Customizable Candle Filter for Your Needs

some description about product

Candle filter is a type of filtration device that uses a metal mesh as the filtering medium. It is designed to remove solid particles from liquid or gas streams in industrial applications.

The construction of a candle filter typically consists of a cylindrical housing with a metal mesh element, known as the candle, inside. The candle is made of a fine mesh material, usually stainless steel, that allows fluid to pass through while retaining solid particles. The mesh can have various weave patterns, such as plain weave or Dutch weave, to provide different filtration characteristics.

Candle metal filters offer several advantages in filtration applications. The use of metal mesh as the filtering medium provides excellent mechanical strength, durability, and resistance to temperature and corrosion. This makes them suitable for demanding operating conditions and applications where the filtration of abrasive or corrosive materials is required.

The filtration process in a candle metal filter is similar to other candle filters. The fluid to be filtered is directed through the candle under pressure, and solid particles are retained on the outer surface of the mesh as a filter cake. The accumulated particles form a layer that acts as an additional filtration barrier, improving the overall filtration efficiency.

Candle Filter


perforated candle filter screen

Perforated candle filter screen

Perforated candle filter screen is a specialized type of candle filter that incorporates a perforated metal screen as the filtration medium.

It is designed to separate solid particles from liquid or gas streams in industrial filtration applications.

The construction of a perforated candle filter screen includes a cylindrical housing with a perforated metal screen as the filter element. The screen is typically made of stainless steel or other corrosion-resistant metals. It contains uniformly spaced holes or perforations that allow the fluid to pass through while retaining solid particles.

The perforated design of the filter screen provides reliable filtration by capturing and retaining solid particles larger than the perforation size. The retained particles accumulate on the surface of the screen, forming a filter cake that further enhances the filtration efficiency.

wedge wire candle filter

Wedge wire candle filter

Wedge wire candle filter is a type of filter that utilizes a wedge wire screen as the filtration medium.

It is designed to separate solid particles from liquid or gas streams in industrial filtration applications.

The construction of a wedge wire candle filter includes a cylindrical housing with a wedge wire screen as the filter element. The wedge wire screen is made of stainless steel or other corrosion-resistant materials. It consists of V-shaped wires that are welded or looped together to form a continuous filtering surface with narrow slots or gaps between them.

Wedge wire candle filters offer excellent strength, durability, and resistance to temperature and corrosive substances. They are well-suited for demanding operating conditions and applications where fine particle removal and reliable performance are required.

stainless steel candle filter

Stainless steel candle filter

Stainless steel candle filter is a type of candle filter that employs a stainless steel filter element as the primary filtration medium.

It is designed to separate solid particles from liquid or gas streams in industrial filtration applications.

The construction of a stainless steel candle filter typically consists of a cylindrical housing with a stainless steel filter candle inside. The filter candle is made of high-quality stainless steel, such as 304 or 316 stainless steel, known for its corrosion resistance and durability. The filter candle can have various designs, including perforated tubes, wire mesh, or wedge wire screens, depending on the specific filtration requirements.

Filtration process in a stainless steel candle filter is similar to other candle filters. The fluid to be filtered is directed through the filter candle, and solid particles are retained on the filter surface. The accumulated particles form a filter cake, which enhances the filtration efficiency and aids in finer particle retention.

sintered metal candle filter

sintered metal candle filter

Sintered metal candle filter is a type of filtration device widely used in various industries to separate solids from liquids or gases.

 It consists of a cylindrical structure made of sintered metal, which is a material formed by compacting and heating metal particles until they bond together.

Sintered metal candle filter operates on the principle of depth filtration, where the filter media traps particles within its porous structure. The candle filter is typically composed of multiple layers of sintered metal, each with different pore sizes. This arrangement allows for efficient filtration by capturing particles of various sizes and preventing them from passing through the filter.

filter’s pore structure can be tailored to meet specific filtration requirements. The size and distribution of the pores can be customized to achieve the desired level of filtration efficiency and throughput. The sintering process allows for precise control over pore size, ensuring consistent and reliable performance over time.


Our company provides a kind of metal alloy to solve the problem of providing products with excellent

performance in high temperature and high corrosive environment. Our products are very strong

and welded or sintered. Length, diameter, thickness, alloy, medium grade and other specifications

can be adjusted during the production process, so that the product is suitable for a variety of

filtration, flow and chemical compatibility in different customer processes.


How does the candle filter handle different types of filtration media?

Custom metal candle filter

Solid Particles: Candle filters are effective at capturing solid particles suspended in a fluid. The filter media, often made of porous materials like sintered metal or woven wire mesh, features openings or pores of a specific size (micron rating).

Liquid Filtration: Candle filters excel in liquid filtration applications. They can remove suspended solids, contaminants, and impurities from various liquid streams, such as water, chemicals, or process fluids.

Viscous Fluids: Candle filters can handle viscous fluids, including oils and lubricants, provided that the filter’s design and flow rates are appropriate for the viscosity of the fluid. Lower flow rates may be required to ensure efficient filtration of highly viscous fluids.

Abrasive Particles: In applications where abrasive particles are present, the choice of filter media material is crucial. Candle filters with durable filter media, such as sintered metal, can withstand the abrasion caused by particles and maintain their filtration efficiency over time.

Are there specific guidelines for installing and securing the candle filter within a filtration system?

Candle filter production process

Installing and securing a candle filter within a filtration system requires careful consideration and adherence to specific guidelines. Start by selecting the ideal installation location, ensuring proper orientation, and providing a stable mounting structure. Correct sealing, alignment, and secure bracing are crucial to prevent leakage and maintain stability. Connect the inlet and outlet piping securely, including any pressure relief mechanisms if needed. If the filter includes backwash or cleaning systems, connect them to utilities accordingly. For automated systems, ensure safe electrical and control integration.

Candle filter cleaning

Material of candle filter

Cleaning Fluid or Solvent: Prepare a suitable cleaning fluid or solvent based on the type of contaminants and the filter media. This could be water, a chemical cleaning solution, or a combination, depending on the specific application.

Soaking: Immerse the candle filter in the cleaning fluid or solvent and allow it to soak for a specified period. This allows the contaminants to dissolve or loosen from the filter media.

Agitation (if needed): In some cases, gentle mechanical agitation, ultrasonic cleaning, or air pulsing may be used to aid in the removal of stubborn contaminants.

Rinsing: After soaking, thoroughly rinse the candle filter with clean water or an appropriate rinsing fluid to remove residual cleaning agents and contaminants.

Drying: Allow the filter to air dry or use compressed air to remove excess moisture. Ensure the filter is completely dry before reinstallation.

Are there any compatibility issues with certain chemicals or cleaning agents used during maintenance?

Construction of sintered metal candle filter

Compatibility issues with chemicals or cleaning agents during candle filter maintenance can be a critical concern. The filter’s construction material, must be chemically compatible with the chosen cleaning agents to prevent damage or corrosion. Additionally, considering the nature of the contaminants and their solubility is crucial to selecting effective cleaning agents. Temperature limits should be observed to prevent overheating, which can affect filter integrity. Safety precautions are paramount when handling hazardous or corrosive agents.

Does the filter have a specific surface finish or coating to enhance its resistance to corrosion?

Candle filter working principle

Passivation: Stainless steel candle filters are often passivated to enhance their corrosion resistance. Passivation is a chemical process that removes surface contaminants and promotes the formation of a protective oxide layer on the stainless steel, reducing the risk of corrosion.

Electropolishing: Electropolishing is a surface treatment method that can be applied to stainless steel candle filters. It not only enhances corrosion resistance but also provides a smooth, easy-to-clean surface.

Coatings: Various coatings can be applied to the filter’s surface. These coatings create a barrier between the filter material and corrosive substances, reducing the risk of corrosion.

Nickel Plating: Nickel plating can be applied to candle filters made of materials like brass to improve corrosion resistance.



Most frequent questions and answers

Stainless steel sintered mesh candle filter is a type of candle filter that utilizes a sintered mesh made of stainless steel as the filter media. Sintered filters is produced by compacting and sintering stainless steel wires or fibers, creating a solid and porous structure with interconnected pores.

Filter design offers high mechanical strength, corrosion resistance, and excellent filtration efficiency. The mesh structure provides a large surface area for effective particle retention and allows for efficient fluid flow. Stainless steel sintered mesh candle filters are commonly used in various industries for solid-liquid and solid-gas separation applications, offering reliable and long-lasting filtration performance.

Candle filters and perforated filter systems differ in their filtration mechanisms. A candle filter utilizes a depth filtration principle, where the fluid passes through a porous filter media, trapping particles within its structure.


In contrast, perforated filter systems rely on the physical barrier of perforated plates or screens to separate particles based on size. Candle filters provide higher filtration efficiency, as they can capture particles of various sizes throughout the depth of the filter media.


Perforated filters, on the other hand, are generally used for coarse filtration, where larger particles are blocked by the perforations while smaller particles may pass through.

The main components of a stainless steel candle filter typically include:


1.Filter element: The central component of the candle filter is the filter element, which is made of sintered stainless steel mesh or a stack of sintered metal layers. It provides the filtration media where particles are captured.


2.Housing: The housing is the outer structure that holds and supports the filter element. It can be made of stainless steel or other materials and is designed to withstand the operating conditions and pressure of the filtration system.


3.Sealing mechanism: The sealing mechanism ensures a tight seal between the filter element and the housing, preventing fluid bypass and maintaining proper filtration efficiency.


4.Inlet and outlet connections: These connections allow the fluid to enter and exit the filter, providing a path for the filtration process.

The maximum filtration capacity of a stainless steel candle filter cartridge can vary depending on several factors, including the size of the cartridge, the specific design and construction of the filter, and the application requirements.


However, stainless steel candle filter cartridges are typically capable of handling high flow rates and can achieve filtration capacities ranging from a few liters per minute to several hundred or even thousands of liters per minute. The actual filtration capacity of a specific stainless steel candle filter cartridge should be determined based on the manufacturer’s specifications, taking into consideration the desired filtration efficiency and the characteristics of the fluid being filtered.

Perforated candle filter screen can be used for filtration purposes. While traditional candle filters typically utilize a porous media, such as sintered metal or mesh,its employ the perforations in the screen itself to separate particles based on size. The perforations act as physical barriers, allowing fluid to pass through while capturing larger particles that cannot pass through the openings.


However, it’s important to note that perforated screens are generally suitable for coarse filtration applications, where the primary objective is to remove larger particles, as they may not offer the same level of filtration efficiency as porous media filters in capturing smaller particles.

Stainless steel candle filter elements find applications in various industries due to their durability and effective filtration capabilities. Some typical applications include:


1.Pharmaceutical: Filtration of active pharmaceutical ingredients (APIs), final product clarification, and removal of particulate contaminants.


2.Food and beverage: Removal of solid impurities from beverages, clarification of edible oils, filtration of sugar syrups, and food processing applications.


3.Petrochemical: Filtration of catalysts, removal of solid contaminants from process fluids, and protection of critical equipment.


4.Wastewater treatment: Filtration of wastewater streams for solid-liquid separation and removal of suspended solids before further treatment.


5.Automotive: Filtration of lubricants, coolants, and hydraulic fluids to ensure the smooth operation of engines and other components.

Candle filter and brewing basket filter are two different types of filtration systems used in distinct applications.


Candle filters, typically made of sintered metal, are designed for industrial applications. They employ depth filtration to capture particles throughout the porous filter media, providing high filtration efficiency and durability. They are commonly used in industries such as pharmaceuticals, petrochemicals, and wastewater treatment.


Brewing basket filters, on the other hand, are used in the brewing industry for filtering coffee grounds or tea leaves during the brewing process. They are typically made of materials like stainless steel or mesh, allowing liquid to pass through while retaining the grounds or leaves. Their purpose is to ensure a clean and sediment-free beverage.

Using a candle filter offers several advantages:


1.High filtration efficiency: Candle filters provide efficient filtration due to their depth filtration mechanism, capturing particles throughout the entire filter media.


2.Versatility: Candle filters can be customized with different pore sizes, allowing for a wide range of filtration applications and the removal of particles of varying sizes.


3.Durability: Candle filters made of sintered metal offer excellent mechanical strength and can withstand harsh operating conditions, ensuring long-lasting performance.


4.Large dirt-holding capacity: Candle filters can accumulate a significant amount of solid contaminants before requiring cleaning or replacement, reducing maintenance frequency.


5.Chemical resistance: Candle filters made of materials like stainless steel offer excellent chemical resistance, making them suitable for diverse industrial applications.


6.Easy maintenance: Candle filters are typically easy to clean or replace, minimizing downtime and optimizing filtration system efficiency.

To clean and maintain a wire mesh candle filter, follow these steps:


1.Backwashing: Reverse the flow of the fluid through the filter to dislodge and remove accumulated particles. This can be done by reversing the flow direction or using a backwashing system.


2.Ultrasonic cleaning: Submerge the wire mesh candle filter in a cleaning solution while subjecting it to ultrasonic waves. This helps to dislodge and remove finer particles that may be trapped within the mesh.


3.Mechanical agitation: Gently brush or agitate the wire mesh surface to further remove any remaining particles or debris.


4.Rinse: Thoroughly rinse the filter with clean water to remove any cleaning solution or loosened particles.


5.Inspection: Inspect the wire mesh candle filter for any damage or clogging. If necessary, replace the filter element or repair any damaged parts.

Wedge wire candle filters are suitable for high-temperature and corrosive environments. Filters are made from durable materials such as stainless steel or other alloys that offer excellent corrosion resistance. They can withstand high temperatures without compromising their structural integrity or filtration performance.


The design of wedge wire filters allows for efficient fluid flow and particle retention, making them well-suited for applications where high temperatures and corrosive substances are present. They are commonly used in industries such as petrochemicals, oil and gas, and chemical processing, where filtration in harsh environments is required.

Steel filter candle can be used in conjunction with other filtration systems. Steel filter candles are versatile and can be integrated into filtration setups that involve multiple stages or different types of filters. They can serve as a primary filtration stage, capturing larger particles and protecting downstream filters from clogging.


Additionally, steel filter candles can be combined with other filtration technologies, such as activated carbon filters or membrane filters, to achieve a comprehensive and effective filtration process. This combination allows for the removal of a wide range of contaminants and ensures optimal filtration efficiency in various industrial applications.

there are environmental considerations when using candle filters. Some key points to consider include:


1.Waste management: Proper disposal or recycling of spent filter elements is crucial to minimize environmental impact. Follow local regulations for the disposal of used filter media.


2.Energy consumption: Operating and cleaning candle filters may require energy-intensive processes, such as backwashing or ultrasonic cleaning. Employ energy-efficient practices to minimize energy consumption.


3.Chemical usage: Depending on the application, the use of cleaning agents or chemicals during filter maintenance can impact the environment. Select environmentally friendly cleaning agents and follow appropriate handling and disposal procedures.


4.Filtrate discharge: Monitor and manage the disposal of filtrate, ensuring that it meets regulatory standards for environmental protection.

When choosing a stainless steel candle filters supplier, several key factors should be considered:


1.Quality: Ensure the supplier offers high-quality stainless steel candle filters that meet industry standards and provide reliable filtration performance.


2.Customization: Look for a supplier that can provide customized solutions tailored to your specific filtration requirements, including pore size, dimensions, and compatibility with the intended application.


3.Material selection: Check if the supplier offers a range of stainless steel materials suitable for your application, with corrosion resistance and durability.


4.Reputation and experience: Consider the supplier’s reputation, customer reviews, and their experience in supplying stainless steel candle filters for various industries.


5.Technical support: Look for a supplier that offers technical support, including guidance on filter selection, installation, and maintenance.


6.Pricing and delivery: Evaluate the supplier’s pricing competitiveness and their ability to deliver the filters in a timely manner.

Metal wire mesh candle filters manufacturer typically follow a comprehensive quality assurance process to ensure the quality and reliability of their products. The process may include:


1.Raw material inspection: Thorough inspection of the incoming wire mesh materials to verify their quality, dimensions, and specifications.


2.Manufacturing process control: Strict adherence to manufacturing processes, including cutting, shaping, and welding, with regular quality checks and inspections at each stage.


3.Dimensional and visual inspection: Inspection of the finished candle filters for dimensional accuracy, surface defects, and overall visual appearance.


4.Performance testing: Performance testing of the filters to assess their filtration efficiency, flow rate, and pressure drop.


5.Documentation and traceability: Maintaining comprehensive documentation of manufacturing processes, inspections, and test results to ensure traceability and accountability.

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