Backward Curved Fan, Centrifugal, Customizable

The backward curved fan listed here carries voltage Customizable, blade material Stainless Steel, documented exactly as the manufacturer publishes it. Made by Henan Rhine Machinery Co., Ltd. (1 year on the platform, typical reply ≤1h). Quantity and destination market determine the final price — tell us both for a firm quote.

Key Features of This Backward Curved Fan

• Model Number: 4-72 3.6A 2900 R/min
• Voltage: Customizable
• Blade Material: Stainless Steel
• Material: Stainless Steel(Customizable)
• Speed: 1450
• Warranty: 1 Year

Technical Specifications

Product Details

Products Description

Low-Pressure CentrifugalFan

This product is used in factories and large buildings, primarily function for efficient ventilation, ensuring air circulation and improving environmental quality in industrial and ventilation systems.

Product Parameter

4-68	NO.	R/Min	Pa	m³/H	KW
		2.8A	2900	970~657	1131~2262	1.5
		3.55A	2900	1608~1108	2708~5013	3
		4A	2900	2069~1431	3984~7218	4
		4.5A	2900	2657~1833	5790~10485	7.5
		5A	2900	3314~2304	8050~14490	15
		6.3A	1450	1323~921	8320~14761	5.5
		8D	1450	2157~1500	17585~30774	18.5
		10D	1450	3442~2422	35420~61179	55
		12.5D	960	2353~1657	45800~79111	55
		6.3D	2240	3159~2196	12852~22803	22
				2000	2510~1755	11476~20359	15
		8C	1800	3314~2314	21830~38202	37
				1600	2618~1833	19404~33958	30
		10C	1250	2558~1793	30534~52740	37
				1120	2048~1441	27358~47256	30
		12.5C	1120	3206~2255	53434~92296	90
				1000	2559~1794	47710~82407	75

4-72	NO.	R/Min	Pa	m³/H	KW
		2.8A	2900	994~606	1131~2356	1.5
		3.2A	2900	1300~792	1688~3517	2.2
				1450	324~198	844~1758	1.1
		3.6A	2900	1578~989	2664~5268	3
				1450	393~247	1332~2634	1.1
		4A	2900	2014~1320	4012~7419	5.5
				1450	501~329	2006~3709	1.1
		4.5A	2900	2554~1673	5712~10562	7.5
				1450	634~416	2856~5281	1.1
		5A	2900	3187~2019	7728~15455	15
				1450	790~502	3864~7728	2.2
		6A	1450	1139~724	6677~13353	4
				960	498~317	4420~8841	1.5
		6D	1450	1139~724	6677~13353	4
				960	498~317	4420~8841	1.5
		8D	1450	2032~1490	15826~29344	18.5
				960	887~651	10478~19428	5.5
				730	512~376	7968~14773	3
		10D	1450	3202~2532	40441~56605	55
				960	1395~1104	26775~37476	18.5
				730	805~637	20360~28497	7.5
		12D	960	2013~1593	46267~647549	45
				730	1160~919	35128~49244	18.5
		6C	2240	2734~1733	10314~20628	15
				2000	2176~1380	9209~18418	11
		8C	1800	3143~2302	19646~36427	37
				1600	2478~1816	17463~32380	30
		12C	1120	2746~2172	53978~75552	75
				1000	2185~1729	48195~67457	55

Application

Including but not limited to: boiler ventilation, large building air exchange, gas transportation, smoke exhaust, and air blowing.Approved customization.

Product Packaging

Company Profile

Brand name	Rhine Machinery
Establishment time	since 1989
Production line	3
Factory area	10,000m²
Persons number	≥300
Main business	grain dryer,centrifugal fan,crushing machine

Main Products: Grain Dryer , ‪Grain Drying Machine , ‪Paddy Dryer , ‪Corn Dryer

Dryer Henan Rhine Machinery Co., Ltd is a professional manufacturer of grain drying equipment that integrates research and development,production, sales, installation, debugging, and after-sales service. The company′s core products include a series of grain drying equipment for 20ton, 32 tons, 40 tons, 120 tons, 150 tons, 200 tons, 300 tons, 2500tons and above. Also Independent research and development of centrifugal fan,crushing machine.

The company has strong technical strength, complete production equipment, complete testing methods, and stable product quality.
The product is sold to various regions abroad and domestically, and has received unanimous praise from domestic and foreign users.The company, together with the standard setter and operation team of China′s grain drying industry, focus on the production and sales of grain dryers and grain drying tower equipment. It is an international ISO9001 quality certification enterprise, and has been awarded the "contract abiding and trustworthy enterprise"and "exemplary organization of quality management". For many years, the company has attached great importance to technological exchange and cooperation, absorbing and learning from successful experiences and new technologies at home and abroad. It has signed a long-term strategic cooperation agreement with the China Academy of Agricultural Mechanization Sciences and invested a large amount of funds in the research and development of new equipment, striving to become the most leadind drying equipment manufacturer in the industry.

FAQ

1.the quality of production
Our machine are manufactured strictly according to national and international standard, and we take a test on every equipment before delivery.
2.Guaranteed
Our products are distributed throughout the world, being involved in more than Asia, Africa and South America countries and regions. And our products win the good reputation of our foreign customers.
3.How about price?
Yes, we are factory and be able to give you the lowest price than market one, and we have a policy that “ for saving time and absolutely honest business attitude,we quote as low as possible for any customer, and discount can be given according to quantity”.

Contact Us

Ordering and Pricing

• Minimum order quantity: 1 set
• Volume pricing:
  • 1+ set: US $90 / set
• Ships from: China
• Customization: OEM and ODM accepted on qualifying volumes.

Frequently Asked Questions

What is the minimum order quantity for this backward curved fan?

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

What warranty is provided?

The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.

Can the backward curved fan be supplied for my local voltage?

The standard configuration is Customizable. 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 Henan Rhine Machinery Co., Ltd., based in China. The company 1 years as a verified Alibaba.com supplier, Trading Company. Browse the full Henan Rhine Machinery Co., Ltd. range on HVACR Nexus.

See more in Roof Exhaust Fans on HVACR Nexus.