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Help Center316L Stainless Steel Filter Drum, 200 Micron Perforated, 2.5mm Thickness, TIG Welded
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998 with over 25 years of expertise in stainless steel filtration solutions. Our 316L Stainless Steel Filter Drum, featuring 200 micron perforation and 2.5mm thickness, is TIG welded to deliver exceptional durability and precision. Designed for demanding industrial applications, this drum ensures reliable filtration performance with corrosion resistance and long service life. Backed by our annual export value of US$5-10 Million and serving global markets across North America, Europe, Asia, and Oceania, we are committed to providing high-quality, customizable products that meet your specific requirements.
Product Overview
The 316L Stainless Steel Filter Drum is a robust filtration component engineered for liquid-solid separation in harsh environments. Its 316L grade offers superior resistance to chlorides, acids, and alkalis compared to standard 304 stainless steel. The 200 micron (0.2mm) perforation size ensures precise particle retention, while the 2.5mm thick wall provides structural integrity under high pressure and flow rates. TIG welding (Tungsten Inert Gas) creates clean, strong seams without defects, maintaining the drum's corrosion resistance and mechanical strength.
Key Features & Technical Specifications
- Material: 316L Stainless Steel – low carbon content minimizes carbide precipitation during welding, ideal for hygienic and corrosive applications.
- Perforation Pattern: Staggered holes with 200 micron (0.2mm) diameter, uniform distribution for consistent filtration efficiency.
- Thickness: 2.5mm plate thickness – balances strength and weight, suitable for high-pressure differentials.
- Welding: Full penetration TIG welding with argon shielding – no weld spatter, smooth inner surface reduces particle accumulation.
- Surface Finish: Pickled and passivated to remove heat tint and restore passive oxide layer, enhancing corrosion resistance.
- Customization: Available in various diameters (100mm – 500mm), lengths (300mm – 2000mm), and end configurations (flanged, threaded, or open).
| Parameter | Value |
|---|---|
| Material Grade | 316L (UNS S31603) |
| Hole Diameter | 0.2mm (200 micron) |
| Open Area | Approximately 23% – 30% (depending on pattern) |
| Wall Thickness | 2.5mm (±0.2mm) |
| Welding Standard | TIG per AWS D1.6 (or equivalent) |
| Max Operating Temperature | Up to 400°C (752°F) in non-oxidizing conditions |
| Surface Roughness | Ra ≤ 3.2μm (internal/external optional) |
Advantages & Benefits for Customers
- Long Service Life: 316L stainless steel resists pitting, crevice corrosion, and stress corrosion cracking, reducing replacement frequency.
- High Filtration Efficiency: Uniform 200 micron perforations ensure consistent particle removal, protecting downstream equipment.
- Easy Cleaning: TIG welded smooth interior minimizes crevices where bacteria or debris can accumulate, suitable for CIP (Clean-in-Place) systems.
- Pressure Resistance: 2.5mm thickness combined with TIG weld strength allows operation at elevated pressures (up to 10 bar, depending on diameter).
- Customizable Dimensions: We can produce drums in non-standard sizes to fit your existing housing or system.
- Global Logistics: Shipped from Tianjin, Qingdao, Shanghai, or Foshan ports with fast delivery to major markets worldwide.
Trust & Reliability
With our factory established in 1998, we have accumulated decades of manufacturing experience in wire mesh and filtration products. Our annual export value of US$5-10 Million reflects the trust of international clients. We serve diverse markets including North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Each filter drum undergoes rigorous quality checks: dimensional inspection, visual weld examination, and hydrostatic pressure test (upon request). Our team provides technical support from selection to installation, ensuring you get the right product for your application. Contact us today for a quote or sample request – we are ready to meet your filtration needs with precision and reliability.
Frequently Asked Questions (FAQ)
Q1: What is the difference between 316L and 316 stainless steel?
A: 316L has a lower carbon content (max 0.03%) compared to 316 (max 0.08%). This reduces the risk of carbide precipitation during welding, making 316L more suitable for welded components in corrosive environments.
Q2: Can the filter drum be used for food processing?
A: Yes, 316L stainless steel is FDA-compliant and widely used in food and beverage filtration. The smooth TIG weld finish and pickled surface meet sanitary standards.
Q3: How do I clean the filter drum?
A: We recommend backwashing with clean water or using a chemical cleaning solution compatible with 316L. For heavy fouling, ultrasonic cleaning is effective. Avoid using chloride-based cleaners that may cause pitting.
Q4: Is the 200 micron size suitable for water filtration?
A: 200 micron (0.2mm) is ideal for removing coarse particles like sand, silt, and debris. For finer filtration, we can supply drums with smaller perforations (e.g., 100 micron or 50 micron) upon request.
Q5: What is the maximum pressure the drum can withstand?
A: The maximum operating pressure depends on the drum diameter and length. As a guideline, a 200mm diameter drum with 2.5mm thickness can typically handle up to 10 bar. We provide pressure ratings for custom dimensions.
Q6: Do you offer custom end connections?
A: Yes, we can weld flanges (ANSI, DIN, JIS), threaded connections (NPT/BSP), or grooved ends. Please specify your requirements.
Q7: What is the lead time for production?
A: For standard sizes, lead time is 15-20 working days. Custom orders typically require 25-30 working days depending on complexity. We can expedite for urgent needs.
Q8: Can I get a sample before bulk order?
A: Absolutely. We offer sample drums (standard or custom) at cost price. The sample fee is refundable upon bulk order placement.
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