Hard Sought Valve, Count on Zhengmao
Zhengmao Valve Co., Ltd., established in 1992, focuses on the R&D and manufacturing of industrial valves, including ball valve, gate valve, globe valve, check valve, butterfly valve, discharge valve and filters. Our products are widely applied in petrochemical, power, water supply, gas, and other industrial systems, supported by integrated production facilities and a complete quality control process. With strong technical capability and stable manufacturing capacity, we provide reliable solutions for global procurement partners.
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![Basket Stainer]()
Basket Stainer① Main material: carbon steel, stainless steel, alloy steelview more
② Nominal diameter: DN25 to DN600
③ Pressure range: 1.0MPa~5.0MPa
④ Operating... -
![Foot Valve]()
Foot Valve① Main material: carbon steel, stainless steel, alloy steelview more
② Nominal diameter: NPS1.5 "~24", DN40~DN600
③ Pressure range: Class 150 to Class 600,0.6 MPa to 10.0... -
![Y-Pattern Strainer]()
Y-Pattern Strainer① Main material: carbon steel, stainless steel, alloy steelview more
② Nominal diameter: DN15 to DN1000
③ Pressure range: 1.0MPa~10.0MPa
④ Operating temperature:... -
![Y-Pattern Strainer]()
Y-Pattern StrainerMaintenance masters who work with pipelines all know that if rust and impurities in the pipes aren’t blocked, they can easily clog the valves and pumps downstream, which is costly and delays work....view more -
![Y-Pattern Strainer]()
Y-Pattern StrainerFriends in the chemical, water treatment, or heating industries all know that if impurities and rust get mixed into the pipeline, the subsequent pumps and valves are easy to clog, which is costly...view more -
![Basket Strainer]()
Basket StrainerMaintenance workers in pipeline operations all know that if impurities in the medium aren’t filtered out properly, they’ll clog valves and wear out pump bodies, leading to costly and...view more -
![Sight Window]()
Sight Window① Main material: carbon steel, stainless steel, alloy steelview more
② Nominal diameter: NPS1/2 "to 24", DN15 to DN600
③ Pressure range: Class 150,0.6 MPa to 4.0 MPa
④...
Why Choose Us?
Rich Experience
With over three decades of manufacturing experience and 78,600 m² of production area, we operate a full process line supported by our own precision casting base to ensure stable output and consistent quality.
Professional Team
Our workforce includes 510 employees, with 54 senior engineers and 136 technical specialists, enabling efficient product development and reliable engineering support for diverse project needs.
Advanced Equipment
We operate a dedicated testing and inspection center equipped for pressure, low-temperature, high-temperature, leakage, and material performance tests, helping ensure each valve meets required performance standards.
Complete Qualifications
The company is certified under ISO9001:2015 and holds the TS A1 license for pressure pipeline equipment, providing buyers with confidence in compliance and quality management.
Types of Filter
Y-type Filter
As the name suggests a Y type strainer is a mechanical filter device that is used to remove solid particles such as rust, pipe scale, and dirt from liquids, gases, and steam. The filter gets its name from its Y shape, which allows for a smooth flow and minimal pressure drop. In India Y type strainer manufacturers supply these devices to various industries such as power plants, refineries, oil and gas facilities, and water treatment operations.
T-type Filter
T-Type filters are designed with a configuration that resembles the letter "T." They typically consist of a housing with an inlet and outlet on one side and a perpendicular connection for the filter element on the other side. This design allows for easy removal and replacement of the filter element, without the need to disconnect the inlet and outlet connections.
Basket Filter
Basket Filters are used for filtering of liquids and gases. They consist of a filter housing manufactured from cast iron, carbon steel, stainless steel, or another material, containing a stainless steel filter element (basket), with metal gauze. The shape of the basket can differ: single, double or multiple baskets.
Specifications of Filter
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Filter Type |
Basket filter, Y-type strainer, Duplex filter, Automatic self-cleaning filter |
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Connection / Body Style |
Flanged, Threaded, Welded, Clamp / Sanitary (depending on application) |
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Nominal Size (Diameter) |
DN 15 – DN 800 (½″ – 32″) typical range; custom sizes available |
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Pressure Rating |
PN10 – PN250 (or Class 150–600), depending on material and design |
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Operating Temperature Range |
–29 °C to +550 °C (depending on body and seal material) |
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Body Material |
Carbon steel, Stainless steel (304 / 316 / CF8 / CF8M), Alloy steel, Special alloys available |
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Basket / Filter Element Material |
Stainless steel mesh (304 / 316), Perforated metal, Wire mesh, PTFE / synthetic materials for special fluids |
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Filtration Rating |
10 µm – 2000 µm (mesh size / micron rating customizable per application) |
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Flow Capacity |
Dependent on size and mesh, e.g., 1 m³/h – 5000 m³/h (specify per order) |
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Seal / Gasket Material |
EPDM, NBR, Viton, PTFE, or other materials suitable for media and temperature |
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Drain / Blow-off Options |
Manual drain, automatic drain, bottom valve for sludge removal |
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Applications / Suitable Media |
Water, oil, chemicals, petrochemicals, food & beverage, pharmaceuticals, gas, slurry, corrosive or viscous fluids |
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Standards / Compliance |
Designed per ASME, DIN, EN, or customer-specified standards; pressure test, leak test certificates available |
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Optional Features |
Duplex configuration for continuous operation, automatic cleaning mechanism, differential pressure gauge ports, surface finish for sanitary applications |
Features of Filter
Space-Saving Design
One of the standout benefits of this strainer is its compact design. Its Y-shape allows it to fit into smaller spaces where other filters, like basket or T-strainers, may be too large. This is particularly useful in systems where space is limited, such as in residential plumbing or small industrial units in cities like Indore, where compact installations are often required.
Easy to Maintain
Maintenance is made easier with this filtration device. Unlike other filters that may require complete disassembly to clean, a Y-type strainer can often be cleaned quickly by simply removing the mesh filter. Additionally, some models come with a blow-off valve that allows you to flush out debris without removing the entire unit. This feature saves time and ensures your system remains efficient.
Cost-Effective Solution
These strainers are often more affordable compared to other types, such as basket strainers, which can be more complex and costly to maintain. The straightforward design of a Y-type unit means fewer components, reducing both initial investment and ongoing maintenance costs. For businesses and homeowners in Indore, this makes the Y-type strainer in Indore an economical and reliable choice.
Versatility Across Industries
From water treatment plants to HVAC systems, Y-type strainers are used in various industries to filter liquids, gases, and steam. Their versatility makes them suitable for different applications, ensuring clean and uncontaminated fluid flow. Whether it's for industrial use or for a residential heating system, this strainer offers an efficient filtration solution.
Protection for Equipment
Y-type strainers play a vital role in protecting equipment. By filtering out debris and preventing blockages, they help extend the life of pumps, valves, and other machinery. This is especially important in industries like manufacturing, where equipment downtime can be costly. By investing in this filtration device, you're not only improving system efficiency but also protecting your valuable equipment from damage.
Efficient Flow Management
Despite their compact size, Y-type strainers don't compromise on flow efficiency. The Y-shape ensures smooth fluid movement while effectively filtering out particles. This makes them ideal for systems that require consistent flow, such as in heating, cooling, and filtration systems in both residential and industrial setups.
A Y strainer typically consists of four major parts:
Body: This part is generally made from cast iron, carbon steel or stainless steel. It is specifically designed to withstand specific pressure and temperature ranges.
Straining Element: For straining and filtering purposes, a mesh or the perforated plate is made from SS304 or SS316 for corrosion resistance and durability.
Cover: There is also a removable cap that allows access to the screen. Many units also have a blow-off valve connection that facilitates easy cleaning.
Gaskets and Seals: Ensure a leak-proof operation under demanding conditions.
Common Materials of Filter
Cast iron
A low-cost material with good corrosion resistance. Suitable for low to medium-pressure water, oil, and gas applications.
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Stainless steel
Provides excellent corrosion resistance and is suitable for high-temperature and pressure applications. Useful for corrosive fluids, chemical media, and steam.
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Carbon steel
A strong and durable material that provides good resistance to media corrosion and erosion. Suitable for a wide range of high-pressure and temperature fluid applications.
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Bronze
A corrosion-resistant material with good surface strength and durability. Vital for alkaline fluid applications, where fluids like saltwater can expedite Y-strainer corrosion.
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PVC
Polyvinyl Chloride. A lightweight, corrosion-resistant material suitable for manufacturing Y-strainers for low-pressure applications. Also beneficial for maintaining the cleanliness of mild chemicals.
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Precautions for Using Filter
Confirm Flow Direction
Verify that the directional arrow on the strainer body matches the actual flow direction of the pipeline.
Check Mesh and Drain Port Orientation
For horizontal pipelines, ensure the mesh/drain port faces downward.
For vertical pipelines, ensure the flow is top-to-bottom, and the drain port faces sideways, in the direction of flow.
Tighten All Connections
Make sure all flanges, bolts, and threaded connections are properly secured and leak-free.
Check Isolation Valve Positions (If Installed)
Ensure that upstream and downstream isolation valves are in the correct position. During maintenance, these should be closed to allow for safe and easy cleaning or mesh replacement.
Our Certificates
Packing & Shipping
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Packaging: |
Wooden Cases, Cartons, Palletization. |
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Shipping: |
By logistics; by shipping; by air. |
FAQ
We're known as one of the most professional filter manufacturers and suppliers in China. With over 30 years' experience, we warmly welcome you to wholesale high quality filter made in China here from our factory. Contact us for more details.
stainless steel filters strainers, inline y strainer, Basket Filter
