How noisy is the operation?

With advanced dynamic balancing and precision machining, the blower operates at low vibration and reduced noise levels, suitable for industrial environments.

What is the maintenance requirement?

Roots blowers have a simple structure with fewer wearing parts, making maintenance easy. Regular oil change and filter cleaning are usually sufficient.

Can the blower run 24 hours continuously?

Yes. Our blowers are designed for continuous 24/7 industrial operation, especially in wastewater treatment and aeration systems.

Do you provide OEM or customization?

Yes. We support OEM branding, voltage customization, material upgrade, and special configuration based on customer requirements.

Variable-Speed Roots-Type Air Blower for Mbr

Name: Variable-Speed Roots-Type Air Blower for Mbr
Brand: Shandong Zhaner Machinery Co., Ltd.
SKU: 2134598902

Shandong, ChinaShandong Zhaner Machinery Co., Ltd.

US$800.00-900.00

1 Piece

Sample price:US$400.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Usage

for Manufacture

Model NO.

WSR65

Flow Direction

Axial Flow

Pressure

High Pressure

Certification

ISO

Dimension

1.5cbm

Power

18-78kw

Capacity

25.85-40.35m3/Min

Rpm

970-1730

Certificate

ISO9001

Working Temperture

20-200°C

Hscode

8414599040

Voltage

220V, 380V, 400V, 415V

Noise

<85dba

OEM

Yes

Phase

3 Phase

Model

Wsr65

Frequency

50 Hz

Bearing

NSK/Customized

Leadtime

5-7 Days

Transport Package

Wooden Box

Specification

700kg

Trademark

WSR

Origin

China

HS Code

84145990

Production Capacity

20000/Set

Key features

Certified Quality Assurance: Eliminate Reliability Risks from Day One Operate with confidence under an ISO9001-certified quality management system. Every blower is manufactured and tested according t

Nearly 20 Years of Expertise: Trust a Proven Roots Blower Manufacturer Avoid the uncertainty of inexperienced suppliers. With nearly two decades of specialization in Roots blowers, we understand the

Precision CNC Manufacturing: Ensure Consistent Performance Every Time Advanced CNC machining centers and multi-stage inspections guarantee precise tolerances, smoother operation, lower vibration, and

Factory-Direct Advantage: Get Reliable Quality at Competitive Prices Why pay extra to intermediaries? As a direct manufacturer, we offer factory pricing while maintaining strict quality control throu

Trusted in Over 70 Countries: Proven Performance Worldwide Thousands of customers worldwide rely on our blowers for wastewater treatment, aquaculture, cement, chemical, and food-processing applicatio

1-to-1 Technical Support: Solve Problems Faster When issues arise, our experienced engineers provide dedicated technical assistance until the problem is fully resolved, minimizing downtime and operat

Comprehensive Product Range: One Supplier for All Your Blower Needs From standard Roots blowers to customized solutions, we offer a complete product portfolio, helping you compare options and select

Superior Impeller Protection: Outperform Conventional Designs Unlike many standard blowers, our impellers feature special anti-viscosity and lubrication-enhancing surface treatment, reducing wear and

Fast Delivery & Flexible Customization: Keep Your Projects on Schedule Benefit from efficient production scheduling, sufficient inventory, and customizable configurations, including motor brands, vol

End-to-End Quality Control: Built for Long-Term Durability From raw material sourcing and R&D to manufacturing, testing, and after-sales service, every step is monitored by experienced engineers to e

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: ≤0.74h

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 used for?

A Roots blower is widely used for wastewater treatment, aquaculture, pneumatic conveying, cement, and chemical industries. It provides a stable airflow for aeration and industrial gas transfer applications.

Q:How does a Roots blower work?

It is a positive displacement air machine that uses two synchronized rotors to move air from the inlet to the outlet without internal compression, ensuring stable and continuous airflow.

Q:What is the advantage of a Roots blower compared to a centrifugal blower?

Roots blowers provide constant air volume regardless of pressure changes, making them more stable in low to medium pressure applications such as aeration systems.

Q:How do I choose the right model?

Selection depends on: Air flow requirement Pressure Application type We can provide free technical selection support based on your project data.

Q:Is the blower energy efficient?

Yes. Our design uses precision rotors and optimized clearance control, which helps reduce air leakage and improve overall energy efficiency.