Rotary screw compressors with 1:1 direct drive and speed control on a base frame

Rotary screw compressors with 1:1 direct drive and speed control

Rotary screw compressors with 1:1 direct drive and speed control on a base frame combine direct power transmission with variable airflow. The product line includes the DV series ranging from 11 to 90 kW for compressed air networks with fluctuating demand.

The models are available for 8 or 10 bar and cover a range of approximately 1.3 to 15.4 m³/min, depending on the performance level. The base-frame design allows the air receivers and treatment components to be adapted separately to the system. To make the right selection, normal consumption, partial-load times, peak demand, and required supply pressure should be evaluated together.

DV Series at a Glance

✅ 11 to 90 kW

✅ 1:1 direct drive with speed control

✅ 8 or 10 bar

✅ approximately 1.3 to 15.4 m³/min

✅ Base frame for flexible system integration
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DV Series: 1:1 direct drive with Speed Control

Rotary screw compressors with 1:1 direct drive and speed control mounted on a base frame combine direct power transmission with variable air delivery. The DV series covers ten power ratings from 11 to 90 kW and is designed for professional compressed air networks with varying demand.

Power range 11 to 90 kW

The smallest model delivers 1.3 or 1.5 m³/min at 11 kW. Through several intermediate stages, the product line ranges up to 90 kW with 13.4 or 15.4 m³/min. All current models are available for 8 or 10 bar.

Combining Speed Control and Direct Drive

The variable speed adjusts the flow rate to the air demand within the specified control range. This is particularly useful for fluctuating load profiles. The 1:1 direct drive forms the drive concept of this series and distinguishes it from the variable-speed FV models with belt drives.

On a base frame for custom peripherals

The DV models in this category are available without an integrated air receiver or refrigerated air dryer. This allows storage, drying, filtration, and condensate treatment to be sized to match the existing network or the newly planned system.

Designing the DV Series Effectively

✅ Track load profile rather than just peak consumption

✅ Select 8 or 10 bar to match the system pressure

✅ Compare minimum, normal, and peak demand

✅ Size air receivers to match the network

✅ Address compressed-air quality separately

Direct navigation path for this category

This page belongs to the direct-drive hierarchy. Its primary search intent is therefore the combination of 1:1 direct drive and speed control. The parent page compares D and DV models; here, the focus is exclusively on the variable-speed DV version.

Buy a variable-speed direct drive

When selecting a variable-speed rotary screw compressor with a 1:1 direct drive, the flow rate, operating pressure, and load profile are key factors. The ten available power ratings allow for a graduated sizing range from 11 to 90 kW.

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