Yes. The air chamber is oil-free, as lubrication oil is sealed in the bearing and gear chambers.

What bearings are used?

Zhaner Roots blowers use NSK bearings or other high-quality bearing brands as required.

What maintenance is required?

Routine maintenance includes oil inspection and replacement, belt or coupling inspection, and inlet filter cleaning.

What warranty is provided?

Zhaner provides a 12-month warranty along with long-term technical support.

Energy-Saving Industrial Roots Air Compressor for Biological Aeration

Name: Energy-Saving Industrial Roots Air Compressor for Biological Aeration
Brand: Shandong Zhaner Machinery Co., Ltd.
SKU: 2135832672

Shandong, ChinaShandong Zhaner Machinery Co., Ltd.

US$700.00-800.00

1 Piece

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Usage

for Manufacture

Model NO.

WSR175mj

Flow Direction

Axial Flow

Pressure

High Pressure

Certification

ISO

Dimension

2cbm

Power

11-75kw

Capacity

19.65m3/Min-50.35m3/Min

Rpm

1100-1950

Certificate

ISO9001

Working Temperture

20-200°C

Hscode

8414599040

Voltage

220V, 380V, 400V, 415V

Noise

<85dba

OEM

Yes

Phase

3 Phase

Model

Wsr175mj

Frequency

50 Hz

Bearing

NSK/Customized

Leadtime

5-7 Days

Transport Package

Wooden Box

Specification

700kg

Trademark

WSR

Origin

China

HS Code

84145990

Key features

100% Factory Testing: Every unit undergoes performance, leakage, and noise testing before shipment.

NSK Bearings: High-quality NSK bearings or customized alternatives for smooth operation.

Fast Delivery: Standard models available from stock with a typical lead time of 5-7 days.

Oil-Free Air Output: Air chamber is oil-free; lubrication is sealed in bearing and gear chambers.

ISO 9001 Certified: Manufacturing strictly follows ISO 9001 quality management standards.

Continuous Operation: Designed for 24/7 continuous operation under proper conditions.

Robust Structure: Few wearing parts, easy disassembly, and long maintenance intervals.

High Precision: Critical components machined by advanced CNC for accuracy and low vibration.

Company profile

High Repeat Buyers ChoiceRaw-Materials Traceability100% Finished Products InspectionManagement Certification

Shandong Zhaner Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.06h

AI-Powered supplier vetting

SummaryThe supplier is a combined company specializing in manufacturing and sales of various machinery and equipment, including environmental protection equipment, with a presence in both domestic and international markets. They have received a national science and technology progress award, indicating recognition in the field. Their after-sales service capability is supported by a range of services offered overseas, though the assessment procedure lacks documentation. Financially, they show consistent capacity over recent years. Their innovation capability is moderate, with CAD software utilization and 20 patents, but limited R&D engineers and no SDK availability. Production is robust with significant output across various blower types, and they offer extensive customization services. However, they do not collaborate with Fortune 500 companies, and only a portion of sales are from exports.

Supplier typeThe supplier is identified as a 'Combined' company, indicating a blend of manufacturing and sales activities, especially in machinery and environmental equipment.

Financial creditFinancial assessments for 2021 to 2023 indicate stability, with consistent financial capacity and cash flow over recent years.

Production capacityThe supplier has a substantial production output, manufacturing a variety of blowers with significant annual volumes.

Customization capabilityThe supplier offers extensive customization capabilities, including full and flexible customization options.

Product Q&A

Q:What is a Roots blower mainly used for?

Roots blowers are mainly used for wastewater treatment aeration, pneumatic conveying, aquaculture oxygen supply, cement silo aeration, and industrial air conveying systems requiring stable airflow.

Q:Is a Roots blower suitable for wastewater treatment plants?

Yes. Roots blowers are widely used as aeration blowers in municipal and industrial wastewater treatment plants.

Q:Can a Roots blower operate continuously?

Yes. Roots blowers are designed for 24/7 continuous operation under proper conditions.

Q:How can airflow be adjusted?

Airflow can be adjusted by changing motor speed, using a VFD, or selecting different pulley ratios.

Q:What pressure range can a Roots blower handle?

Roots blowers are typically used in low to medium pressure ranges, commonly up to 80 kPa.