WS SERIES


Simply Reliable • Quiet • Energy Efficient • Small Footprint • and Easy to Maintain

The WS series of double screw air compressors are developed based on the previous proven LS-16 series. The product combines brand new industrial design and integrated structure such as the overall enclosure structure, optimized pneumatic inlet and discharge designs, use of the U.S. OEM compressor air end, high efficiency NEMA motor as well as the electronic automatic displacement system.

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  • 5 years warranty on Screw block
  • Centrifugal Cooling fan with high efficiency
  • TEFC IP 55 High Efficiency Motor
  • Microcomputer Controller
  • OptimalairTM with best efficiency
  • Fully-sealed protection pan
  • Sullair Special Fluid

WS Series

Model Motor Max. Discharge Pressure (bar)
Dimensions
(mm)
Weight
(kgs)
Discharge
Connection
HP kW 7.6 8.6
10.6 12.6
Capacity m³/min (50 Hz)
WS 1800 25 18 3.20 2.90 2.60 2.20 1350 x 800 x 1350 610 Rc 1  1/2
WS 2200 30 22 3.75 3.55 3.10 2.70 1350 x 800 x 1350 680 Rc 1  1/2
WS 3000 40 30 5.10 4.75 4.10 3.40 1574 x 875 x 1562 820 Rc 1  1/2
WS 3700 50 37 6.80 6.30 5.80 5.10 1020 Rc 1  1/2
WS 4500 60 45 8.50 7.80 6.90 5.65 1249 G2
WS 4500 PS 60 45 8.60 7.85 - - 1249 G2
WS 5500 75 55 10.50 9.50 8.60 7.66 1297 G2
WS 5500 PS 75 55 11.20 10.00 - - 1297 G2
WS 7500 100 75 13.50 12.50 11.10 - 1350 G2
WS 7500 PS 100 75 14.70 13.70 12.40 10.80 1488 G2
WS 1800 VSD 25 18 - 1.0-3.0 0.8-2.6 0.7-2.2 RC 1  1/2
WS 2200 VSD 30 22 - 1.2-3.6 1.0-3.1 0.9-0.8 RC 1  1/2
WS 3000 VSD 40 30 - 1.6-4.75 1.4-4.25 1.2-3.7 RC 1  1/2
WS 3700 VSD 50 37 2.3-6.8 2.1-6.3 1.9-5.8 1.7-5.1 RC 1  1/2
WS 4500 VSD 60 45 1.95-8.5 1.92-7.93 1.9-6.9 1.78-5.65 G2
WS 5500 VSD 75 55 2.52-10.6 2.54-9.85 2.13-8.6 2.09-7.73 G2
WS 7500 VSD 100 75 3.25-13.5 3.29-12.55 2.79-11.1 - G2
WS 5500 P VSD 100 75 3.55-14.8 3.55-13.7 2.71-12 2.71-10.8 G2
WS 7500 PS VSD 100 75 1.75-14.8 1.78-13.7 1.36-12 1.36-10.8 G2
*Capacity per GB 3853 (Annex C to ISO 1217)
NOTE: Data subject to change without notice
  • WS Series can be supplied with Variables Speed Drive (VSD)
  • Motor with IE3 , IP 55 and TEFC
  • Sequencer Controller