Screw compressor WALTER SK 45 KSP power input 45 kW, air delivery 7.51 m³/min at 8 bar, direct drive, fixed speed, 7-year warranty
Code: SK-45-KSP
Product detailed description
Screw compressor WALTER SK 45 KSP, the most powerful model in the 1,500 × 1,030 mm housing
The SK 45 KSP is the most powerful of three models in the 1,500 × 1,030 × 1,280 mm housing and the last in the range with a G 1½″ connection. At 8 bar it delivers 7.51 m³/min, at 10 bar 7.1, and at 13 bar 6.05 m³/min.
It weighs 690 kg, i.e. 99 kg more than the SK 37 KSP and 172 kg more than the SK 30 KSP. Noise level of 66 dB(A) is the same for all three.
Configuration of this machine
- Screw element coupled directly to the motor · fixed speed without inverter · three-stage oil separation
- Air delivery of 7.51 m³/min at 8 bar, 7.1 at 10 bar and 6.05 at 13 bar
- Housing shared with the SK 30 KSP and SK 37 KSP, weight 690 kg
- Connection G 1½″, noise level 66 dB(A)
- Power supply 400 V / 3 / 50 Hz, WALTER CONTROLLER control unit
Who it suits
Suitable for operation with higher continuous demand that still fits into the 1,500 × 1,030 mm housing. The next size up, in a 2,158 × 1,331 × 1,600 mm housing with a G 2″ connection, is the SK 55 KSP.
When to choose a different model
Two-stage compression
More air from the same power input is delivered by the two-stage SF 45 DSP: at 8 bar up to 9.14 m³/min, i.e. 22% more. However, it is in a larger housing (2,132 × 1,318 × 1,600 mm) with a G 2″ connection and weighs 1,144 kg.
Demand fluctuates
The SF 45 KSP has an inverter at the same power input. The 1,500 × 1,030 × 1,280 mm housing, weight of 690 kg, and maximum air delivery of 7.51 m³/min at 8 bar are the same, while the air delivery is smoothly regulated within the range of 2.95–7.51 m³/min.
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
- Why doesn't the SK 45 KSP have an inverter?
- It is designed for constant demand, where an inverter would not compensate for anything. The airend is directly coupled to the motor and the speed is fixed, which keeps the design simple.
- How much air does the SK 45 KSP deliver at 13 bar?
- At 13 bar it delivers 6.05 m³/min, i.e. 81% of the air delivery at 8 bar (7.51 m³/min).
The machine is covered by a 7-year warranty on the entire machine. Warranty conditions, maintenance, and a comparison of all 17 models can be found in the category WALTER SK KSP screw compressors: direct drive without losses.
Ventilek’s advice
The 1,500 × 1,030 mm cabinet ends with the SK 45 KSP. The next size brings a significantly larger cabinet, so it is worth taking this into account when planning the compressor room.
Additional parameters
| Category: | Air compressors |
|---|---|
| Warranty: | 7 let |
| Compressor type: | Screw compressor |
| Pressure: | 8 bar, 10 bars, 13 bar |
| Air delivery: | 7 510 l/min |
| Pressure vessel volume: | It isn't |
| Connecting: | 1 1/2" |
| Motor power: | 45 kW |
| Mains voltage: | 400/50 V/Hz |
| Lubrication: | Oleic |
| Noise: | 66 dB(A) |
| Weight: | 690 kg |
| Engine: | Electric |
| Drive: | Direct |
| Air dryer: | No |
| Retrieved from: | Professional |
| Development: | Stationary |
| Inverter: | No |
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- 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.
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