730 – 6,100) 144 (3,660) 124 (3,150) 92 (2,340) 99.5 – 202.5 (45 – 92)
26R 161 – 279 (4,090 – 7,090 163.5 (4,150) 135 (3,430) 106 (2,690) 128.5 – 272.5 (58 – 124)
28R 172 – 323 (4,360 – 8,200) 189 (4,800) 152 (3,860) 123 (3,120) 202.0 – 494.0 (92 – 224)
30R 200 – 375 (5,080 – 9,525) 219 (5,563) 176 (4,479) 143 (3,632) 315 – 771 (143 – 350)

Note: All weights and dimensions are estimated; weight variation is linked to the number of stages and design pressure of the compressor.

Typical applications

  • Oil and gas production — gas gathering, liquid recovery, gas lift, gas injection, pipeline boosters, gas storage, recompression, and reinjection
  • Refining — wet gas, hydrogen, coker, and other hydrocarbon and utility gases
  • Ethylene — charge gas, ethylene, and propane/ propylene refrigeration
  • Methanol — feed gas and syngas
  • LNG — mixed refrigerant, propane, methane, nitrogen, and feed gas compression
  • Ammonia — feed gas, syngas, refrigeration, and air compression
  • Urea — CO2 compression
  • Air separation — nitrogen feed, recycle, and air services
  • Enhanced oil recovery — CO2 and N02