Will you send technicians for repairs if needed?

While we do not send technicians directly, we have partnered with repair companies in many countries to ensure issues are resolved quickly and efficiently.

What are the main applications for Roots blowers?

They are used for wastewater treatment aeration, aquaculture oxygen supply, pneumatic conveying, cement production, and environmental protection systems.

Energy-Saving Tri-Lobe Roots Air Pump for Biological Aeration

Name: Energy-Saving Tri-Lobe Roots Air Pump for Biological Aeration
Brand: Shandong Zhaner Machinery Co., Ltd.
SKU: 2135073032

Shandong, ChinaShandong Zhaner Machinery Co., Ltd.

US$250.00-350.00

1 Piece

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Usage

for Manufacture

Model NO.

WSR65mj

Flow Direction

Axial Flow

Pressure

High Pressure

Certification

ISO

Dimension

0.4cbm

Power

0.75-4kw

Capacity

0.65m3/Min-2.27m3/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

Wsr65mj

Frequency

50 Hz

Bearing

NSK/Customized

Leadtime

5-7 Days

Transport Package

Wooden Box

Specification

145kg

Trademark

WSR

Origin

China

HS Code

84145990

Key features

Oil-Free Stable Airflow: Provides continuous, oil-free positive displacement airflow for reliable industrial performance.

Fast Standard Delivery: Standard Roots blower models are typically ready for dispatch within 5-7 days.

100% Unit Testing: Every unit undergoes complete performance testing under real working conditions before delivery.

High Precision Manufacturing: CNC machining ensures precise tolerances for rotors and casings to minimize vibration and noise.

Customizable Dimensions: Dimensions can be customized to 0.4cbm to meet specific application requirements.

Wide Voltage Options: Available in 220V, 380V, 400V, and 415V to suit various global electrical standards.

Low Noise Operation: Designed for noise levels below 85dba for quieter industrial environments.

ISO Certified Quality: Manufactured with ISO9001 certification ensuring strict quality control and reliability.

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: ≤1.22h

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.