WALTER SF 45 DSP screw compressor power input 45 kW, air delivery 3.66–9.14 m³/min at 8 bar, two-stage, IE5 motor, 7-year warranty
Code: SF-45-DSP
Product detailed description
Two-stage screw compressor WALTER SF 45 DSP with G 2″ connection
The SF 45 DSP is the first model in the range with a larger housing and G 2″ connection. At 8 bar it delivers up to 9.14 m³/min, at 10 bar 8.11 and at 13 bar 6.52 m³/min.
The 2,132 × 1,318 × 1,600 mm housing is shared with the SF 55 DSP. Compared to the single-stage SF 45 KSP, which delivers 7.51 m³/min, this is 22% more air at 8 bar.
Configuration of this machine
- Two-stage screw block · direct drive 1:1 · IE5 magnetic motor with inverter
- Three pressures: 8, 10 and 13 bar
- Housing shared with SF 55 DSP, weight 1,144 kg
- G 2″ connection, 65 dB(A) noise level
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit
Who it suits
For medium-sized operations with several appliances running at once, where 37 kW is no longer sufficient. Compared to the SF 37 DSP, it delivers 22% more air at the same noise level of 65 dB(A).
When to choose a different model
Even more power
SF 55 DSP is in the same housing and delivers up to 11.86 m³/min at 8 bar.
Constant demand
If consumption does not fluctuate during the shift, a single-stage SK 45 KSP with fixed speed is sufficient. At 8 bar it delivers 7.51 m³/min and weighs 690 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 wide is the control range?
- At 8 bar from 3.66 to 9.14 m³/min. The inverter continuously matches the output to the demand.
- What is the connection?
- G 2″, i.e. one size larger than on models up to 37 kW.
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’s advice
From 45 kW onwards, a larger connection and a significantly larger cabinet are added. Before ordering the machine, check the doorway width and the floor load capacity: 1,144 kg.
Additional parameters
| Category: | Air compressors |
|---|---|
| Warranty: | 7 let |
| Compressor type: | Screw compressor |
| Pressure: | 8 bar, 10 bars, 13 bar |
| Air delivery: | 9 140 l/min |
| Pressure vessel volume: | It isn't |
| Connecting: | 2" |
| Motor power: | 45 kW |
| Mains voltage: | 400/50 V/Hz |
| Lubrication: | Oleic |
| Noise: | 65 dB(A) |
| Weight: | 1 144 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.
- Reciprocating compressors: these compressors are robust and reliable, suitable for smaller applications and workshops where high flexibility and low running costs are required.
- 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.
