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Help Center316L Stainless Steel Candle Filter Core, 20 Micron, 40 Inch, 2.5 Inch OD, 1/2 NPT, 300 PSI, 250°C
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As a trusted manufacturer with over 20 years of experience in wire mesh and filtration products, Anping County Boli Hardware Wiremesh Products Factory proudly presents our 316L Stainless Steel Candle Filter Core. This filter element is engineered for demanding industrial applications where high temperature, high pressure, and corrosion resistance are critical. With a precision 20-micron rating, 40-inch length, and robust 1/2 NPT connection, it delivers reliable performance in a compact form factor.
Our candle filter cores are manufactured using advanced sintering or mesh-wrapping techniques to ensure consistent porosity and mechanical strength. The 316L stainless steel material provides excellent resistance to pitting, crevice corrosion, and stress cracking, making it suitable for use in aggressive chemical environments. Each unit is tested to withstand up to 300 PSI and 250°C, ensuring long service life even under extreme conditions.
Key Features & Technical Specifications
- Material: Premium 316L stainless steel – excellent corrosion resistance, low carbon content for improved weldability.
- Filtration Rating: 20 micron absolute – captures fine particles while maintaining high flow rates.
- Dimensions: 40 inch length × 2.5 inch outer diameter – standard size compatible with many housing systems.
- Connection: 1/2 inch NPT female thread – easy installation and leak-proof sealing.
- Operating Pressure: Up to 300 PSI (20.7 bar) – suitable for high-pressure filtration loops.
- Operating Temperature: Up to 250°C (482°F) – ideal for hot liquid and gas filtration.
- Surface Options: Available in sintered metal fiber or plain dutch weave mesh wrap – customizable to your specific retention and flow requirements.
- End Cap Design: Welded or crimped end caps available – optional gasket or O-ring for enhanced sealing.
| Parameter | Value |
|---|---|
| Filtration Media | 316L Stainless Steel Wire Mesh / Sintered Fiber |
| Micron Rating | 20 μm (absolute) |
| Overall Length | 40 inches (1016 mm) |
| Outer Diameter | 2.5 inches (63.5 mm) |
| Connection Type | 1/2" NPT Female |
| Max Operating Pressure | 300 PSI (20.7 bar) |
| Max Operating Temperature | 250°C (482°F) |
Product Advantages & Customer Benefits
- Long Service Life: The 316L material resists oxidation and chemical attack, reducing replacement frequency and downtime.
- High Dirt-Holding Capacity: The deep filtration structure (multi-layer mesh or sintered fiber) traps more contaminants before clogging, extending the interval between cleanings.
- Easy Cleaning & Reusability: Candle filter cores can be backwashed, ultrasonically cleaned, or chemically regenerated, making them cost-effective over time.
- Versatile Applications: Suitable for water treatment, oil & gas, petrochemical, pharmaceutical, food & beverage, and general industrial filtration.
- Customizable Options: We offer variations in length, end cap style, gasket materials, and micron ratings – contact us for tailored solutions.
Our factory in Hengshui, Hebei has been manufacturing filtration products since 1998, with an annual export value exceeding US$5 million. We ship to ports worldwide including Tianjin, Qingdao, Shanghai, and Foshan, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. This global reach is a testament to the consistent quality and reliability of our products.
Every candle filter core undergoes rigorous quality control checks, including dimensional inspection, pressure testing, and bubble-point testing for pore size verification. We are committed to delivering products that meet your exact specifications. With our experienced engineering team and flexible production capabilities, we can handle both standard and custom orders with short lead times.
Choose our 316L stainless steel candle filter core for your next filtration project. Benefit from our decades of manufacturing expertise, competitive pricing, and dedicated customer support. Contact us today for a quote or to discuss your specific requirements.
Frequently Asked Questions (FAQ)
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Q: What is the difference between 316L and 304 stainless steel for filter cores?
A: 316L has molybdenum added, providing superior corrosion resistance against chlorides, acids, and saltwater. It is recommended for harsh chemical environments, while 304 is suitable for milder applications. -
Q: Can this filter core be used for gas filtration?
A: Yes. The 20 micron rating and high temperature/pressure capability make it suitable for both liquid and gas filtration, provided the gas is compatible with 316L stainless steel. -
Q: How do I clean the candle filter core?
A: Common methods include backwashing with clean fluid, ultrasonic cleaning, or chemical soaking with appropriate solvents. The reusability depends on the nature of the contaminants. Always consult the manufacturer for specific cleaning recommendations. -
Q: Is the 1/2 NPT connection male or female?
A: The standard configuration is 1/2 inch female NPT threads on the end cap. Male NPT or other thread types can be made available upon request. -
Q: What is the flow rate of this filter core?
A: Flow rate depends on fluid viscosity, pressure drop, and contaminant load. As a reference, at 1 bar differential pressure, water flow is approximately 20-30 L/min for a clean element. Please contact us with your specific conditions for a precise calculation. -
Q: Do you provide certificates of material or pressure test?
A: Yes, we can provide material certificates (MTR) and pressure test reports upon request. Please specify your requirements when placing an order. -
Q: Can I get a sample before bulk order?
A: Absolutely. We offer sample orders to evaluate the product quality and compatibility. Sample cost can be deducted from your first bulk order. -
Q: What is the typical lead time for this product?
A: For standard sizes (like 40 inch), lead time is 10-15 working days. Custom designs may require 20-25 days. We also maintain some stock for quick delivery – please inquire.
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