How does the permanent magnet motor improve efficiency?

It eliminates excitation system losses, and its energy efficiency is more than 9% higher than conventional asynchronous motors at full load, remaining unchanged as speed decreases.

40cfm Permanent Magnet Frequency Conversion Rotary Screw Air Compressor 230V/60Hz

Name: 40cfm Permanent Magnet Frequency Conversion Rotary Screw Air Compressor 230V/60Hz
Brand: DENAIR ENERGY EQUIPMENT CO., LTD.
SKU: 888123205

Shanghai, ChinaDENAIR ENERGY EQUIPMENT CO., LTD.

US$3,000.00-30,000.00

1 Piece

Product profile

Customization

Available

Lubrication Style

Lubricated or Oil-Less

Cooling System

Air Cooling/Water Cooling

Model NO.

DAV55+~DAV250+

Power Source

AC Power

Cylinder Position

Vertical

Structure Type

Closed Type

Installation Type

Stationary Type

Type

Twin-Screw Compressor

Air End

Aerzen/Denair

Style

Screw Air Compressor

Approved

ISO9001/Ce/Gc

Bearings

Sweden SKF

Motor

Zoda

Pressure Sensor

Denmark Denfoss

Portable Name

Permanent Magnetic Variable Air Comp

Starting Method

Variable Frequency Starting

Driven Method

Direct Driven

Performance

Explosion-Proof

Transport Package

Export Standard Packing

Specification

CE, SGS, BV, ISO9001 certification

Trademark

Denair

Origin

Shanghai, China

HS Code

8414809090

Production Capacity

100 Sets Per Day

Key features

Ultra-low Energy Consumption: Permanent magnet motor efficiency is over 9% higher than conventional motors, maintaining efficiency at low loads.

Smooth Variable Frequency Start: Soft start avoids current peaks and mechanical shock, ensuring stable operation and reduced power costs.

Direct Drive Structure: Integrated shaft direct connection eliminates gear transmission failures, coupling issues, and noise sources.

High-Efficiency Filtration: Oil filter removes particles at 0.1 micron; air filter achieves 99.99% accuracy, controlling dust below 0.3 microns.

Robust Inverter Technology: Equipped with high-frequency reactor, forced cooling, and dust screens for stable operation in harsh environments.

Durable Stainless Steel Piping: Stainless steel piping design prevents rust and avoids safety accidents caused by pipeline leakage.

OEM Customization Support: Professional design team accepts OEM orders with flexible customization options for specific market needs.

Company profile

Cooperated with Fortune 500Multi-language PioneerManagement Certification

DENAIR ENERGY EQUIPMENT CO., LTD.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Full Customization, Flexible customization, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.13h

AI-Powered supplier vetting

SummaryDENAIR is identified as a professional technical supplier with 3D design, ODM, OEM, SDK, and multiple customization capabilities. It reports new products within the past year and operates across refrigeration, air-conditioning, pumps, vacuum equipment, pneumatic machinery, mechanical components, mining machinery, and gas/liquid separation equipment. Production-related evidence includes valid contracts with affiliated subcontractors, inventory capability, finished-product inspection instructions, and service-capability procedures. International reach is supported by overseas agents or branches, export activity, and participation in the EMEX Exhibition. However, no overseas warehouse or showroom is available, sustainable-practice implementation is explicitly absent, and the provided information does not establish certifications, detailed after-sales performance, customer case studies, or financial credibility.

Supplier typeThe supplier is explicitly identified as a professional technical supplier. Its stated business scope covers refrigeration and air-conditioning equipment, pumps, vacuum equipment, pneumatic machinery, mechanical parts, mining machinery, and gas/liquid separation and purification equipment, indicating a broad industrial-equipment focus.

R&D capabilityEvidence supports active innovation: the supplier reports new products within the past year, 3D software design, ODM services, OEM services for popular brands, and an available SDK. Its stated culture emphasizes continuous innovation, although it explicitly lacks an AI model for data-driven management decisions.

Production capacityProduction and operational capability is supported by valid manufacturing contracts with affiliated subcontractors, inventory capability, standardized finished-product inspection instructions, and a production-line facility. The supplier also has written service-capability procedures and records, but no quantitative production capacity is provided.

Customization capabilityThe supplier explicitly offers full customization, minor customization, and flexible customization, together with 3D design and ODM services. This provides direct evidence of broad product-design and customization support.