55-900kw Low-Energy Oil-Free Screw Compressor

For manufacturing operations targeting lower operating overhead, purchasing from a premier China 55-900kw Low-Energy Oil-Free Screw Compressor factory is a practical business choice. DECHUAN's energy-optimized compressor tracks real-time pneumatic tool consumption, automatically adjusting motor speeds to cut electricity waste during lower production hours.

Energy Optimization & Lifecycle Cost Reduction

Over 80% of an air compressor's total lifetime cost comes down to electricity consumption. In busy manufacturing plants, compressed air systems often draw more than 40% of the facility's total power. The 55-900kw Low-Energy Oil-Free Screw Compressor minimizes this expense through targeted engineering:

• Automated VSD Tracking: Instead of running the motor at full speed constantly and venting excess air, our variable frequency drive system automatically alters motor velocity to match real-time air consumption.

• Reduced System Operating Pressure: By maintaining a highly stable line pressure within 0.10 bar, the compressor eliminates the need to over-pressurize the network, saving massive amounts of power over time.

• Low-Power Unloading Cycles: When factory air demand stops completely, the motor drops speed immediately rather than running at high idle, cutting unnecessary power drain.

Performance Metrics

• Energy Efficiency Rating: Compliant with global dual-carbon energy-saving standards

• Motor Speeds: Variable speed drive with an adjustable flow range from 30% to 100%

• Volumetric Displacement: 4.2 to 148.5 m³/min responsive output

• Power Draw Range: 55kW to 900kW scalable platforms

Performance reference conditions for the unit were measured according to Annex C, 4th edition (2009) of ISO 1217:

· Relative humidity: 0%

· Absolute inlet pressure: 1 bar

· Inlet temperature: 20°C Discharge rate (FAD) was measured at the following operating pressures:

Constant speed type:

·  -7.5 bar type: 7 bar

· -8.6 bar type: 7 bar

· -10 bar type: 9 bar

VSD type:

· -8.6 bar type: 7 bar

· -10.4 bar type: 9 bar

· (2) Class A weighted emission sound pressure level of the workstation (LpWSAd). Measured according to ISO 2151:2004 (using 150 9614/2 sound intensity scanning method). The newly added correction factor is a completely uncertain value (KpAd), conforming to the test code.

· (3) Weight is for reference only; the actual weight supplied shall prevail.

ZR/ZT 110-160 (FF) STD

According to ISO 1217 Annex C, 4th Edition (2009), the unit performance reference conditions are as follows:

· Relative humidity: 0%

· Absolute inlet pressure: 1 bar

· Inlet temperature: 20°C

Displacement FAD is measured at the following operating pressures:

Constant speed models:

-7.5 bar models: 7 bar

-8.6 bar models: 7 bar

-10 bar models: 9 bar

VSD models:

-8.6 bar models: 7 bar

-10.4 bar models: 9 bar

(2) Class A weighted emission sound pressure level of the workstation (LpWSAd). Measured according to ISO 2151:2004 (ISO 9614/2 sound intensity scanning method). The newly added correction factor KpAd is uncertain, complying with test code.

(3) V1=380V, V2=400V.

(4) Weight is for reference only; actual weight shall prevail.

ZR/ZT 200-275 (FF)

-Relativehumidity:0%

-Absolute inlet pressure: 1bar

-Inlet temperature:20°℃

Discharge rate (FAD) was measured at the following operating pressures

Constant speed type:

-7.5 bar type: 7 bar

-8.6 bar type: 7 bar

-10 bar type: 9 bar

VSDtype:

-8.6 bar type: 7 bar

-10.4 bar type: 9 bar

(2) Class A weighted emission sound pressure level of the workstation (LpWSAd).

Measured according to ISO 2151:2004(using 150 9614/2(sound intensity scanning method).

The newly added correction factor is a completely uncertain value (KpAd), conforming to the test code.

(3) Weight is for reference only; the actual weight supplied shall prevail.

ZR 300-750

Performance reference conditions for the unit were measured according to Annex C, 4th edition (2009) of ISO 1217:

· Relative humidity: 0%

· Absolute inlet pressure: 1 bar

· Inlet temperature: 20°C Discharge rate (FAD) was measured at the following operating pressures:

Constant speed type:

·  -7.5 bar type: 7 bar

· -8.6 bar type: 7 bar

· -10 bar type: 9 bar

VSD type:

· -8.6 bar type: 7 bar

· -10.4 bar type: 9 bar

· (2) Class A weighted emission sound pressure level of the workstation (LpWSAd). Measured according to ISO 2151:2004 (using 150 9614/2 sound intensity scanning method). The newly added correction factor is a completely uncertain value (KpAd), conforming to the test code.

· (3) Weight is for reference only; the actual weight supplied shall prevail.

ZR 200X-400X

Performance reference conditions for the unit were measured according to Annex C, 4th edition (2009) of ISO 1217:

· Relative humidity: 0%

· Absolute inlet pressure: 1 bar

· Inlet temperature: 20°C Discharge rate (FAD) was measured at the following operating pressures:

Constant speed type:

·  -7.5 bar type: 7 bar

· -8.6 bar type: 7 bar

· -10 bar type: 9 bar

VSD type:

· -8.6 bar type: 7 bar

· -10.4 bar type: 9 bar

· (2) Class A weighted emission sound pressure level of the workstation (LpWSAd). Measured according to ISO 2151:2004 (using 150 9614/2 sound intensity scanning method). The newly added correction factor is a completely uncertain value (KpAd), conforming to the test code.

· (3) Weight is for reference only; the actual weight supplied shall prevail.

Stopping the Power Drain in Modern Manufacturing

Industrial compressed air production can consume up to 40% of a factory's total electricity budget. Standard air compressors waste large amounts of power by running at fixed high speeds even when air demand drops, venting pressurized air directly into the atmosphere to relieve system pressure.

This eco-engineered 55-900kw Low-Energy Oil-Free Screw Compressor addresses this directly:

• Average Energy Savings of 35%: The integrated frequency inverter system modulates motor output seamlessly to match your fluctuating factory air demand.

• Reduced System Operating Pressure: By maintaining a precise, narrow pressure band within 0.10 bar, the unit prevents over-pressurization, saving extra power.

• Zero Unloading Losses: The motor slows down safely without blowing off compressed air, keeping every kilowatt focused on useful work.

Custom Engineering Solutions by DECHUAN

DECHUAN provides customized aerodynamic configurations tailored to your specific facility layouts. Our engineering team conducts initial demand research and on-site energy audits, tailoring this Low-Energy Oil-Free Screw Compressor installation to optimize your plant's energy balance. We back every installation with long-term maintenance support and genuine spare parts logistics.

Energy Optimization FAQ

Q: What is the typical financial payback period for the VSD energy-saving upgrade?

A: Depending on local electricity rates and your factory's shift patterns, most high-demand facilities recover the initial investment through lower power bills within 12 to 18 months of continuous operation.

Q: Can this low-energy compressor run reliably in hot, unconditioned utility rooms?

A: Yes. The built-in high-efficiency inverter is housed inside a dedicated, cooled electrical cabinet. This setup ensures stable variable-frequency performance in ambient temperatures up to 50°C, preventing the electronic trip-outs common in lower-end systems.

Q: How does the 55-900kw Low-Energy Oil-Free Screw Compressor protect its internal motor during low-speed operations?

A: The motor is specifically engineered for low-speed thermal management. It includes an independent, constant-velocity cooling fan system that maintains safe operating temperatures even when the compressor runs at its minimum 30% speed configuration.