Industrial strainers

some description about product

Industrial strainers are essential components used in various industrial processes to remove unwanted particles and impurities from liquids and gases. They play a crucial role in maintaining the efficiency, reliability, and longevity of machinery and equipment in numerous industries, including oil and gas, petrochemical, chemical processing, power generation, water treatment, food and beverage, and pharmaceuticals.

One of the primary functions of metal industrial strainers is to protect sensitive equipment such as pumps, valves, compressors, and heat exchangers from damage caused by foreign particles.  These particles can include debris, dirt, rust, scale, and other contaminants that may be present in the process fluid. By removing these impurities, the strainers help prevent equipment clogging, erosion, and premature wear, leading to improved operational performance and reduced maintenance costs.

Metal industrial strainers come in various designs and configurations to suit specific application requirements. The most common types include Y-strainers, basket strainers, duplex strainers, and temporary strainers.

Y-strainers feature a compact design and are typically used in low-flow applications, while basket strainers offer higher flow capacities and are ideal for removing larger volumes of debris. Duplex strainers provide continuous filtration with dual chambers, allowing uninterrupted flow even during maintenance. Temporary strainers, on the other hand, are used during plant commissioning or maintenance activities and can be easily removed after use.

Industrial strainers are vital components in numerous industrial processes, serving as the first line of defense against foreign particles and impurities.  


industrial cone strainers

Industrial cone strainers consist of a tapered cone-shaped body with a fine mesh or perforated metal

screen covering the inner surface. The wide opening of the cone allows for the easy entry of the unfiltered liquid, while the narrow end directs the filtered liquid out through the discharge port.

The shape allows for a larger filtration surface area compared to traditional flat filters, making cone strainers more effective at trapping solid particles while maintaining a minimal pressure drop across the strainer.

Industrial cone strainers with their cone-shaped design are indispensable tools in many industrial processes. Their unique shape, combined with high-quality metal construction, makes them highly efficient in filtering out solid particles and debris from liquids.

With easy installation, maintenance, and a wide range of applications, cone strainers continue to be a reliable choice for industries that demand precise and effective filtration solutions.

industrial stainless steel strainers

Industrial stainless steel strainers are typically cylindrical in shape, with a hollow center and

perforated or mesh-lined walls. strainers are constructed entirely from stainless steel, which can be either 304 or 316 grade, depending on the application and the level of corrosion resistance required. Both grades are commonly used for their excellent resistance to rust and corrosion, but 316 stainless steel offers superior resistance to more aggressive environments.

The strainers feature a removable or fixed filtration media, which can be in the form of a perforated metal sheet, woven wire mesh, or wedge wire screen. The choice of filtration media depends on the specific application and the size of particles to be separated. Fine mesh is used for applications requiring high precision filtration, while perforated metal sheets are used for coarser particle removal.

Industrial stainless steel strainers come with various connection types, such as flanged ends, threaded ends, or socket weld ends, to facilitate easy installation into pipeline systems. They are available in a wide range of sizes to accommodate different flow rates and applications, making it easier to find the most suitable strainer for specific industrial processes.

industrial oil strainer

industrial oil strainer

Industrial oil strainers are engineered with a focus on effective filtration and durability. They are typically constructed from robust materials

such as stainless steel or high-quality metal alloys that offer excellent corrosion resistance and mechanical strength. This choice of materials ensures that the strainer can withstand harsh operating conditions and prolonged exposure to oil without compromising its performance.

Strainers are designed with varying capacities to accommodate different flow rates and oil volumes. They feature a filter element that can be a fine mesh screen, wire cloth, or perforated metal sheet, depending on the application and the level of filtration required. The filter element is responsible for trapping solid particles and contaminants present in the oil.

Some industrial oil strainers have a bypass valve or differential pressure indicator to indicate when the strainer needs cleaning or replacement.

This feature is particularly useful in continuous industrial processes, as it ensures timely maintenance and prevents any potential damage to downstream equipment due to clogging.

industrial basket strainers

industrial basket strainers

Industrial basket strainers consist of a cylindrical housing with an inlet and an outlet port.

Inside the housing, a perforated metal basket is placed to capture solid particles and debris from the fluid. The perforations in the basket can be tailored to achieve different levels of filtration, making them suitable for a wide range of applications.

When the fluid flows through the strainer, the debris and particles are trapped inside the basket, allowing only clean fluid to pass through and continue down the pipeline. To clean the strainer, it is simply taken out of the housing, and the trapped particles are removed from the basket. This ease of maintenance ensures minimal downtime and efficient operation.

industrial inline water strainer

The primary body of the industrial inline water strainer is typically made of robust materials such

as stainless steel, carbon steel, or durable plastics. The housing protects the internal components and maintains structural integrity under varying pressure conditions.

The heart of the strainer is the filtration element, which can be a wire mesh, perforated plate, or wedge wire screen. This element is responsible for capturing and retaining particles of different sizes, preventing them from entering downstream equipment.

The strainer features inlet and outlet connections that allow water to flow through the system while undergoing filtration. These connections are carefully engineered to minimize pressure drop and maintain efficient water flow.

industrial pump strainers

The design and operation of industrial pump strainers vary based on the specific requirements of

the application, flow rates, and the size of particles to be filtered. They are available in different configurations, including basket strainers, Y-strainers, and duplex strainers, each offering distinct advantages for particular scenarios.

Basket strainers are cylindrical in shape and feature a removable basket within, which contains a fine mesh or perforated lining to trap small particles. Fluid flows from the outside to the inside of the basket, enabling easy removal and cleaning of accumulated debris, ensuring continuous and efficient filtration.

Y-strainers, on the other hand, have a compact, Y-shaped design with a screen or perforated lining. Fluid enters through one end, flows through the strainer, and exits through the other end.  These strainers are ideal for applications with lower flow rates and where space is limited, providing effective protection against larger particles.

Duplex strainers consist of two separate strainer chambers, allowing uninterrupted operation during maintenance. When one chamber becomes clogged, the flow is directed to the other chamber, while the clogged chamber can be cleaned without interrupting fluid flow.  This design ensures continuous filtration and enhances system reliability.

They provide vital equipment protection by preventing debris and solid particles from reaching and damaging the pump’s critical components, including impellers and seals. This protection extends the life of the pump and reduces the likelihood of costly breakdowns.


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.


What materials are used for manufacturing industrial strainers?

Industrial strainers are commonly manufactured using a variety of durable materials to suit different industrial applications and operating conditions. The most common materials used for manufacturing metal industrial strainers include:

1.Stainless steel: Stainless steel is widely used due to its excellent corrosion resistance, making it suitable for applications where fluids may be corrosive or contain aggressive chemicals.

2.Carbon steel: Carbon steel is known for its strength and affordability, making it a popular choice for general industrial applications.

3.Cast iron: Cast iron strainers are valued for their strength and durability, often used in heavy-duty applications with high flow rates and larger particle sizes.

4.Bronze: Bronze strainers are preferred in marine and seawater applications due to their corrosion resistance and ability to withstand harsh environments.

The choice of material depends on factors such as the fluid being processed, the operating temperature, pressure, and the specific requirements of the industrial process.

Industrial strainers installation

Industrial strainers are crucial components used in various industrial processes to remove unwanted solids from liquids or gases. Their installation is a vital step in ensuring the efficiency and reliability of the industrial system.

During installation, the first step is to select the appropriate strainer size and type based on the application’s requirements. Properly sized strainers are essential to prevent clogging and pressure drop issues.

Next, the strainer should be positioned strategically in the pipeline to facilitate easy access for maintenance and cleaning. Careful consideration should be given to the type of strainer element (e.g., perforated plate, wire mesh, or wedge wire) based on the particulate characteristics and flow rate. Additionally, the strainer housing should be constructed of high-quality metal, resistant to corrosion and pressure, ensuring longevity and safety.

Proper gaskets and seals must be employed to prevent any leakage, ensuring the system operates efficiently and without any potential hazards.

Lastly, the strainer should be equipped with suitable connections, valves, and bypass arrangements to allow for quick and easy maintenance without halting the overall process.

What types of straining elements are available?

types of straining elements are available

Industrial strainers offer a wide range of straining elements designed to handle various industrial applications and filtration requirements. Some common types of metal straining elements include:

1.Perforated plates: These straining elements consist of metal plates with evenly spaced holes, offering effective filtration for larger particles and debris.

2.Wire mesh screens: Made of woven metal wires, wire mesh screens are available in different mesh sizes to capture smaller particles and contaminants.

3.Wedge wire screens: These straining elements feature V-shaped wires, providing precise filtration for finer particles and offering increased strength and durability.

4.Metal baskets: Metal baskets with perforated or mesh linings are commonly used in basket strainers to trap and retain debris and solids.

5.Metal cartridges: Metal cartridges come in cylindrical form and are made of metal mesh or pleated metal, offering high-efficiency filtration for a range of particle sizes.

6.Metal sintered filters: These filters are made by sintering metal particles, creating a porous structure that ensures efficient filtration and excellent mechanical strength.

7.Metal discs: Metal discs with holes or slots are used as straining elements in some applications to remove larger particles from the fluid.

The choice of metal straining element depends on factors like fluid properties, flow rates, desired filtration level, and the specific industrial application. Proper selection ensures effective filtration and protection of industrial equipment, contributing to smooth operations and increased equipment lifespan.

How do different straining elements affect the pressure drop of the strainer?

pressure drop of the strainer

Pressure drop across a strainer is a critical parameter that impacts the system’s overall performance.The pressure drop of an industrial strainer is influenced by several factors, including the straining element. Different straining elements, such as perforated screens, wire mesh, wedge wire, or sintered metal, can significantly affect the pressure drop.

Perforated screens are common and offer low pressure drops due to their larger open area, allowing for higher flow rates. Wire mesh strainers provide moderate pressure drops while effectively filtering smaller particles.

Wedge wire elements, with their precise filtration capabilities, tend to create higher pressure drops due to their fine filtration and increased resistance. Sintered metal strainers also have high pressure drops, but they offer excellent filtration down to submicron levels.

Industrial strainers working principle

The working principle of industrial strainers is to remove unwanted solids from liquids or gases, ensuring the smooth operation of industrial processes and protecting downstream equipment. As the fluid flows through the strainer housing, it encounters the straining element, which traps and retains the solid particles while allowing the clean fluid to pass through.

How does the strainer design prevent bypassing fluid from passing through?

strainer design

Industrial strainer design is specifically engineered to prevent bypassing fluid and effectively filter out solid particles from industrial fluids. It achieves this through various design elements.

Firstly, industrial strainers prevent bypassing fluid by having a well-engineered and substantial filtration area. The strainer’s filtering medium, which can be made of fine mesh screens or perforated plates, ensures that the fluid must flow through the filtration elements. As the fluid passes through these components, solid particles are captured and separated from the fluid, effectively preventing them from bypassing the strainer.

Secondly, industrial strainers are designed with a focus on secure sealing and minimal leakage. They are constructed using high-quality materials and precision machining to create tight seals and gaskets. This prevents any gaps or openings that could allow the fluid to bypass the strainer without undergoing filtration. The secure sealing ensures that all the fluid entering the strainer must pass through the filtration medium, eliminating the possibility of bypassing.

Additionally, industrial strainers are sized correctly based on the specific application’s flow rate and particle size requirements. Moreover, the strainer’s inlet and outlet ports are strategically positioned to enforce a specific flow direction, ensuring that the fluid is forced through the strainer and cannot bypass the filtration process.

Can the industrial strainers be supplied with various end connections to suit different piping systems?

various end connection of industrial strainers

Industrial strainers can be supplied with various end connections to suit different piping systems. Manufacturers often offer a wide range of end connection options, including flanged, threaded, socket weld, butt weld, and tri-clamp connections, among others.

This flexibility allows the strainers to be easily integrated into diverse industrial setups, accommodating the specific requirements and standards of different piping systems. The ability to choose from various end connections ensures that the industrial strainers can be seamlessly installed and effectively perform their filtration function in a wide range of applications and industries.


Most frequent questions and answers

Industrial mesh strainers are suitable for liquid, gas, and steam filtration applications. Fine mesh or perforated screens used in these strainers effectively capture solid particles from various fluids, including liquids, gases, and steam. They are commonly used in industrial processes where particle removal is necessary to protect equipment, ensure product quality, and maintain system efficiency.

Mesh strainers are designed to withstand different operating conditions and fluid properties, making them versatile and reliable solutions for filtration requirements in a wide range of industries, including oil and gas, petrochemical, water treatment, pharmaceuticals, and more.


The expected flow rate capacity of industrial cone strainers can vary widely depending on their size, design, and the specific application they are intended for. strainers are typically used for applications where a moderate to high flow rate is required, and they are designed to handle a wide range of fluid viscosities.

Smaller cone strainers, with diameters ranging from 1 to 4 inches, may have flow rate capacities in the range of 5 to 50 gallons per minute (GPM). Medium-sized cone strainers, with diameters between 6 and 10 inches, can handle flow rates of 50 to 200 GPM. Larger cone strainers, with diameters exceeding 10 inches, may have flow rate capacities of 200 GPM or more.

Industrial stainless steel strainers can be supplied with additional features such as drain plugs, vent valves, or differential pressure gauges to enhance their functionality and usability in specific applications.

Drain plugs are commonly integrated into industrial stainless steel strainers to facilitate easy removal of accumulated debris and contaminants from the strainer body.  They provide a convenient way to drain the collected solids and liquids without the need to disassemble the entire strainer assembly, reducing downtime and maintenance efforts.

Vent valves are another valuable feature that can be incorporated into stainless steel strainers.  These valves allow the release of trapped air or gas from the strainer chamber, preventing airlocks and ensuring smooth flow through the system.

Differential pressure gauges are critical instruments used to monitor the pressure difference between the inlet and outlet of the strainer. By displaying this pressure differential, operators can assess the strainer’s performance and identify when it requires cleaning or maintenance.  

The addition of these features to industrial stainless steel strainers can significantly enhance their overall functionality, making them more efficient, user-friendly, and adaptable to various industrial processes.

Industrial metal strainers are offered in various surface finishes to suit different applications and environmental conditions. Some common surface finishes include:

1.Painted: Strainers can be coated with paint to provide corrosion resistance and protection against environmental elements. Painted surfaces also offer an aesthetically pleasing appearance.

2.Coated: Strainers may be coated with materials such as epoxy, PVC, or Teflon to enhance their chemical resistance and prevent reactions with corrosive fluids or gases.

3.Polished: Polished finishes provide a smooth and reflective surface, which is beneficial for applications where hygiene and cleanability are critical, such as food and pharmaceutical industries.

4.Electropolished: This finish involves a specialized electrochemical process that removes surface impurities and improves corrosion resistance, making it ideal for applications requiring high cleanliness and resistance to aggressive chemicals.

5.Passivated: Passivation is a chemical process that removes free iron and contaminants from the metal’s surface, enhancing corrosion resistance, particularly in stainless steel strainers.

Each surface finish offers unique advantages, and the selection depends on the specific requirements of the application, the environment, and the materials being processed.

Industrial conical strainers are specifically engineered to offer ease of maintenance while efficiently removing unwanted particles and debris from liquid or gas flow in industrial processes.

The design of industrial conical strainers revolves around practicality and functionality. Typically constructed from durable materials such as stainless steel or other corrosion-resistant alloys, these strainers can withstand harsh operating conditions and last for extended periods without requiring frequent replacement. The robust build ensures minimal wear and tear, reducing maintenance needs.

Many designs include a removable element, which can be easily accessed and cleaned without disassembling the entire system. This significantly reduces downtime during maintenance operations, resulting in increased productivity and cost savings for industrial processes.

Additionally, some conical strainers are equipped with backwashing capabilities. This feature enables the strainer to reverse the flow of the medium and flush out accumulated debris automatically, further simplifying maintenance procedures and ensuring continuous operation.

Industrial oil strainers offer unique advantages compared to other filtration technologies in various industrial applications. One significant advantage is their durability and resistance to harsh environments.

Compared to other filtration technologies like fabric or paper filters, metal oil strainers have a longer lifespan and require less frequent replacement, resulting in reduced maintenance costs and downtime. Their robust construction also allows for higher flow rates and lower pressure drops, ensuring efficient oil filtration without sacrificing system performance.

Industrial drain strainers are well-suited for use in aggressive fluid environments. Strainers are typically made from corrosion-resistant metals such as stainless steel, brass, or bronze, which can withstand exposure to various aggressive fluids, including corrosive chemicals, acids, and caustic substances.

Metal construction ensures that the drain strainers remain durable and effective, even in harsh conditions. Their resistance to corrosion and chemical degradation makes them a reliable choice for industrial applications where aggressive fluids are present, ensuring efficient drainage and protection of downstream equipment.

There are options for automated cleaning of industrial inline water strainers to reduce downtime during maintenance. One common automated cleaning method is the use of backwashing systems. Backwashing involves reversing the flow of water through the strainer, dislodging and flushing out accumulated debris and contaminants.

This process can be triggered based on a predetermined schedule or set to activate when pressure differentials reach a certain threshold, ensuring proactive and efficient cleaning.

Additionally, some metal inline water strainers are equipped with self-cleaning mechanisms, such as rotating brushes or scraper blades. These components continuously clean the strainer surface, preventing debris from building up and reducing the frequency of manual maintenance.

Another option is incorporating an automatic purge system that periodically removes trapped contaminants from the strainer, preventing clogging and maintaining consistent filtration efficiency.

Stainless steel strainer basket industrial can be used in both high-flow and low-flow applications. The versatility of stainless steel allows it to be manufactured with varying mesh sizes and designs, making it suitable for a wide range of flow rates.

In high-flow applications, where large volumes of fluids need to be filtered, stainless steel strainer baskets with larger mesh openings can be utilized. These strainers can handle high flow rates without causing excessive pressure drops, ensuring efficient filtration while maintaining the required throughput.

In low-flow applications, where precise filtration is essential, stainless steel strainer baskets with finer mesh openings are employed. These strainers effectively capture smaller particles and contaminants in the fluid, providing the necessary level of filtration for sensitive equipment and processes.

The certifications that metal industrial basket strainers comply with may vary depending on the manufacturer and the intended application. However, some common certifications that strainers may adhere to include:

1.ISO 9001: This certification ensures that the manufacturer maintains a high standard of quality management in the production process.

2.ASME (American Society of Mechanical Engineers) Standards: Compliance with ASME standards ensures that the strainers meet specific engineering and safety requirements.

3.API (American Petroleum Institute) Standards: Strainers used in the oil and gas industry may comply with API standards, ensuring their suitability for these applications.

4.ANSI (American National Standards Institute) Standards: Compliance with ANSI standards indicates that the strainers adhere to nationally recognized criteria for performance and safety.

5.CE (Conformité Européenne) Marking: Strainers intended for sale in the European Economic Area may carry the CE mark, signifying compliance with European safety and environmental regulations.

It is essential to check with the manufacturer or supplier to confirm the specific certifications held by their metal industrial basket strainers.

Industrial metal screen strainers are highly versatile and can be used for coarse, medium, or fine filtration based on the straining element selection. Strainers are designed to accommodate different types of straining elements, such as wire mesh screens, perforated plates, or wedge wire screens, which come in varying mesh sizes and configurations.

For coarse filtration, strainers equipped with larger mesh openings or perforations are used to capture larger particles and debris from the fluid flow. They are commonly employed in applications where large contaminants need to be removed from the process stream.

For medium filtration, strainers with intermediate mesh sizes or perforations are used to capture particles of moderate sizes. These strainers strike a balance between flow rate and particle removal efficiency.

For fine filtration, strainers with finer mesh sizes or specialized wedge wire screens are utilized. They can effectively capture smaller particles and impurities, making them suitable for critical applications where precise filtration is required.

To ensure leak-tight operation of industrial pump strainers, various sealing arrangements are commonly employed. The specific sealing method used may depend on the design of the strainer and the requirements of the application. Some common sealing arrangements include:

1.Gaskets: Soft gaskets made from materials like rubber, PTFE, or graphite are used between the strainer body and the cover to create a reliable seal.

2.O-rings: O-rings made of rubber or elastomers are utilized in specific grooves to prevent leakage in joints and connections.

3.Threaded connections: Properly tightened threaded connections between components can create a seal to prevent fluid leakage.

4.Welding or brazing: For some strainer designs, welding or brazing joints are used to create a permanent and leak-tight connection between components.

Each of these sealing arrangements plays a vital role in ensuring the efficient and leak-free operation of industrial pump strainers.

Basket strainers industrial use can be manufactured to comply with ATEX (ATmosphères EXplosibles) or IECEx (International Electrotechnical Commission Explosive) certifications. These certifications ensure that the strainers meet the required safety standards for use in hazardous or explosive environments where flammable gases, vapors, or dust may be present. To achieve compliance, strainers are constructed using materials and components that prevent the ignition of surrounding hazardous substances.

Additionally, they undergo rigorous testing to verify their suitability for use in these potentially dangerous environments, making them a reliable choice for industries with such safety requirements.

DEZE as an industrial strainer manufacturer, we take great pride in providing comprehensive technical support and after-sales services to ensure the utmost customer satisfaction. Our commitment extends beyond the sale of our products; we believe in establishing long-lasting relationships with our clients.

Our technical support team comprises experienced engineers and experts who are readily available to address any queries or concerns you may have regarding our industrial strainers. Whether it’s installation guidance, troubleshooting assistance, or product customization, our team is dedicated to offering prompt and effective solutions.

Additionally, our after-sales services encompass regular maintenance checks and servicing of the strainers to prolong their lifespan and maintain optimal performance. We provide access to genuine spare parts, ensuring the authenticity and reliability of replacement components.

Furthermore, we offer training programs for your staff, helping them gain a deeper understanding of our products and their proper usage, leading to enhanced efficiency and safety. Our commitment to quality and customer care sets us apart, making us the trusted partner for all your industrial strainer needs. Rest assured, we stand by our products and services to ensure your operations run smoothly and efficiently.

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