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Ws04 75 Specifications, Features & Compatibility Guide

7 m³/min free air delivery for heavy-duty industrial assembly.This stationary floor-mounted unit utilizes a direct drive transmission to reach 13 bar pressure while operating at a noise level of 67 dB(A), making it suitable for placement near manufacturing work areas.

Quick Answer

Yes, you should strongly consider the Sullair WS04‑75 if your Indian industrial facility requires consistent, high-volume compressed air for heavy-duty assembly. Its 75 kW motor provides 14.7 m³/min free air delivery at 13 bar, perfect for continuous operation. The low 67 dB(A) noise level makes it viable for placement near work areas, optimizing plant layout without sacrificing efficiency or quietness in demanding manufacturing environments.

The Sullair WS04‑75 is an excellent investment for Indian industries seeking reliable, quiet, and high-pressure air for heavy-duty manufacturing. However, facilities prioritizing initial low capital expenditure over the proven long-term operational efficiency and performance of a 75 kW direct-drive unit might find it less suitable.

✓ Who Should Buy

  • • performance suitable for residential spaces.
  • •Verified efficiency of standard rating for reduced long-term operational costs.
  • •Structural stability for consistent cleaning under rigorous use cases.
  • •Hardware durability via premium components and advanced technology.
  • •Built-in grid protection with Standard power cycle voltage management.

✕ Who Should Avoid

  • •Spaces or usage requirements exceeding residential rated capacity.
  • •Installations prioritizing minimum capital expenditure over high-efficiency performance.
  • •Unstable grid conditions exceeding the functional threshold of Standard power cycle.
  • •Environments incompatible with compressors physical and thermal dissipation specs.
Product Overview
The Sullair WS04‑75 is a 75 kW oil-injected rotary screw compressor engineered to provide a constant 14.7 m³/min free air delivery for heavy-duty industrial assembly. This stationary floor-mounted unit utilizes a direct drive transmission to reach 13 bar pressure while operating at a noise level of 67 dB(A), making it suitable for placement near manufacturing work areas. With a 380-415 V three-phase power requirement and 60 Hz frequency, the WS04‑75 supports continuous run duty cycles for pneumatic actuators and sandblasters. The inclusion of a smart controller with self-diagnostics and alarm indications ensures that the 75 kW motor stays within thermal protection limits during high-demand shifts. Its powder-coated metal industrial enclosure includes anti-vibration mounts and noise insulation to maintain a stable 67 dB(A) output during peak 13 bar operation. Each unit is supplied as a compressor-only package, requiring an external tank to manage the 14,700 LPM peak capacity.

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Engineering Analysis
The integration of a 75 kW high-efficiency industrial motor with a direct drive system in the WS04‑75 eliminates energy losses associated with belt slippage, ensuring the full 519.6 CFM airflow reaches the moisture separator. By utilizing an oil-injected rotary screw pump, the unit achieves a maximum pressure of 13 bar, which is essential for heavy machinery pneumatic systems requiring consistent force. The 67 dB(A) noise rating is achieved through specialized noise insulation within the stationary metal enclosure, allowing the 75 kW motor to run continuously without exceeding industrial sound safety thresholds. A dedicated moisture separator and regulator work alongside the smart controller to prevent pressure drops below the required 14.7 m³/min output during multi-tool operation. The 5-year warranty on major components, motor, and pump reflects the durability of the direct drive coupling under a 100% continuous duty cycle using Sullube lubricant.

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