What after-sales services are provided?

We provide 24/7 technical support via phone, email, and online chat. Our team offers remote troubleshooting via video calls and can provide immediate solutions for operational or technical issues to minimize downtime.

Is the blower suitable for aquaculture systems?

Yes, this energy-saving negative pressure air blower is specifically designed for Recirculating Aquaculture Systems (RAS). It provides stable, pulsation-free airflow essential for maintaining water quality and oxygen levels.

What is the noise level of the Roots blower?

The blower features a belt-driven design that effectively reduces vibration and noise. The noise level is maintained at less than 85dba, ensuring a quieter working environment.

Energy-Saving Negative Pressure Air Blower for Recirculating Aquaculture System (RAS)

Name: Energy-Saving Negative Pressure Air Blower for Recirculating Aquaculture System (RAS)
Brand: Shandong Zhaner Machinery Co., Ltd.
SKU: 2134370972

Shandong, ChinaShandong Zhaner Machinery Co., Ltd.

US$200.00-300.00

1 Piece

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Usage

for Manufacture

Model NO.

WSR125

Flow Direction

Axial Flow

Pressure

High Pressure

Certification

ISO

Dimension

0.67cbm

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

Wsr125

Frequency

50 Hz

Bearing

NSK/Customized

Leadtime

5-7 Days

Transport Package

Wooden Box

Specification

390kg

Trademark

WSR

Origin

China

HS Code

84145990

Production Capacity

20000/Set

Key features

Stable Pulsation-Free Airflow: Delivers continuous, steady air supply ideal for wastewater treatment and pneumatic conveying.

Low Noise & Vibration Design: Belt-driven structure reduces noise to <85dba and minimizes vibration compared to direct drive.

High-Quality NSK Bearings: Equipped with NSK or customized bearings for reliable, long-lasting high-speed operation.

Flexible Customization Options: Supports OEM, full customization, and minor adjustments for dimensions, power, and voltage.

24/7 After-Sales Support: Round-the-clock customer service with remote troubleshooting via video or phone calls.

Rigorous Quality Control: 100% finished product inspection including load, noise, and vibration tests before delivery.

Wide Application Range: Suitable for aquaculture, environmental protection, agriculture, and industrial pneumatic systems.

ISO Certified Manufacturing: Manufactured under ISO standards with traceable raw materials and professional QC team.

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: ≤1.28h

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 the warranty period for this blower?

The product comes with a warranty covering mechanical defects. Please contact our 24/7 support team for specific warranty terms and claim procedures.

Q:Can I customize the voltage and power of the blower?

Yes, we offer flexible customization. Standard voltage options include 220V, 380V, 400V, and 415V. Power ranges from 5.5kw to 30kw, and we support OEM and full customization based on your requirements.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 set. We support small-amount payments and are suitable for both trial orders and bulk purchases.

Q:How long is the lead time for production?

The average lead time is 5-7 days for standard orders. During peak seasons, production may take within 15 workdays. Please confirm specific timelines with our sales team.

Q:What certifications does the blower have?

The blower is ISO certified. We also provide ISO9001 certification for our manufacturing quality management system. Custom certificates can be arranged upon request.