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Screw compressor blocks
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The screw compressor block is the main working unit of the compressor equipment, providing air compression. The increase in pressure of the incoming air flow occurs in the sealed housing of the unit, where two screw rotors (augers) are located: the leading one, connected to the electric motor shaft, and the driven one, driven by the clutch with the turns of the leading one. Air compression in screw-type compressors is performed in the inter-turn space. The screw block has a long service life, but over time it requires repair or replacement. You can purchase a similar unit for AirHorse compressors in the Stancomplect online store.
Advantages of a screw block over other types of units
The main advantages that distinguish a screw compressor block from other types of analogues include:
- continuity of compressed air flow, no pulsations;
- high productivity (up to 60 m3 per minute and higher) with compact dimensions;
- low noise and vibration levels;
- ease of maintenance and durability - only an expensive centrifugal unit has a longer service life;
- high outlet pressure, comparable only to a piston block.
All the advantages of the screw compressor unit are clearly presented in the comparison table:
| Parameters | Compressor block type | ||||
|---|---|---|---|---|---|
| Screw | Piston | Spiral | Rotary plate | Centrifugal | |
| Continuity of flow | continuous | throbbing | continuous | almost continuous | continuous |
| Productivity in m3 /min | 0.2-60.0+ | 0.1-5.0 | 0.05-1.0 | 0.1-5.0 | 10.0-500.0 |
| Pressure, bar | 5-15 (up to 30)* |
7-30 | 6-10 | 6-10 | 3-10 |
| Noise and vibrations | low | tall | very low | low | average |
| Dimensions | compact | more bulky | very compact | average | very large |
| Energy efficiency | high | average | high | average | very high |
| Service | after 2000-4000 hours** | frequent*** | minimal | moderate | only by specialists |
| Service life, thousand hours | 40-60 | 10-20 | 10-15 | 15-25 | 100+ |
| Price | medium and high | low | average | average | very high |
* - with multi-stage compression;
** - oil and filter change;
*** - replacement of rings and valves
How to choose a screw compressor unit
To buy a screw compressor block that suits your equipment, you need to consider the following when choosing:
- unit performance;
- outlet pressure;
- overall dimensions;
- type: oil-free or oil-filled;
- Operating mode: variable load or continuous.
When choosing a compressor block for replacement, it is worth buying a unit of the same brand and model as the one installed by the manufacturer.
When replacement or repair of the screw compressor block is required
Repair or replacement of the screw compressor unit is necessary if the following symptoms occur:
- reduction in productivity and outlet pressure;
- increased heating;
- extraneous noise and increased vibration levels;
- jamming or seizing of rotors;
- oil leak.
Why is it worth buying a screw compressor block from Stancomplect
If you need a reliable screw compressor block at an affordable price, order it in our online store. The main advantages of purchasing this unit from Stancomplect:
- guaranteed quality – we sell original screw blocks for AirHorse AHB compressors;
- the best price from the official dealer of the brand;
- after-sales information support and technical service;
- constant availability of consumables and spare parts in a warehouse;
- prompt delivery;
- Manufacturer's warranty.
To order a screw block of the AirHorse compressor at a favorable price, leave a request in the basket or call any of the phones listed in the header of the site!
