WALTER SF 185 DSP Screw Compressor power input 185 kW, air delivery 15–36.6 m³/min at 8 bar, two-stage, IE5 motor, 7-year warranty
Code: SF-185-DSPProduct detailed description
Two-stage screw compressor WALTER SF 185 DSP
The SF 185 DSP has a housing of 3,970 × 2,190 × 2,265 mm and the same connection DN 100 as the SF 160 DSP. At 8 bar it delivers up to 36.6 m³/min, at 10 bar 32.9 and at 13 bar 26.71 m³/min.
The single-stage SF 185 KSP delivers 29 m³/min at 8 bar, this model 26% more. The noise level of 76 dB(A) is the same as for the SF 160 DSP.
Configuration of this machine
- Two-stage screw block · direct drive 1:1 · IE5 magnetic motor with inverter
- Three pressures: 8, 10 and 13 bar
- Own housing 3,970 × 2,190 × 2,265 mm, weight 4,650 kg
- Connection DN 100, noise level 76 dB(A)
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit


Who it suits
For operations with consumption of up to 32.9 m³/min at 10 bar that need a reserve over the SF 160 DSP. The regulation range at 13 bar is 10.6–26.71 m³/min.
When to choose a different model
Lower output
SF 160 DSP has a shorter housing (3,108 × 1,940 × 2,060 mm) and delivers up to 33.3 m³/min at 8 bar.
More air
SF 250 DSP delivers up to 51.4 m³/min at 8 bar, in a housing of 4,400 × 2,240 × 2,340 mm and with a weight of 6,450 kg.
What the parameters imply — calculated values
The values are calculated from the maximum air delivery at 8 bar and serve for comparing models with each other, not as a guaranteed value.
Frequently asked questions
- How much does the machine weigh?
- 4,650 kg.
- How does it differ from the SF 160 DSP?
- Higher output and a longer housing (3,970 × 2,190 × 2,265 mm versus 3,108 × 1,940 × 2,060 mm). The DN 100 connection and the 76 dB(A) noise level are the same.
The machine is covered by a 7-year warranty on the entire machine. Warranty terms, maintenance, and a comparison of all 13 models can be found in the category WALTER SF DSP screw compressors: two-stage compression.
Ventilek advises
The housing length of 3,970 mm determines whether the machine will fit through the compressor room door. Measure this before selecting it.
Additional parameters
| Category: | Air compressors |
|---|---|
| Warranty: | 7 let |
| Compressor type: | Screw compressor |
| Pressure: | 8 bar, 10 bars, 13 bar |
| Air delivery: | 36 600 l/min |
| Pressure vessel volume: | It isn't |
| Connecting: | DN100 |
| Motor power: | 185 kW |
| Mains voltage: | 400/50 V/Hz |
| Lubrication: | Oleic |
| Noise: | 76 dB(A) |
| Weight: | 4 650 kg |
| Engine: | Electric |
| Drive: | Direct |
| Air dryer: | No |
| Retrieved from: | Professional |
| Development: | Stationary |
| Inverter: | Yes |
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WALTER Kompressortechnik - Innovative Solutions for Compressors
- About the company WALTER: WALTER Kompressortechnik is a renowned manufacturer of air compressors and accessories, known for its quality, reliability and innovative technologies. The company focuses on providing highly efficient solutions for various industries.
- Product portfolio:
- Screw compressors: we offer a wide range of screw compressors that are designed for maximum energy efficiency and long life. Ideal for high demanding industrial applications.
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- Mobile compressors: lightweight and easily portable compressors that allow easy use in a variety of locations, ideal for construction and field work.
- Scroll and special compressors: provide quiet operation and are suitable for specific applications requiring minimal vibration and noise.
- Innovation and quality: WALTER emphasizes continuous development and improvement of its products to ensure maximum customer satisfaction. Their compressors are equipped with advanced technologies to optimise performance and save energy.
- Customer support and service: the company offers comprehensive service, including installation, maintenance and diagnostics, ensuring the long-term reliability and efficiency of their equipment.

