Description
Grain and Powder Centrifugal Fan
High Pressure for Reliable Pneumatic Conveying in material handling and agricultural processing networks.
Key Features at a Glance
A heavy-duty high-pressure platform built for continuous pneumatic conveying.
Technical Specifications
Comprehensive performance parameters for the LWCF6-30 series.
The media exhausted by LWCF6-30 Type centrifugal fan is air non-corrosive gas with no spontaneous combustion and no viscous substances. The temperature will not exceed 80°C. This fan has specific properties such as high pressure, small flow and so forth. It is applicable for the pneumatic conveyance during the grain and cotton processing etc.
| Model | Drive Type | Speed (r/min) | Flow Rate (m³/h) | Total Pressure (Pa) | Matching Motor (KW-p) |
|---|---|---|---|---|---|
| LWCF6-30-5A-7.5-2P-1-001 | A | 2900 | 2240-4776 | 4393-3217 | 7.5-2 |
| LWCF6-30-6A-11-2P-1-001 | C | 2400 | 3204-6880 | 4325-3168 | 11-2 |
| LWCF6-30-6A-7.5-2P-1-002 | C | 2200 | 2937-6261 | 3638-2667 | 7.5-2 |
| LWCF6-30-6A-5.5-2P-1-003 | C | 2000 | 2670-5962 | 3011-2207 | 5.5-2 |
| LWCF6-30-6A-4-2P-1-004 | C | 1800 | 2403-5123 | 2442-1785 | 4-2 |
| LWCF6-30-7A-15-2P-1-001 | C | 2020 | 4282-9129 | 4185-3060 | 15-2 |
| LWCF6-30-7A-11-2P-1-002 | C | 1840 | 3900-8316 | 3462-2540 | 11-2 |
| LWCF6-30-7A-7.5-2P-1-003 | C | 1680 | 3562-7592 | 2893-2118 | 7.5-2 |
| LWCF6-30-7A-5.5-2P-1-004 | C | 1500 | 3180-6779 | 2305-1687 | 5.5-2 |
| LWCF6-30-9A-30-4P-1-001 | C | 1800 | 8120-14680 | 5482-4746 | 30-4 |
| LWCF6-30-9A-37-4P-1-002 | C | 1800 | 15990-17300 | 4403-4020 | 37-4 |
| LWCF6-30-9A-22-4P-1-003 | C | 1645 | 7420-12210 | 4580-4109 | 22-4 |
| LWCF6-30-9A-30-4P-1-004 | C | 1645 | 13410-15810 | 3962-3354 | 30-4 |
High Pressure for Efficient Conveying
LWCF6-30 centrifugal fan is designed for high-pressure, controlled-airflow applications, overcoming duct resistance to ensure reliable material conveying.
Generating up to 5,482 Pa of total pressure, this unit easily pushes dense granular materials through long pneumatic duct networks. Unlike standard ventilation fans that stall under heavy resistance, this high-pressure profile prevents pipeline blockages and ensures continuous factory operation.
- Reliable Pressure — engineered specifically to overcome severe pipe resistance
- Controlled Airflow — small flow, high pressure characteristic for pneumatic transport
- Prevents Clogging — maintains constant velocity to keep materials moving
Designed for Grain & Powder Conveying
Suitable for pneumatic conveying of grain, cotton, and similar materials, ensuring dependable airflow for efficient transfer.
This specialized blower handles air mixed with non-corrosive, non-spontaneous combustion materials. Its internal aerodynamics are tailored to lift and suspend solid particulates like wheat, flour, and raw cotton fibers without causing structural damage to the fan or the conveyed product.
- Grain & Seed Handling — powers agricultural silos and milling lines
- Powder Transport — moves non-viscous powders smoothly without stalling
- Secure Mounting Base — reinforced feet with fixing holes provide secure installation on frames
Thickened Carbon Steel Casing
Precision craftsmanship and spray coating ensure a durable, wear-resistant surface and reinforced structure for reliable long-term operation.
Pneumatic conveying is inherently abrasive as solid materials impact the fan housing. The LWCF6-30 utilizes heavy-gauge carbon steel plates to prevent casing fatigue and drumming. An industrial-grade protective coating safeguards the exterior against harsh processing environments.
- Reinforced Structure — rigid volute design resists deformation under extreme static pressure
- Durable Surface — corrosion-resistant spray finish handles humid industrial air
- Wear-Resistant — withstands the continuous abrasion of high-velocity particulates
Reliable Motor for Continuous Operation
The motor is selected to match the fan’s airflow and pressure requirements, providing dependable power for stable operation in pneumatic conveying applications.
Equipped with heavy-duty industrial asynchronous motors rated from 4 kW up to 37 kW, this unit guarantees thermal stability during 24/7 material handling shifts. The power curve is perfectly matched to the impeller load to prevent overloading during startup or system fluctuations.
- Dependable Power — motors specifically chosen for high-torque, high-pressure duty
- Thermal Stability — finned cast housings dissipate heat effectively
- S1 Continuous Duty — built for non-stop agricultural and factory processing
Optimized Impeller for Stable Air Delivery
The optimized centrifugal airflow design delivers steady air volume and reliable pressure, helping maintain consistent material movement throughout the conveying process.
Every impeller is precision-welded and rigorously balanced dynamically before assembly. This prevents material from adhering to the blades and eliminates eccentric shaking, ensuring the fan provides a constant, pulsation-free air stream to keep heavy grains and powders suspended.
- Steady Air Volume — engineered to prevent aerodynamic stall when handling dense media
- Continuous Conveying — guarantees material flows smoothly without settling in pipes
- Balanced Rotation — minimizes mechanical stress on bearings for long service life
Wide Industrial Applications
Built to handle demanding high-pressure material conveying scenarios across agricultural and heavy industries.
Grain Processing
High-pressure air delivery for milling, sorting, and agricultural seed processing plants.
Grain Conveying
Overcomes long duct resistance to transport wheat, corn, and rice into tall storage silos.
Powder Conveying
Stable airflow for transporting non-viscous powders like flour and chemical particulates.
Cotton Processing
Moves fine raw cotton fibers efficiently through textile manufacturing equipment.
Material Handling
Heavy-duty transport of solid granular materials across automated factory floors.
Pneumatic Conveying Systems
Integrates seamlessly into complex, high-pressure industrial duct networks.
LONGWELL — Trusted Industrial Fan Manufacturer Since 1990
Founded in 1990 in Yuyao, Ningbo — the heart of China’s advanced manufacturing belt — LONGWELL has grown from a precision fan component workshop into a vertically integrated ventilation technology group. Today we engineer AC, DC and EC fan and motor systems with 4,000 m²+ of manufacturing floor, dedicated aerodynamics and CFD simulation labs, and a global export network spanning Europe, the Americas and Asia-Pacific.
From material selection to final balancing, every LONGWELL fan is built on automated lines, computer-balanced impellers and 100% run-test before shipment. We are certified to ISO 9001:2015 and ISO 14001, with CE, UL/ETL, RoHS and EAC compliance, and performance tested to the AMCA 210/211 method.
Production & Delivery
Automated lines, computer-balanced impellers and a 100% run-test on every unit, so each LWCF6-30 fan arrives ready to install.
Global HVAC&R Exhibitions Participation
Meeting HVAC distributors, project contractors, and OEM engineering teams at international trade fairs worldwide.
Trusted by Leading Global HVAC Brands
24+ HVAC OEMs and equipment builders rely on LONGWELL for industrial centrifugal fans every year.
Complete Range of Professional & Certified
LONGWELL fans are independently certified to international quality, safety and energy-efficiency standards.
Global Market & Client Preference
The LWCF6-30 series is specified by HVAC distributors, material handling contractors and OEM clients across Europe, the Middle East, Southeast Asia and the Americas.
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View Product →Frequently Asked Questions
Quick technical answers about the LWCF6-30 grain and powder centrifugal fan series.
What is the primary application of the LWCF6-30 centrifugal fan?
The LWCF6-30 is specifically engineered for high-pressure pneumatic conveying. It is widely used in agricultural and industrial processing plants to move grain, cotton, and non-viscous powders through extensive duct networks.
What type of air can this material handling fan convey?
It is designed to exhaust air and non-corrosive gas that does not contain spontaneous combustion or viscous substances. The operating temperature should not exceed 80°C.
What makes the LWCF6-30 different from standard ventilation fans?
Unlike standard ventilation blowers that prioritize massive airflow, the LWCF6-30 features a "high pressure, small flow" characteristic. This allows it to overcome severe pipe resistance and push heavy solid materials consistently without stalling.
Is the fan casing durable enough for abrasive materials?
Yes, the scroll casing is constructed from thickened carbon steel and finished with a robust protective spray coating. This precision craftsmanship ensures a highly wear-resistant surface for long-term material conveying.
What is the airflow and pressure capacity of the LWCF6-30 series?
The series delivers flow rates ranging from 2,240 m³/h to 17,300 m³/h, and generates substantial total static pressure from 1,687 Pa up to 5,482 Pa, powered by industrial motors up to 37 kW.
Need a Quote or Custom Specs?
Send us the air volume, total pressure, and installation layout. Our engineers will match the right LWCF6-30 model and reply within 24 hours.
