What certifications does the variable frequency screw air compressor have?

The variable frequency screw air compressor passes CE and ISO9001 Quality Certification.

What is the main advantage of the variable frequency technology?

It controls air flow by changing motor rotational speed, making air output and electricity consumption vary synchronously with air use for energy conservation.

Affortable Variable Frequency Screw Air Compressor With Air Cooled

Name: Affortable Variable Frequency Screw Air Compressor With Air Cooled
Brand: DENAIR ENERGY EQUIPMENT CO., LTD.
SKU: 680884535

Shanghai, ChinaDENAIR ENERGY EQUIPMENT CO., LTD.

US$5,000.00-50,000.00

1 Piece

Product profile

Customization

Available

Lubrication Style

Lubricated

Cooling System

Air Cooling

Model NO.

DVA-250GA/W

Power Source

AC Power

Cylinder Position

Vertical

Structure Type

Closed Type

Installation Type

Stationary Type

Type

Twin-Screw Compressor

Performance

Variable Frequency

Drive Mode

Electric

Configuration

Stationary

Mute

Material

Cast Iron

Application

Intermediate Back Pressure Type

Piston Type

It's Rotary Screw Type Air Compressor

Transport Package

Export Standard Packing

Specification

CE, ISO9001 certification

Trademark

Denair

Origin

China

HS Code

8414809090

Production Capacity

4, 00 Sets/Month

Key features

Variable Frequency Energy Saving: Adjusts motor speed to match air demand, reducing electricity consumption and avoiding unloading power loss.

High Efficiency Motor: Features a high-efficiency motor with up to 96% efficiency for optimal performance and energy conservation.

Premium Air End: Uses original Germany AERZEN/DENAIR air end for larger air delivery, lower noise, and long service life.

Reliable Soft Start: Frequency conversion soft start avoids grid impact and mechanical stress, ensuring stable and reliable operation.

Patented Oil-Gas Separator: Equipped with special patented oil-gas separator technology for superior separation efficiency and durability.

Flexible Pressure Control: Users can set desired pressure between 3-14 bars at discretion without changing gear or belt.

OEM Service Available: Professional design team supports OEM orders with flexible customization options for specific needs.

CE and ISO Certified: Passes CE and ISO9001 Quality Certification, ensuring compliance with international standards.

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: ≤0.55h

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.