Exhaust Centrifugal Fan, 380V, 22KW, FRP

Key specification for this exhaust centrifugal fan: 220V/380V, 380V/220V 50Hz AC Power Supply. Everything below is reproduced from the factory data sheet. Made by Shenhai Explosion-Proof Technology Co., Ltd. (5 years on the platform, factory-assessed). Quantity and destination market determine the final price — tell us both for a firm quote.

Key Features of This Exhaust Centrifugal Fan

• Model Number: B4-72
• Power Source Type: 380V/220V 50Hz AC Power Supply
• Voltage: 220V/380V
• Material: Fiberglass Reinforced Plastic (FRP)
• Blade Material: Steel Plate,Cast Aluminum Alloy
• Noise Level: 40 dB and above

Technical Specifications

Product Details

Product Parameters

Explosion proof sign	Degree of protection	Cable outer diameter	Inlet thread
Ex db IIC T4 Gb Ex tb IIIC T135℃ Db	IP54	Φ10~Φ14 Φ15~Φ23	NPT3/4 NPT1 1/4

Product Description

1. The transmission mode of the fan includes A B. C, D four types: No2.8~5 adopts A-type transmission, No6 has both A-type and C-type transmissions, and No8-12 uses C There are two types of transmission modes in Type D, No 16-20 adopts B-type transmission; 2. Ventilation fans numbered 2.8A-6A mainly consist of impeller, casing, air inlet, motor, and other parts, No6C and No. 8-20 not only have the above structure, but also have a transmission part; 3. Impeller: composed of 10 rear tilting machine airfoil blades, curved wheel covers, and flat rear discs, made of steel plate or cast aluminum alloy. After dynamic and static balance correction and overspeed operation experiments, it has high efficiency, smooth and reliable operation, and good air performance; 4. Housing: Made in two different types, among which: No2.8~12 casings are made as a whole and cannot be disassembled. The No16~20 casing is made into a three open type, which is divided horizontally into two halves. The upper half is vertically divided into two halves along the centerline and connected with bolts for easy insertion or removal of the impeller during installation and maintenance; 5. Air inlet: Made into a complete structure and installed on the side of the fan, with a curved section parallel to the axis, the function is to allow the airflow to smoothly enter the impeller with minimal loss; 6. Transmission: composed of spindle, bearing box, rolling bearings, pulley or coupling; 7. Steel pipe or cable wiring, with grounding screws inside and outside the motor casing;

1. It is applicable to the places in Zone 1 and Zone 2 of explosive gas environment; 2. It is applicable to the places in Zone 21 and 22 of combustible dust environment; 3. Suitable for IIA, IIB and IIC explosive gas environment; 4. Applicable to T1-T4 temperature group; 5. It is widely used in oil refining, chemical, textile, gas station and other dangerous environments, offshore oil platforms, oil tankers and other places; 6. Indoor and outdoor.

About Us

VR

FAQ

A: Are you factory or trading company?

Q: We are a factory and provide OEM services. Our main products are explosion-proof lightings, explosion-proof distribution box, explosion-proof cable gland, explosion-proof fans, explosion-proof junction box and anti-corrosion & dustproof & waterproof lights.

A: What certificates do you have?

Q: We have passed ATEX, IECEx, and with a lot of National Patents.

A: What place are your products used in?

Q: They are widely used in petroleum chemical, aerospace, coal electrical power, railway, metallurgy, shipbuilding, refinery, marine, wine-making, fire fighting, municipal, gas station and other industries.

A: Can I have a sample order?

Q: Yes, we welcome sample orders to test and check quality. Mixed samples are acceptable.

A: Can you accept customized?

Q: Yes. Please inform us and confirm the design firstly based on our sample.

Thanks for your visiting and hope to cooperate! ($10 free for the first order)

contact us

WhatsApp/Skype: +86 159 5719 4752

Mailbox: aurorachen@shenhai-ex.com
Website: https://www.shenhai-ex.com/
Company: Shenhai Explosion-Proof Technology Co., Ltd.
Address: No. 318, Wei15 Road, Economic Development Zone, Wenzhou, Zhejiang, China

Click to return to the home page

Ordering and Pricing

• Minimum order quantity: 1 piece
• Volume pricing:
  • 1–9 piece: US $175.78 / piece
  • 10–49 piece: US $170.95 / piece
  • 50+ piece: US $165.53 / piece
• Ships from: China
• Customization: OEM and ODM accepted on qualifying volumes.

Frequently Asked Questions

What is the minimum order quantity for this exhaust centrifugal fan?

The standard minimum order quantity is 1 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.

What warranty is provided?

The manufacturer provides a 3 Years warranty. Spare parts and technical support remain available after the warranty period.

Can the exhaust centrifugal fan be supplied for my local voltage?

The standard configuration is 220V/380V. Alternative voltage and frequency builds are available when specified at the time of order.

Do you accept OEM or custom branding?

Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.

How long does production and delivery take?

In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.

About the Manufacturer

This product is produced by Shenhai Explosion-Proof Technology Co., Ltd., based in China. The company 5 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full Shenhai Explosion-Proof Technology Co., Ltd. range on HVACR Nexus.

See more in Blowers on HVACR Nexus.