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Help CenterDuplex Strainer Basket, 304 Stainless Steel, 40 Mesh, 150LB, Quick Opening
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is proud to present our premium Duplex Strainer Basket made of high-quality 304 Stainless Steel with a 40 Mesh rating and 150LB pressure class, featuring a Quick Opening design. As a reliable manufacturer with over two decades of experience, we focus on delivering robust filtration solutions that ensure uninterrupted operation and easy maintenance. Our duplex strainer basket is engineered to protect pipelines, pumps, and valves from debris, offering a cost-effective and durable choice for various industrial applications.
This product combines the efficiency of a duplex (dual-chamber) system with the practicality of a quick-opening basket, allowing operators to switch between chambers without shutting down the line. The 304 stainless steel construction provides excellent corrosion resistance and longevity, while the 40 mesh screen offers precise filtration for particles down to approximately 400 microns. The 150LB pressure rating (Class 150 flanged) ensures compatibility with standard piping systems. Below, we detail the key features and specifications that make this strainer a top choice for professionals.
Key Features & Advantages
- Duplex Design: Two independent strainer chambers with a diverting mechanism, enabling continuous flow during cleaning or basket replacement. No need to stop your process.
- 304 Stainless Steel Construction: Resistant to rust, corrosion, and high temperatures, suitable for water, oil, gas, and mild chemical media.
- 40 Mesh Stainless Steel Wire Cloth: Provides a balance between flow rate and filtration efficiency, capturing particles ≥ 0.4 mm effectively.
- 150LB Pressure Rating: Designed for Class 150 flanged connections (ANSI B16.5 compatible), ensuring a secure seal under moderate pressure.
- Quick Opening Top Cover: Equipped with swing bolts or T-handle clamps for fast access to the basket – no special tools required. Reduces downtime significantly.
- Easy Maintenance: The basket can be removed, cleaned, and reinstalled in minutes. Optional blow-off valve for draining trapped debris.
- Customizable Options: Available in different connection sizes (2" to 12" or custom), alternative mesh sizes (20 to 100 mesh), and various stainless steel grades (316L upon request).
Technical Specifications
| Material | 304 Stainless Steel (body, cover, basket) |
| Screen Mesh | 40 Mesh (0.4 mm opening) – stainless steel wire cloth |
| Pressure Rating | 150LB (Class 150, suitable for maximum 150 psi at ambient temperature) |
| Connection Type | Flanged (ANSI B16.5, raised face or flat face) |
| Opening Mechanism | Quick opening with swing bolts / T-handle |
| Design Standard | Compliant with ASME B16.34 and general piping codes |
| Operating Temperature | -20°C to +200°C (depending on gasket material) |
The Duplex Strainer Basket is widely used in the following industries: chemical processing, petrochemical, water treatment, oil & gas, HVAC, food & beverage, and marine systems. Its ability to provide continuous filtration without process interruption makes it invaluable for critical applications where downtime is costly. The 40 mesh screen is ideal for removing sand, rust, scale, and other solid contaminants from liquids, protecting downstream equipment like pumps, heat exchangers, and control valves.
Compared to single-basket strainers, our duplex model offers a significant advantage: you can clean one basket while the other remains in service. This is achieved by a simple lever-operated diverting valve that directs flow to either chamber. The quick-opening top cover ensures that the cleaning process is fast and effortless. Each basket is precision-welded and reinforced to withstand differential pressure even when partially clogged. Optional accessories include pressure gauges, drain valves, and differential pressure indicators.
Why Choose Boli as Your Partner?
Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer since 1998. With an annual export value of US$5 Million – US$10 Million, we ship to major ports including Tianjin, Qingdao, Shanghai, and Foshan. Our products reach markets in North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and beyond. Every duplex strainer basket undergoes rigorous quality control – from material inspection to pressure testing – ensuring reliable performance. We offer competitive pricing without compromising on quality, and we welcome OEM/ODM requests with customized sizes, meshes, and materials. Our experienced team provides prompt technical support and after-sales service. When you choose Boli, you choose a partner dedicated to delivering filtration excellence.
We invite you to contact us for a quote or to discuss your specific requirements. Our 304 stainless steel duplex strainer basket with 40 mesh and 150LB rating is ready to enhance your process efficiency. Let us help you keep your operations running smoothly with a reliable, easy-to-maintain filtration solution.
Frequently Asked Questions
Q1: What is the difference between a duplex strainer and a single basket strainer?
A: A duplex strainer has two separate chambers and a diverting valve, allowing you to switch flow to one chamber while cleaning the other – zero downtime. A single basket strainer requires shutting down the line to clean the basket. Duplex models are ideal for continuous processes.
Q2: Can I use this strainer for gas or steam applications?
A: Yes, the 304 stainless steel body and 150LB pressure rating are suitable for many gases and low-pressure steam (up to 150 psi). However, for high-temperature steam, we recommend verifying the gasket material and temperature limits. Please consult with our technical team for specific media.
Q3: What is the standard available size for this duplex strainer?
A: This model is available in various flanged sizes from 2 inches to 12 inches. Custom sizes and end connections (e.g., threaded, butt weld) are also available upon request. Please specify your required size when ordering.
Q4: How often do I need to clean the basket?
A: Cleaning frequency depends on the amount of debris in the fluid. With a 40 mesh screen, you may need to clean it when the differential pressure rises. The quick-opening design makes cleaning fast. We recommend installing a differential pressure gauge to monitor the condition.
Q5: Can I get a different mesh size, like 20 mesh or 100 mesh?
A: Absolutely. We offer customizable mesh sizes from 20 to 100 mesh, and even finer meshes with perforated metal support. Please inform us of your filtration requirements, and we will tailor the basket accordingly.
Q6: Is the duplex strainer supplied with bolts and gaskets?
A: Yes, each unit comes with stainless steel bolts, nuts, and a suitable gasket (e.g., PTFE or graphite) for the flanged connections. The quick-opening cover also includes a sealing ring. Replacement gaskets are available separately.
Q7: What is the lead time for this product?
A: For standard sizes and materials, the lead time is typically 15–25 days after order confirmation. Custom orders may require 30–40 days. We work efficiently to meet your project deadlines.
Q8: Do you provide certificates of material or pressure test reports?
A: Yes, we can provide material test certificates (MTC) for 304 stainless steel and a hydrostatic pressure test report upon request. These documents ensure traceability and compliance with industry standards.
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