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Help Center304 Stainless Steel Strainer Cap 3/4" SW 100 Mesh 500 PSI for Steam
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Introducing the 304 Stainless Steel Strainer Cap 3/4" SW 100 Mesh 500 PSI for Steam – a premium filtration solution engineered for demanding industrial applications. As a trusted manufacturer with over two decades of experience, Anping County Boli Hardware Wiremesh Products Factory (established 1998) specializes in high-quality wire mesh and filtration components. Our strainer cap combines robust 304 stainless steel construction with precise 100-mesh filtration, designed to withstand steam service up to 500 PSI. This product ensures reliable protection for downstream equipment by removing particulate contaminants, while its socket weld (SW) connection offers secure, leak-free installation. Whether you are in steam systems, chemical processing, or oil & gas, this strainer cap delivers consistent performance and long service life.
Key Features & Technical Specifications
- High-Grade Material: Made from genuine 304 stainless steel, offering excellent corrosion resistance and durability in steam, water, and oil environments.
- Precision Filtration: 100-mesh (0.149 mm openings) stainless steel wire cloth effectively traps particles while maintaining high flow rates.
- Robust Pressure Rating: Rated for 500 PSI at ambient temperature, suitable for high-pressure steam applications.
- Socket Weld Connection: 3/4" SW (Socket Weld) design provides a strong, permanent joint ideal for high-pressure and high-temperature piping systems.
- Compact & Lightweight: Small footprint allows easy installation in tight spaces without compromising performance.
- Easy Maintenance: Removable cap design for quick cleaning or replacement of the filter element.
- Versatile Use: Suitable for steam, hot water, compressed air, and various liquid filtration applications.
| Parameter | Value |
|---|---|
| Material | 304 Stainless Steel |
| Connection Size | 3/4 inch (NPT or SW – Socket Weld) |
| Mesh Size | 100 Mesh (0.149 mm openings) |
| Pressure Rating | 500 PSI (can be derated at higher temperatures) |
| Temperature Range | Up to 450°F (232°C) for continuous steam service |
| Weight | Approx. 0.3 lbs (0.14 kg) |
Why Choose Our Strainer Cap? The 304 stainless steel construction ensures excellent resistance to oxidation and corrosion, even in steam environments where condensate can be acidic. The 100-mesh filter element offers a balanced combination of filtration fineness and flow capacity, reducing pressure drop while protecting downstream valves, pumps, and heat exchangers from debris. Our socket weld ends are precision machined to meet ASME B16.11 standards, ensuring reliable welding and leak-proof performance. Additionally, the cap can be customized with different mesh sizes or materials (such as 316 stainless steel) upon request, making it a flexible solution for your specific process requirements.
Ideal Applications: This strainer cap is widely used in steam distribution systems, boiler blowdown lines, process heating, HVAC, and industrial filtration. Its robust design handles thermal cycling and vibration typical in steam utilities, providing long-term reliability. For oil and gas applications, the 304 stainless steel offers good resistance to hydrocarbons and many chemicals.
Trust & Quality Assurance
Anping County Boli Hardware Wiremesh Products Factory has been a leading manufacturer since 1998, with an annual export value of US$5–10 million. Our products are shipped worldwide from major Chinese ports (Tianjin, Qingdao, Shanghai, etc.) to markets including North America, Europe, South America, the Middle East, and Southeast Asia. We maintain strict quality control throughout production – from raw material inspection to final pressure testing. Our strainer caps are manufactured under precise specifications, ensuring consistent dimensions, mesh integrity, and pressure ratings. Each unit is individually inspected before packaging to guarantee defect-free performance. With decades of expertise in wire mesh and filtration products, we provide not only standard components but also custom solutions tailored to your engineering needs.
Contact us today to discuss your requirements or request a sample. Our team is ready to support your project with quick delivery and competitive pricing.
Frequently Asked Questions (FAQ)
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Q: Can this strainer cap be used for superheated steam?
A: Yes, the 304 stainless steel can handle temperatures up to 450°F (232°C) for continuous service. For superheated steam above this range, we recommend 316 stainless steel or a higher-grade material. Please consult our technical team for specific temperature requirements. -
Q: What is the difference between SW (Socket Weld) and NPT connections?
A: SW (Socket Weld) provides a permanent, leak-tight connection by inserting the pipe into the socket and welding around the joint. NPT is a threaded connection that allows easier disassembly. Our strainer cap is offered with SW by default, but NPT or other connection types are available upon request. -
Q: How often should the filter mesh be cleaned or replaced?
A: The cleaning frequency depends on the level of contaminants in your system. For steam applications, we recommend monthly inspection initially. The cap is removable for easy access to the mesh, which can be cleaned with a brush or replaced if damaged. Regular maintenance ensures optimal flow and pressure drop. -
Q: Is the 500 PSI rating valid at all temperatures?
A: The 500 PSI rating is typically at ambient temperature (70°F). At elevated temperatures, the pressure rating is derated due to reduced material strength. For steam at 450°F, the maximum allowable pressure may be lower. Please refer to standard ASME B16.11 derating curves or contact us for specific values. -
Q: Can I get a different mesh size, such as 60 mesh or 200 mesh?
A: Yes, we offer customizable mesh sizes. The 100 mesh is a standard option, but we can manufacture strainer caps with meshes from 20 to 400 mesh. Please specify your required filtration fineness when placing an order. -
Q: What is the standard packaging for export?
A: Each strainer cap is individually wrapped in plastic to protect against moisture and dust. They are packed in sturdy cartons with foam inserts to prevent damage during transit. For bulk orders, we can provide palletized packaging or wooden crates as required. -
Q: Do you provide samples before mass production?
A: Yes, we offer samples for evaluation. There is a nominal fee for samples, which is refundable for bulk orders. Lead time for samples is typically 5–7 working days after order confirmation. -
Q: What is the minimum order quantity (MOQ)?
A: Our standard MOQ is 100 pieces for this product. However, for first-time orders or custom specifications, we can negotiate lower quantities. Please contact our sales team for details.
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