Customizable Perforated strainer for Your Needs

some description about product

The main component of a perforated strainer is a plate or screen made of metal, typically stainless steel, that features a pattern of uniformly spaced holes or perforations. The size and shape of the perforations can vary based on the desired filtration requirements. The perforated plate or screen is typically housed within a frame or housing that allows for easy installation and removal. When the fluid or gas flows through the perforated strainer, the solid particles larger than the perforations are trapped and held back, allowing the clean fluid or gas to pass through. The accumulated solids can be periodically removed by cleaning or replacing the perforated plate or screen.

Perforated strainer is a type of filtration device that consists of a perforated plate or screen designed to capture and retain solid particles from a fluid or gas stream. It is commonly used in industrial processes to protect downstream equipment, such as pumps, valves, and nozzles, from clogging or damage caused by contaminants. Perforated strainers are widely used in industries such as oil and gas, chemical processing, water treatment, food and beverage, and many others where the removal of solid contaminants is crucial for process efficiency and equipment protection. They are available in various sizes, configurations, and perforation patterns to suit different applications and flow rates.

Perforated strainer


stainless steel perforated strainer

Stainless steel perforated strainer

Stainless steel perforated strainer is made from stainless steel material. It is designed to provide efficient filtration and durability in various industrial applications where corrosion resistance and high strength are essential. 

Stainless steel is chosen as the material for perforated strainers due to its excellent corrosion resistance properties, making it suitable for use in corrosive environments or when handling corrosive fluids or gases. Stainless steel perforated strainers can withstand exposure to chemicals, acids, solvents, and saltwater without degradation or rusting.

The construction of a stainless steel perforated strainer typically consists of a perforated plate or screen made of stainless steel with uniformly spaced holes or perforations. The size, shape, and pattern of the perforations can be customized based on specific filtration requirements. Stainless steel perforated strainers are commonly used in industries such as oil and gas, chemical processing, water treatment, food and beverage, pharmaceuticals, and others. They are employed to protect downstream equipment, maintain process efficiency, and ensure the quality of the fluid or gas being processed. 

Heavy duty perforated strainer

Heavy duty perforated strainer

Heavy duty perforated strainer is a robust and durable filtration device designed to withstand demanding applications and handle high flow rates or heavy loads of solid particles.

It is specifically engineered to provide enhanced strength and durability compared to standard perforated strainers. The construction of a heavy-duty perforated strainer typically involves the use of thicker and sturdier materials, such as heavy gauge stainless steel or other high-strength alloys. The perforated plate or screen used in the strainer is designed to be thicker and more rigid, capable of withstanding higher pressures and mechanical stresses.

Heavy duty perforated strainers are capable of handling high flow rates while effectively capturing and retaining solid particles of varying sizes. They are commonly used to protect equipment such as pumps, compressors, turbines, heat exchangers, and other downstream components from clogging and damage. Heavy duty perforated strainers are commonly used in industries such as oil and gas, petrochemical, mining, wastewater treatment, and other heavy-duty industrial applications. They are often employed in situations where the fluid or gas being filtered contains larger or denser solid particles or where the operating conditions are particularly harsh.

Floor drain strainer

Floor drain strainer

The design of a floor drain strainer is a perforated surface that allows water to flow through while trapping solid particles. The perforations size may vary depending on the desired level of filtration and the size of debris to be captured.

 The strainer is often made of materials like stainless steel or plastic, chosen for their durability, corrosion resistance, and ease of cleaning.

Floor drain strainer is a device used to prevent solid debris from entering and clogging floor drains. It is typically installed over the drain opening and acts as a filter to capture large particles, such as dirt, hair, food scraps, or other debris, while allowing water or liquid to pass through freely. Floor drain strainers are commonly found in various settings, including commercial kitchens, food processing facilities, bathrooms, showers, utility rooms, and other areas where floor drains are present.

Floor drain strainers are essential in maintaining proper drainage and preventing blockages in plumbing systems. By capturing solid debris, they help prevent clogs and potential damage to pipes and drains. Regular cleaning and maintenance of floor drain strainers are necessary to ensure their effective operation and prevent buildup of trapped debris.


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 are the dimensions of the perforated strainer?


1mm,1.2mm,1.5mm,2.0mm, etc.

Filter Accuracy


Filtration Precision



36inch , 48inch , 60inch

Sheet thickness

3 gauge – 36 gauge

Opening rate

45%,60%,85% or customized

Perforated strainer pressure drop

Perforated strainer pressure drop

The pressure drop across a perforated strainer is a vital consideration in filtration system design. It refers to the reduction in fluid pressure as it flows through the strainer’s perforations. The pressure drop depends on factors such as perforation size, pattern, flow rate, fluid viscosity, filtration rating, strainer material, thickness, and overall geometry. Engineers use calculations and simulations to determine the specific pressure drop for a chosen strainer.

Fine filtration with smaller perforations can lead to higher pressure drop due to increased flow resistance, while larger perforations reduce pressure drop but may offer lower filtration efficiency. Striking a balance between filtration requirements and an acceptable pressure drop is crucial to ensure the system’s optimal performance without excessive energy consumption.

What are the perforation methods used?

Perforated method

Punching: Punching is a widely used method for creating perforations. It involves the use of a punch and die set to punch holes in the material, leaving behind the desired perforations.

Laser Cutting: Laser cutting uses a focused laser beam to vaporize or melt the material along the perforation pattern, resulting in precise and clean-cut holes.

Stamping: Stamping uses a press with shaped dies to cut or form holes in the material. It is suitable for producing perforated patterns with specific shapes and designs.

Drilling: Drilling involves using rotating drill bits to create holes in the material. It is commonly used for producing smaller perforations in thin materials.

Waterjet Cutting: Waterjet cutting uses a high-pressure stream of water mixed with abrasive materials to cut holes in the material. It is ideal for cutting through thick and hard materials.

Does the perforated strainer come in different configurations to fit various equipment?

Configurations of perforated strainers

Perforated strainers are available in various configurations to accommodate different types of equipment and fulfill specific system demands. Manufacturers offer a diverse array of options to cater to a wide range of applications in various industries. Common configurations include inline strainers, side inlet strainers, top inlet strainers, bottom outlet strainers, Y-strainers, and basket strainers. Each configuration is designed to address specific flow requirements, spatial constraints, or filtration needs.

Perforated strainer working principle

Perforated strainer working principle

The working principle of a perforated strainer is based on the concept of mechanical filtration. It is designed to remove unwanted solid particles or debris from a fluid (liquid or gas) stream, allowing only the clean fluid to pass through the perforated surface.

When the fluid flows through the strainer, it encounters the perforated surface. Particles larger than the holes in the perforated sheet are obstructed and cannot pass through. Instead, they are trapped and accumulate on the strainer’s inner surface.

What is the maximum operating pressure the perforated strainer can handle?

The maximum operating pressure that a perforated strainer can handle depends on various factors, including the material of construction, design specifications, wall thickness, and the quality of the welds or connections.

For standard perforated strainers made of materials like stainless steel, carbon steel, or other alloys, the maximum operating pressure can typically range from 150 psi (pounds per square inch) to 3000 psi or more. However, some specialized perforated strainers designed for high-pressure applications can handle even higher pressures.

Can the strainer be used in both temporary and permanent installations?

Perforated strainers

Yes, perforated strainers can be used in both temporary and permanent installations, depending on the specific application and system requirements.

Temporary Installations:

In temporary installations, perforated strainers are often used for short-term or intermittent filtration needs. These situations may involve maintenance tasks, commissioning processes, or temporary system setups. Temporary strainers are typically designed for easy installation and removal. They are often disposable and used when temporary filtration is needed to protect downstream equipment during specific operations.

Permanent Installations:

Perforated strainers are also well-suited for permanent installations in industrial processes and systems that require continuous or long-term filtration. In such cases, the strainers are integrated into the system as a vital component of the filtration process. They are designed to withstand continuous operation and provide reliable filtration to protect pumps, valves, heat exchangers, and other critical equipment from particle buildup and damage.

How is the structural integrity of the perforated strainer ensured during manufacturing?

Perforated strainers

Material Selection: Choosing high-quality and suitable materials, such as stainless steel, carbon steel, or other corrosion-resistant alloys, is critical to ensure the strainer can withstand the intended operating conditions and fluid properties.

Welding and Fabrication: Proper welding techniques are employed during the fabrication process to ensure strong and secure connections between different components of the strainer. Welds are inspected to ensure they meet industry standards and provide adequate strength.

Quality Control: Stringent quality control measures are implemented throughout the manufacturing process to identify and address any defects or imperfections in the strainer’s construction. This includes inspection of materials, dimensional checks, and weld quality assessments.

Reinforcement and Support: In cases where the strainer is subjected to high pressures or heavy loads, additional reinforcement or support may be incorporated into the design to enhance its structural integrity.


Most frequent questions and answers

Debris Removal: One of the primary functions of a floor drain strainer is to prevent debris, such as dirt, hair, food particles, or solid waste, from entering the drain system. The strainer captures these solid materials and prevents them from clogging or blocking the drain pipes.


Water Flow Regulation: Floor drain strainers help regulate the flow of water or other fluids by preventing large objects or excessive water volume from entering the drain system. They ensure a controlled and efficient drainage process, preventing flooding or overflow situations.


Hygiene and Safety: By capturing solid debris, floor drain strainers contribute to maintaining cleanliness and hygiene in various environments, including commercial kitchens, bathrooms, utility rooms, or industrial facilities. They help prevent the accumulation of contaminants and potential health hazards, promoting a safe and sanitary environment.


Drain Protection: Floor drain strainers act as a protective barrier for the drain system. They help prevent foreign objects, such as jewelry, tools, or small equipment, from accidentally falling into the drain and causing damage or blockages.

Flat Sheet Strainers: These are flat perforated sheets made of metal that are used as strainers. They can be customized with various hole patterns, hole sizes, and open areas to meet specific filtration requirements.


Basket Strainers: Basket strainers are cylindrical or conical in shape and consist of a perforated metal basket or cylinder with an inlet and an outlet. They are typically used in larger-scale industrial applications where higher flow rates or larger volumes of solids need to be filtered.


Inline Strainers: Inline strainers, also known as pipeline strainers, are installed directly in a pipeline to filter fluids as they flow through. They consist of a perforated metal housing with an inlet and outlet, allowing for continuous filtration of liquids.


  • Strainers: Y-strainers get their name from their Y-shaped design. They are commonly used in piping systems to remove solid particles from the flow of liquids. The strainer has an inlet and outlet with a perforated metal screen positioned at the junction point.

The choice between a perforated strainer and a wire mesh stra depends on the desired filtration level and the size of particles to be captured. Perforated strainers are well-suited for coarse filtration, while wire mesh strainers are preferred for applications that require finer filtration and greater particle capture efficiency.


Perforated strainers, with their solid metal plates or screens, excel at capturing larger solid particles and providing coarse filtration. They are suitable for applications where the removal of debris or larger contaminants is required. Perforated strainers offer good strength and durability, making them capable of handling high flow rates and demanding environments.


Wire mesh strainers utilize woven metal wire mesh with varying aperture sizes to achieve finer filtration. They are effective in capturing smaller particles and providing more precise filtration. Wire mesh strainers are flexible and versatile, allowing for customization in terms of wire diameter and mesh size to match specific filtration requirements.

Corrosion Resistance: Stainless steel is highly resistant to corrosion, making it suitable for use in various environments, including those with exposure to moisture, chemicals, or high temperatures. This corrosion resistance ensures the longevity and durability of the perforated strainer, even in harsh conditions.


Strength and Durability: Stainless steel perforated strainers are known for their strength and durability. They can withstand high flow rates, pressure, and mechanical stresses without compromising their integrity. This makes them suitable for demanding applications that require robust filtration capabilities.


Hygiene and Cleanliness: Stainless steel is a non-porous material that is easy to clean and maintain. It is resistant to bacterial growth, making stainless steel perforated strainers suitable for applications in industries such as food processing, pharmaceuticals, and healthcare, where hygiene and cleanliness are essential.


High Temperature Resistance: Stainless steel perforated strainers can withstand high temperatures without significant deformation or degradation. This makes them suitable for applications involving hot fluids or gases.


Customization Options: Stainless steel perforated strainers can be customized with various hole patterns, hole sizes, open areas, and thicknesses to meet specific filtration requirements. This versatility allows for the filtration of different particle sizes and types.


Recyclability: Stainless steel is a recyclable material, making stainless steel perforated strainers an environmentally friendly choice. They can be recycled and reused, reducing waste and minimizing the impact on the environment.

Reduced Flow Rate: If you notice a decrease in the flow rate of the fluid or gas passing through the strainer, it may indicate that the perforated screen is partially or completely clogged. Cleaning the strainer can help restore the desired flow rate.


Increased Pressure Drop: A significant increase in pressure drop across the strainer indicates a potential blockage. This can occur when solid particles accumulate on the surface of the perforated screen. Regular cleaning is necessary to remove the accumulated debris and maintain a consistent pressure drop.


Visible Debris Build-up: If you observe visible debris or particles on the surface of the perforated screen, it is an indication that cleaning is required. The accumulation of debris can impede the strainer’s filtration efficiency and compromise its effectiveness.


Maintenance Schedule: It is recommended to include periodic cleaning of perforated screen strainers in a maintenance schedule. The frequency of cleaning depends on the specific application and the level of debris present in the fluid or gas being filtered. Regular cleaning helps prevent excessive build-up and ensures continuous filtration performance.


Process Interruption: During scheduled shutdowns or maintenance procedures in a system, it is advisable to clean the perforated screen strainer. This ensures that the strainer is free from any accumulated debris before resuming operations.

Perforated Strainer:

Structure: Perforated strainers consist of a solid metal plate or screen with evenly spaced holes or perforations. The size and pattern of the holes can be customized for specific filtration requirements.


Filtration Efficiency: Perforated strainers are effective in capturing larger solid particles, such as debris, sediment, or larger contaminants, based on the size of the perforations. They provide reliable filtration for applications where coarse filtration is sufficient.


Strength and Durability: Perforated strainers are generally sturdy and durable, as they are made of solid metal plates or screens. They can withstand high flow rates and are suitable for applications that require robust filtration.


Wedge Wire Strainer:

Structure: Wedge wire strainers consist of a profiled wire cylindrical screen that is wrapped around support rods. The wire is shaped like a wedge, creating narrow slots between the wires. The slot size and configuration can be customized.


Filtration Efficiency: Wedge wire strainers provide precise and fine filtration due to the narrow slots between the wires. They can capture smaller particles and offer superior filtration performance compared to perforated strainers.


Self-cleaning: The design of wedge wire strainers allows for self-cleaning action during operation. The wedge-shaped wires facilitate the release of trapped particles, reducing the likelihood of clogging and maintenance requirements.


Versatility: Wedge wire strainers can be manufactured with different slot sizes and configurations, allowing for flexibility in filtration applications. They can be used for both coarse and fine filtration, depending on the specific wire profile and slot size.

Custom Manufacturing: The company can design and manufacture perforated stainless steel strainers according to the specific requirements and specifications of the customers. This includes customizing the hole patterns, sizes, open areas, and overall dimensions of the strainers to meet the desired filtration needs.


Material Selection: The company can assist customers in selecting the appropriate stainless steel material for their strainers based on factors such as corrosion resistance, temperature resistance, strength, and durability. They can provide guidance on the selection of stainless steel grades that best suit the application.


Technical Support and Consultation: The company can offer technical support and consultation services to help customers choose the right type of strainer for their filtration applications. They can provide expertise and guidance in terms of optimal design, filtration efficiency, flow rates, and pressure drop considerations.


Prototype Development: If required, the company can develop prototypes of perforated stainless steel strainers to validate design concepts and evaluate performance before proceeding with full-scale production. This allows customers to assess the suitability and effectiveness of the strainers in their specific applications.

Quality Assurance: A reputable company will have quality assurance measures in place to ensure that the perforated stainless steel strainers meet the required standards and specifications. This may include material testing, dimensional checks, and performance evaluations to ensure consistent and reliable product quality.


Packaging and Delivery: The company can provide packaging and delivery services to ensure safe transportation of the perforated stainless steel strainers to the customer’s location. This may involve appropriate packaging materials and logistics support to ensure timely and secure delivery.

Online Directories and Marketplaces: Online directories and marketplaces, such as Alibaba, Thomasnet, or Global Sources, have comprehensive listings of suppliers offering a wide range of industrial products, including perforated strainers. These platforms allow you to search for suppliers based on location, product type, and other specifications.


Trade Shows and Exhibitions: Industry-specific trade shows and exhibitions often feature a diverse range of suppliers, including those specializing in perforated strainers. Attending such events allows you to meet suppliers in person, discuss your requirements, and evaluate their products.


Industry Associations: Industry associations related to filtration, fluid processing, or specific sectors where perforated strainers are used may have directories or databases of suppliers. Contacting these associations or accessing their online resources can help you find suitable suppliers.


Online Search Engines: Performing a targeted search on popular search engines, such as Google, can help you discover suppliers of perforated strainers. Use relevant keywords like “perforated strainer supplier” or “stainless steel strainer manufacturer” along with your location or other specific requirements.

DEZE as a metal perforated strainer manufacturer, provides a wide range of products and services related to perforated strainers. We specialize in the production and customization of metal perforated strainers using materials such as stainless steel, carbon steel, or aluminum. With their expertise in metal fabrication and perforation techniques, DEZE Filtration can manufacture strainers with various hole patterns, sizes, and open areas to meet specific filtration requirements. We offer engineering support to assist customers in determining the optimal design and specifications for their perforated strainers. We also ensure the quality of their products through rigorous quality control measures and adherence to industry standards. Additionally, we provide technical support and after-sales service, helping customers with installation, maintenance, and troubleshooting. We handle the supply and delivery of perforated strainers, ensuring their safe packaging and timely transportation. Overall, DEZE Filtration serves as trusted partners, offering customized solutions and reliable products for various industrial filtration applications.

Say Hello!

Get In Touch With Us

Office Address

Hanwang Road, Anping county, Hebei provine, China