Where is your factory located?

Our factory is located in Zibo, Shandong, China. You are welcome to visit our factory.

How long does shipping take after ordering?

It takes approximately 20 to 30 days to ship one container after the order is placed.

Is the product customizable?

Yes, various types can be customized according to customer requirements, including materials, colors, and specific performance parameters.

Backward Curved Blower for High Air Volume Applications

Name: Backward Curved Blower for High Air Volume Applications
Brand: Shandong Hanqi Industrial Co., Ltd.
SKU: 779708962

Shandong, ChinaShandong Hanqi Industrial Co., Ltd.

US$578.00-1,072.00

1 Piece

Sample price:US$1000.00/piece.Request sample

Product profile

Customization

Available

Material

Cast Iron, Stainless Steel, FRP, Cutomised

Usage

for Experiment, for Air Conditioner, for Manufacture

Model NO.

4-72-10C 37KW

Flow Direction

Centrifugal

Pressure

Low/Medium/High Pressure

Certification

RoHS, ISO, CE, CCC

Speed

800-1120r/Min

Air Flow

39000-75600m3/H

Total Pressure

1104-2746 PA

Pressure Value

22-75kw

Motor Type

Siemens, ABB......

Design

at Least 20 Years

Efficiency

85%

Impeller

Iron, FRP, Plastic, Stainless Steel, Customized

Impeller Testing

Dynamic Blancing Adjusting

Surface Treatment

Corrosion Preventive Treatment

Bearing

FAG, SKF, Zwz, C&U...

Application

Factory &Warehouse & Large Building Ventilating

Transport Package

Wooden Case

Specification

According to the order

Trademark

HANQI

Origin

Shandong, China

Production Capacity

500000pieces/Year

Key features

Customizable Materials: Available in Carbon steel, stainless steel, FRP, PP, PVC, etc.

High Efficiency Design: Impeller efficiency up to 85% with dynamic balancing adjustment.

Wide Application Range: Suitable for factory, warehouse, large building ventilation and AC.

Multiple Custom Options: Explosion-proof, anti-corrosion, and high-temperature fans available.

Quality Assurance: All blowers tested for over 3 hours before delivery to ensure quality.

Flexible Customization: Customizable speed, air flow, pressure, and motor types.

Certified Products: Products certified with RoHS, ISO, CE, and CCC standards.

Durable Construction: Built with cast iron, stainless steel, or FRP for longevity.

Company profile

High Repeat Buyers ChoiceCustomization from Samples3D Software DesignProduct Certification

Shandong Hanqi Industrial 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: 8 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤8.89h

AI-Powered supplier vetting

SummaryShandong Hanqi Industrial Co., Ltd. is identified as a combined industrial company providing design, development, manufacturing, installation, sales, and after-sales services. It reports two production lines, a broad set of manufacturing equipment, inventory capability, written finished-product inspection procedures, and peak- and off-season lead times within 15 working days. The supplier supports extensive customization and ODM services, has introduced new products within the past year, and reports OEM service for well-known brands. However, it reports no supplier-management-system certifications, fewer than five quality-control staff, no valid manufacturing-capacity contract with related subcontractors, no overseas agents, branches, warehouses, or showrooms, and no offline trade-show participation. The provided information does not establish sufficient evidence to assess financial credibility or specific customer cases.

Supplier typeThe supplier is classified as a combined company and describes itself as an industrial enterprise integrating design, development, manufacturing, installation, sales, and after-sales services. It also reports its own factories, a research institute, and strategic cooperation with manufacturers in China.

CertificationsThe supplier-management-system certification field is explicitly recorded as NIL. This is direct evidence that no such certification is reported in the provided information.

R&D capabilityThe supplier reports two years of total R&D engineer experience, a research institute, new products within the past year, and ODM services. These indicators support active product development, although no SDK is available and the depth of the R&D organization is limited in the provided data.

Production capacityThe supplier operates two production lines and lists laser cutting, shearing, rolling, drilling, shot blasting, painting, punching, and welding equipment. It reports inventory capability, written production-service procedures, and lead times within 15 working days in both peak and off seasons; however, it has no valid contract with related subcontractors for manufacturing capacity.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, and also provides ODM services. The same customization range is reported across both R&D and design-capability records.

Product Q&A

Q:What information should I provide when inquiring?

Please provide flow rate & air volume, pressure, purpose, use environment (temperature, atmospheric pressure), or other special requirements.

Q:What is the warranty period?

We provide a 12-month warranty after receiving the centrifugal fans. Damaged parts are replaced free of charge during this period.

Q:How do you control product quality?

We have a quality inspection department. All blowers run for more than 3 hours before delivery to test quality. If there is a problem, we produce a new one.

Q:What are your terms of payment?

Payment options include TT 40% advance and 60% after inspection before shipping, or 100% Irrevocable L/C at sight.

Q:What products do you produce?

We produce centrifugal fans, tunnel fans, axial fans, jet fans, mining fans, exhaust fans, anti-corrosion blowers, high-pressure blowers, and explosion-proof fans.