Straight Through Flat Bottom Blue Filter

The Straight Through Flat Bottom Blue Filter is a high-performance basket filter designed for efficient impurity removal in various fluid transmission systems. Adopting a straight-through flow structure and a flat bottom design, this filter not only ensures smooth fluid flow with minimal pressure loss but also facilitates centralized collection and discharge of impurities, making maintenance more convenient. It is mainly composed of inlet and outlet nozzles and flanges, a shell, a filter basket, a shell flange cover, and fasteners.

Ⅰ. Product Introduction

The Straight Through Flat Bottom Blue Filter is a high-performance basket filter designed for efficient impurity removal in various fluid transmission systems. Adopting a straight-through flow structure and a flat bottom design, this filter not only ensures smooth fluid flow with minimal pressure loss but also facilitates centralized collection and discharge of impurities, making maintenance more convenient. It is mainly composed of inlet and outlet nozzles and flanges, a shell, a filter basket, a shell flange cover, and fasteners.
The working principle of the filter is simple and reliable: when the fluid (such as water, steam, oil, etc.) enters the shell through the inlet, it first passes through the filter basket. The solid impurity particles in the fluid are effectively blocked in the filter basket, and the clean fluid flows out through the filter basket and the outlet, thus realizing the purification of the fluid. When the filter needs to be cleaned after long-term use, you only need to open the bottom sewage outlet to drain the remaining fluid in the shell, then remove the shell flange cover, take out the filter basket for cleaning or replacement, and finally reinstall it to complete the maintenance.
This filter is widely applicable to multiple media such as water, steam, and oil, and the general operating temperature range is -40℃ to 300℃ (Note: The specific operating conditions shall be subject to the filter’s design conditions). In addition, to meet the personalized needs of different users in various application scenarios, we provide customized design services, which can be tailored according to the actual operating conditions provided by customers.

Ⅱ. Product Features

  • Efficient Filtration & Stable Performance: Equipped with high-quality filter materials (mainly stainless steel), the filter has a filtration accuracy ranging from 10 mesh to 500 mesh, which can accurately capture impurity particles of different sizes and ensure the purity of the filtered fluid. The straight-through flow channel design minimizes fluid resistance, avoids excessive pressure loss, and ensures the stable operation of the entire fluid system.
  • Convenient Maintenance & Time-Saving: The unique flat bottom design makes the impurities in the filter concentrate at the bottom of the shell, and the bottom sewage outlet allows for quick drainage of impurities and residual fluid, reducing the trouble of disassembly during cleaning. The flange cover connection method with fasteners enables quick opening and closing, greatly shortening the maintenance time and improving work efficiency.
  • Wide Application Range & Strong Adaptability: It supports multiple connection methods such as flange, butt welding, thread, clamp, and socket welding, which can be flexibly matched with different pipeline systems. The shell is available in carbon steel, stainless steel, and other materials, and the sealing surface of the flange has multiple types such as FF, RF, M, FM, RJ, T, and G. The sealing material can be selected from PTFE, metal winding, nitrile rubber, etc., which can adapt to different media properties and operating pressure environments (flange pressure range: 0.25-16MPa, equivalent to 150LB-2500LB).
  • Durable & Long Service Life: The key components such as the shell and filter basket are made of high-quality materials with strong corrosion resistance, wear resistance, and high-temperature resistance. They can maintain stable performance under harsh operating conditions and have a long service life, reducing the frequency of replacement and the overall use cost.
  • Customizable Design: According to the actual needs of customers (such as specific media, operating temperature, pressure, filtration accuracy, etc.), we can carry out personalized design and production to ensure that the filter perfectly matches the customer’s application scenario.

Ⅲ. Technical Data Summary

Technical Parameter
Specification/Details
Nominal Diameter (DN)
DN-15 ~ DN-1200
Connection Mode
Flange, butt welding, thread, clamp, socket welding
Shell Material
Carbon steel, stainless steel, etc.
Flange Pressure
0.25-16MPa (equivalent to 150LB-2500LB)
Filter Material
Stainless steel, etc.
Flange Sealing Surface
FF, RF, M, FM, RJ, T, G
Filtration Accuracy
10 mesh – 500 mesh
Sealing Material
PTFE, metal winding, nitrile rubber, etc.
Applicable Media
Water, steam, oil, etc.
General Operating Temperature
-40℃ ~ 300℃ (specific conditions subject to design)

Ⅳ.The main shape and connection size

Blue-type filter main size

Caliture (DN / NPS) L D H H1 drain outlet
DN15(1-2″) 180 76 260 160 ZG3/8″
DN20(3/4′) 180 76 260 160
DN25(1′) 180 76 260 160
DN32(1-1/4″) 200 76 270 160
DN 40(1-1/2″) 260 108 300 170
DN50(2′ 260 108 300 170
DN 65(2-1/2″) 330 140 360 20
DN80(3′) 340 159 400 250
DN100(4″) 400 219 470 300
DN125(5″) 480 273 550 360
DN 150(6″) 500 273 630 420
DN200(8″) 560 325 780 530 ZG3/4″
DN250(10”) 660 420 930 640
DN300(12″) 750 450 1200 840
DN350(14″) 810 500 1370 920
DN400(16″) 900 550 1500 950 ZG1*
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About Us

Founded in 2016, Shanghai Wangye Valve Manufacturing Co., Ltd. is a professional industrial fluid control manufacturer with nearly a decade of experience, integrating R&D, intelligent production, sales, and customized solutions. Leveraging Shanghai’s advanced manufacturing advantages, we’ve built a reliable brand across petrochemicals, power, metallurgy, water treatment, and new energy industries, offering gate/ball/butterfly valves and tailored solutions for harsh conditions. Backed by advanced equipment, full-process quality control, and ISO certifications, we adhere to “Integrity, Quality, Customer Focus, Innovation” and provide comprehensive services, striving for long-term cooperation and continuous technological upgrading.

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Talent and Efficient Team

WYE always insists that employees are the most valuable asset of the enterprise and the future of WYE; Adhere to prioritizing talent selection, education, and utilization in the development of enterprises; introducing talent as the highest return investment behavior. We regard talent as the primary resource for effective management, and pursue a high degree of harmony and unity between employee personal development and enterprise development.We encourage you to have a special perspective, think independently, and be good at organizing resources from all parties. Always maintain a responsible attitude towards results and a positive team spirit that is willing to share in every task..

High End Processing Equipment Creating Excellent Product Quality

Advanced automated production equipment and sophisticated assembly line production demonstrate first-class quality.Technical experts directly participate in production to ensure the concealment and reliability of the product.The increasing awareness of high-quality products and the continuous supply of industrial products have made WYE constantly changing.No matter how the world changes, the persistent spirit of excellence among WTE people remains unchanged.

Warehouse Strength

In our facility, raw materials (including core components and packaging supplies) are strictly controlled via a real-time digital inventory system—tracking batches, shelf life, and storage conditions to boost traceability and cut waste. Semi-finished products, post-preliminary quality checks, are stored per strict industry standards: labeled with progress/inspection records to avoid cross-contamination and damage. Finished products are sorted into specialized warehouses by type, market, and delivery schedule, streamlining picking and reducing dispatch delays. This standardized process effectively boosts efficiency: cutting redundant steps by 30%, shortening fulfillment cycles by 20%, and minimizing inventory/shipment errors.

Customized Solutions & After-Sales Support

Tailored to the distinct demands of industries like petrochemicals, new energy, and metallurgy, WYE provides personalized industrial fluid control solutions—covering pre-project demand assessment, customized valve design (matching specific working conditions like pressure or medium type), and on-site technical consultation to align with clients’ operational scenarios. Additionally, we offer comprehensive after-sales support: including on-site installation guidance, regular equipment maintenance inspections, and 24/7 responsive fault troubleshooting, which ensures the stable operation of clients’ systems and strengthens long-term cooperative partnerships.

Our Services

Our company is a one-stop solution for all valve-related needs, offering customization to tailor valves to unique specifications, professional installation & commissioning for seamless integration and optimal performance, maintenance & repair to keep valves in top condition and extend their lifespan, and technical support & consultation for expert advice on selection, optimization, and troubleshooting throughout every project stage.

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