Navy Explosion Proof Centrifugal Fan - Marine Centrifugal Fan - Hi-sea

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Navy Explosion Proof Centrifugal Fan

Navy Explosion Proof Centrifugal Fan

1. General
Navy explosion-proof centrifugal fans are specialized equipment used on naval vessels, submarines, and other military ships to provide ventilation and air conditioning in hazardous environments where the risk of explosion is high. These fans must meet strict military specifications and regulations, including those set by the Navy, to ensure they are safe, reliable, and durable.

2. Configuration Options:

Name of Parts

Material

Advantages/Disadvantages

Shell

Carbon Steel

Higher hardness and better wear resistance can be obtained after heat treatment. The hardness in the annealed state is very moderate, and it also has good machinability. Raw materials are very common, simple and easy to obtain, and the production cost is relatively low.

Impeller

Aluminium Alloy

Low density, high strength, good electrical and thermal conductivity, good corrosion resistance, easy processing

Motor

Finished marine motor with low noise, low vibration and high protection level

3. Specific Difference Between Us and Other Suppliers

Comparison

Product Picture of other low quality supplier


Product Picture of our factory


Other low quality supplier

Consequence

Our Factory

Result

The thickness of the chassis steel plate is thin.

Easy to deform and directly affect the service life

Use steel plates with national standard thickness

The thickness of the steel plate is standard, and the product can be used for a longer time.

inferior materials or inadequate protection


centrifugal fans may be susceptible to corrosion


Choose good quality material

Not easy to corrosion, increase safety performance

The selection of air pressure and air volume that cannot meet the requirements

The working efficiency of the fan is low. In severe cases, the centrifugal fan may even be unable to meet the requirements of use.

Select as required

Only when the nominal performance is met, will the actual system and the required pumping air volume be achieved.

Choose a common motor for use as a marine motor

The insulation level does not meet the requirements

Strictly select marine motors

The shell has a higher protection level, has a certain explosion-proof property, is more resistant to moisture and corrosion, and has a longer service life

Explosion-proof grade selection not made as required

The motor does not meet the explosion-proof requirements and is prone to danger

Explosion-proof grade selection in strict accordance with application requirements, etc.

Product use is safer and longer

4. Features
Some of the key features of Navy explosion-proof centrifugal fans include:

Explosion-proof construction: These fans are designed with explosion-proof materials and components, including reinforced housings, explosion-proof motors, and spark-resistant impellers. This construction is intended to prevent sparks or flames from igniting flammable gases or other substances in the surrounding environment.

High efficiency: Navy explosion-proof centrifugal fans are designed to be highly efficient, using advanced technology and optimized designs to minimize energy consumption and reduce operating costs.

Low noise and vibration: These fans are designed to operate quietly and smoothly, with low noise and vibration levels that minimize disturbances to the crew and reduce the risk of damage or wear to the fan's components.

Corrosion-resistant materials: Naval environments can be highly corrosive, so Navy explosion-proof centrifugal fans are often made from high-quality, corrosion-resistant materials that can withstand the harsh conditions and resist corrosion.

Compliance with military specifications: These fans must meet strict military specifications and regulations, including those set by the Navy, to ensure they are safe, reliable, and meet the needs of the naval vessel.

Robust and durable design: Navy explosion-proof centrifugal fans are designed to be robust and durable, with features such as rugged construction, heavy-duty bearings, and reinforced motor mounts that can withstand the demands of naval operations.

5.Failure Analysis and Maintenance:

Fault Characteristics

main reason

Method of exclusion

High pressure, low flow

Reversed handedness or change in gas density

Change handedness or reduce gas density

Impeller inlet clearance or blade wear

Adjust the clearance or overhaul the impeller

Air duct blocked

Eliminate blockages or repair lines

Low pressure and high flow

change in gas density

increase gas density

Broken air duct

Repair the pipeline

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