What certifications do you have?

We offer CE and ISO certificates based on different customer market needs. Our oil-free series meets Germany TUV Class 0 standards.

What is the maintenance schedule?

First maintenance is required after 500 hours, followed by normal maintenance every 2000-3000 hours, depending on the actual operating environment.

How do you ensure product quality?

We strictly inspect raw materials, import key parts from overseas, and ensure each compressor passes at least 5 hours of continuous testing before leaving the factory.

Do you offer OEM or ODM services?

Yes, we accept both OEM and ODM services to meet specific customer requirements.

What is the expected lifespan of the air compressor?

Generally, the air compressor can be used for more than 10 years.

30~40 Bar Permanent Magnet Variable Frequency Oil-Free Screw Air Compressor Rkzw37

Name: 30~40 Bar Permanent Magnet Variable Frequency Oil-Free Screw Air Compressor Rkzw37
Brand: Shanghai Rocky Machinery Co., Ltd.
SKU: 2038631412

Shanghai, ChinaShanghai Rocky Machinery Co., Ltd.

US$30,170.00

1-9 Set

US$30,100.00

10-49 Set

US$30,000.00

50+ Set

Product profile

Customization

Available

After-sales Service

Online Support

Warranty

2year

Model NO.

RKZW37

Lubrication Style

Oil-free

Cooling System

Air Cooling

Power Source

AC Power

Cylinder Position

Angular

Structure Type

Closed Type

Installation Type

Movable Type

Type

Twin-Screw Compressor

Air Delivery

3m3/Min 105.9cfm

Airend

Rocky/Hanbell

Motor Power

37kw 50HP

Motor Protection Class

IP54

Motor Energy Efficiency Class

Ie4

Noise

68dB

Supply Gas Oil Content

Class 0

Air Outlet

G1"

Lubricating Water Quantity

90L

Quantity of Cooling Water

10L

Pipe Diameters of Cooling Water Inlet an

1 1/2"

Weight

1150kg

Transport Package

Wooden Box

Specification

1550x1150x1550mm

Trademark

ROCKY

Origin

Shanghai

Production Capacity

2000set /Month

Key features

Oil-Free Class 0 Air Quality: Water-lubricated design ensures zero oil contamination, meeting Germany TUV Class 0 standard.

High Precision Constant Pressure: Microcomputer control achieves 0.01MPa pressure fluctuation range for stable output.

Soft Start & No-Load Avoidance: Frequency conversion eliminates peak current impact and prevents ineffective energy consumption.

Compact & Low Noise Design: Closed type structure with only 68dB noise, reducing vibration compared to piston compressors.

Comprehensive Protection System: Equipped with multiple protections for pressure, temperature, and overload for safe operation.

Long Service Life: Durable construction ensures over 10 years of reliable usage with low maintenance costs.

Customizable OEM/ODM Service: Full customization options available including air delivery, airend, and motor power specifications.

Company profile

In-stock CapacityLow MOQODM ServicesOEM Services

Shanghai Rocky Machinery Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Full Customization CertifiedExport Year: 7 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.67h

About Our Factory & Business Background

AddressRoom 604, #12, Powerlong Center, No. 689 Xiwang Road, Jiading District, Shanghai, China

Plant Area222 square meters

Number of Employees16

Registered Capital5,000,000 RMB

Terms of PaymentLC, T/T

International Commercial Terms(Incoterms)FOB, CIF

Average Lead TimePeak Season Lead Time: 1-3 months Off Season Lead Time: within 15 workdays

Minimum Order Quantity1 set

Supply Chain Partners20

Our Production Capability & Technical Expertise

Main ProductsScrew Air Compressor, Laser Cutting Machines, Oxygen and Nitrogen Booster, Oil Injected Screw Air Compressor, Oil Free Screw Air Compressor, 3~5bar Low Pressure Screw Air Compressor, 30-300bar High Pr

R&D Engineers2 people

Our Industry Experience & Global Business Record

Year of Establishment2018-07-05

Main MarketsNorth America

Repeat Buyers Choice50%~80%

Number of Foreign Trading Staff5

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:Are you a trading company or manufacturer?

We are a professional manufacturer of screw air compressors located in Taicang, Jiangsu, China, with over 18 years of experience.

Q:What is the delivery time for standard orders?

For standard voltage, the delivery time is 15 working days. For non-standard requirements, please contact our sales team.

Q:What payment terms do you accept?

We accept T/T, L/C, D/P, Western Union, PayPal, and Credit Card. We also accept USD, RMB, Euro, and other currencies.

Q:What is the warranty policy?

We provide a one-year warranty for the whole machine and two years for the screw air end, excluding consumable spare parts.

Q:What after-sales services are provided?

We provide online installation and commissioning instructions, well-trained engineers for overseas service, and worldwide agents for training and installation support.