Центробежный шахтный вентилятор типа C с регулируемой скоростью - экономичный и эффективный от китайских поставщиков и фабрики
Product Video
Product Description
Compact and Space-Saving
The pulley is installed inside the inner bearings, which significantly reduces the axial dimensions and results in a more compact overall structure. This design is well suited for scenarios such as small machine rooms, equipment mezzanines, and installations with limited lateral space, eliminating the need for significant additional installation areas and maximizing the use of space.
Flexible Speed Control at Low Cost
Without the need for variable frequency equipment, the impeller speed can be precisely adjusted by replacing pulleys of different diameters, adapting to changing airflow and pressure requirements. This speed adjustment operation is simple and significantly less costly than a variable frequency upgrade, making it particularly suitable for scenarios involving seasonal load fluctuations or requiring flexible parameter adjustment.
Simple and Convenient Maintenance
Transmission components such as belts and pulleys are easily removable. No special tools are required for routine inspections, tensioning, or replacement. Wear parts (belts) have a low cost and a clearly defined replacement cycle (1–2 years). Basic maintenance can be performed by non-specialists, reducing operating costs and minimizing downtime.
Smooth Operation with Minimal Failures
The symmetrical dual-bearing support with pulleys positioned inside the bearings ensures more even force distribution, reducing vibration and wear caused by unilateral loading. This provides reliable operational stability, extended bearing service life, and a low equipment failure rate.
Suitable for Various Main Operating Conditions
Compatible with various materials including steel and fiberglass-reinforced plastic (FRP), it can be adapted for use in specialized models such as corrosion-resistant (FC series) and general-purpose variants. Combined with various impeller configurations (forward/backward), it is suitable for a wide range of medium and low power applications including ventilation, small-scale exhaust purification, and auxiliary boiler air supply, offering exceptional versatility.
Application Scenarios
Detailed Photos
Frequently Asked Questions
Q
What makes this fan design more space-efficient than conventional fans?
The pulley is mounted inside the inner bearings rather than externally, which significantly reduces the axial length of the unit. This compact structure is ideal for installations with limited space, such as small machine rooms, equipment mezzanines, or tight lateral clearances.
Q
Can the fan speed be adjusted without installing a variable frequency drive (VFD)?
Yes. The impeller speed can be precisely adjusted simply by replacing pulleys of different diameters. This method is far more cost-effective than installing a variable frequency drive and is especially suitable for applications with seasonal load changes or where flexible airflow adjustments are needed.
Q
How often do the belts need to be replaced, and can non-specialists perform the maintenance?
Belts typically have a replacement cycle of 1 to 2 years depending on usage conditions. They are low-cost wear parts and can be removed and replaced without special tools. Routine maintenance tasks such as inspection, tensioning, and belt replacement can be carried out by general maintenance personnel, helping to reduce operational costs and minimize downtime.
Q
How does the dual-bearing symmetrical support improve operational reliability?
With the pulleys positioned inside the bearings and supported symmetrically on both sides, the mechanical load is distributed more evenly. This reduces vibration, minimizes unilateral wear, extends bearing service life, and results in a significantly lower equipment failure rate compared to cantilevered or single-side supported designs.
Q
What materials are available, and is a corrosion-resistant version offered?
The fan is available in both steel and fiberglass-reinforced plastic (FRP) construction. A dedicated corrosion-resistant series (FC series) is available for environments involving corrosive gases or harsh chemical conditions. Both forward and backward impeller configurations can be selected to match specific application requirements.
Q
What are the typical application scenarios for this type of fan?
This fan is well suited for a wide range of medium and low power applications, including general building and industrial ventilation, small-scale exhaust gas purification systems, auxiliary combustion air supply for boilers, and mine ventilation. Its versatility across different impeller configurations and material options makes it adaptable to both standard and specialized environments.
