Single Screw Compressors
Vilter’s line of single screw compressors for natural gas and process applications (VSG) are used in a variety of applications, including digester gas, fuel gas boosters, landfill gas, LNG boil-off, vapor recovery, process gas and natural gas gathering.
These compressors have been designed with efficiency and versatility in mind, providing both performance and maintenance advantages.
The key is in the balanced design. The positive displacement rotary compressor uses a single main screw intermeshed by two opposing gaterotors. Gas compression occurs when the  individual fingers of each gaterotor sweep through the grooves of the main screw as the screw rotates. Fewer moving parts mean fewer overhauls resulting in significant maintenance savings.
The balanced main screw results in ultra-low bearing loads and significantly decreased vibration and sound levels.
You can count on our team of engineers to design and manufacture complete packages for the natural gas process industries.
The Vilter Advantages:
- Low bearing loads
- Clockwise rotation models available
- High suction pressure capability is standard
- Parallex™ Slide system
- Low noise levels
- Low maintenance costs
- Compression Ratios up to 20:1
- Suction Pressures up to 400 psi
- Discharge Pressure up to 850 psi
- Side Port Loading for Side Streams
- Variable volume ratios 1.2 – 7.0
- Variable capacity control 10-100%
- Electronic actuators are weatherproof and conform to NEC Class 1, Groups C&D, Division 2 Classification
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