How can airflow be adjusted?

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

What maintenance is required?

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

What bearings are used?

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

Energy-Saving Multi-Lobe Roots Air Blower for Grain Aeration

Name: Energy-Saving Multi-Lobe Roots Air Blower for Grain Aeration
Brand: Shandong Zhaner Machinery Co., Ltd.
SKU: 2135656352

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 reliable mechanical performance 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.

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

Flexible Drive Options: Available with belt drive or coupling drive to suit various industrial installation requirements.

Customizable Specifications: Custom dimensions, power, capacity, RPM, and voltage options available to meet specific project needs.

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: ≤1.18h

AI-Powered supplier vetting

SummaryThe supplier is a combined company focused on blower, environmental-protection equipment, and gas or liquid separation and purification equipment, with related manufacturing, repair, and parts-processing activities. It demonstrates broad customization, ODM and OEM services, recent product development, documented R&D processes, CAD capability, and 20 R&D patents. Production data shows annual output for four blower product categories, while lead times are stated as within 15 working days in both peak and off-season periods. Overseas services include installation, debugging, repair, maintenance, and training, with Indonesia identified as an overseas service market. The supplier reports some brand OEM experience but no Fortune 500 cooperation. Certification details are insufficient, and its supplier-service assessment process lacks written procedures or followed records. Financial information only identifies years 2021–2023, without sufficient evidence to assess financial credibility.

Supplier typeThe supplier is identified as a combined company rather than an offshore company. Its stated scope covers fan and blower manufacturing and sales, environmental-protection equipment, gas compression machinery, liquid separation and purification equipment, general and special equipment manufacturing and repair, and mechanical parts processing and sales.

After-Sales capabilityThe supplier offers overseas debugging, repair, maintenance, training, and equipment installation, and identifies Indonesia as an overseas service market. However, its service-capability assessment has no written procedures or followed records, and only some approved-supplier names were provided, indicating service offerings are evidenced but service governance is incompletely documented.

R&D capabilityThe supplier reports new products during the past year, ODM services, two R&D engineers, CAD capability, 20 R&D patents, and documented design-input, output, review, verification, and validation records available for audit. It also reports no available SDK, which limits the evidenced software-development capability, but the overall product R&D evidence supports a positive assessment.

Production capacityReported annual output includes 10,000 rotary vane blowers, 2,000 air-bearing turbo blowers, 500 magnetic-bearing turbo blowers, and 10,000 Roots blowers. The supplier also states lead times within 15 working days in both peak and off-season periods and has uniformly followed finished-product inspection instructions, providing explicit evidence of production capacity and operational control.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, customization from designs, flexible customization, and minor customization. It also provides ODM services, indicating broad product-design and adaptation support.

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:Can a Roots blower operate continuously?

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

Q:Is the air oil-free?

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

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.

Q:What warranty is provided?

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