What pressure range can a Roots blower handle?

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

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 Multi-Lobe Roots Air Blower for Biological Aeration

Name: Energy-Saving Multi-Lobe Roots Air Blower for Biological Aeration
Brand: Shandong Zhaner Machinery Co., Ltd.
SKU: 2132510922

Shandong, ChinaShandong Zhaner Machinery Co., Ltd.

US$500.00-600.00

1 Piece

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Usage

for Manufacture

Model NO.

WSR125mj

Flow Direction

Axial Flow

Pressure

High Pressure

Certification

ISO

Dimension

1.8cbm

Power

5.5-30kw

Capacity

5.35m3/Min-12.23m3/Min

Rpm

980-1850

Certificate

ISO9001

Working Temperture

20-200°C

Hscode

8414599040

Voltage

220V, 380V, 400V, 415V

Noise

<85dba

OEM

Yes

Phase

3 Phase

Model

Wsr125mj

Frequency

50 Hz

Bearing

NSK/Customized

Leadtime

5-7 Days

Transport Package

Wooden Box

Specification

380kg

Trademark

WSR

Origin

China

HS Code

84145990

Key features

100% Factory Testing: Every unit undergoes 100% inspection before shipment to ensure stable performance.

High-Precision CNC Machining: Manufactured with high-precision CNC equipment for optimized rotor profiles and low leakage.

Continuous 24/7 Operation: Designed for heavy-duty industrial use with stable airflow and long service life.

ISO 9001 Certified Quality: Strict quality control under ISO 9001 system with over 17 years of manufacturing experience.

Oil-Free Air Delivery: Air chamber is oil-free; lubrication is sealed in bearing and gear chambers to prevent contamination.

Flexible Customization Options: Supports OEM, ODM, and full customization for dimensions, power, voltage, and RPM.

Low Noise and Vibration: Dynamically balanced rotors and optimized design ensure smooth, quiet, and low-vibration operation.

Wide Application Range: Suitable for wastewater treatment, aquaculture, pneumatic conveying, cement, and chemical industries.

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: ≤1.81h

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:What is a Roots blower?

A Roots blower is a positive displacement air blower that delivers a fixed volume of air regardless of pressure changes.

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.