The main filter product names of China Strainer Network include:Al-alloy Shell Strainer,Antifouling cut off valve,Automatic Back Wash Strainer,Companding Pull-Rod Y Type Strainer,Compressed Air High-efficiency Strainer,Double Sealing Self-purification Anti-reversed Water Sealing Valve.

 

 

Why Choose 2205 Duplex Stainless Steel?

Before diving into costs, it is important to understand why 2205 (UNS S31803/S32205) commands a premium over standard 316L stainless steel. 2205 duplex steel offers:

 

Superior Corrosion Resistance: Specifically against pitting and crevice corrosion in chloride-rich environments.

 

High Mechanical Strength: Roughly double the yield strength of austenitic stainless steels, allowing for thinner walls and lighter designs under high pressure.

 

 

Stress Corrosion Cracking (SCC) Resistance: Excellent performance in seawater and chemical processing.

 

Key Factors Influencing 2205 Basket Strainer Prices

The price of a 2205 basket strainer isn't just about the weight of the metal. Several variables dictate the final quote:

 

1. Raw Material Market Volatility

The cost of duplex steel is tied to the global market prices of nickel, chromium, and molybdenum. Since 2205 contains specific proportions of these elements to maintain its "duplex" (austenite-ferrite) structure, price fluctuations in these commodities directly impact the manufacturing cost.

2. Design and Pressure Rating

The complexity of the strainer design plays a major role:

 

ASME Class: A Class 150 strainer will be significantly cheaper than a Class 600 or Class 900 version due to the thickness of the body and the complexity of the flange sealing.

 

 

Connection Type: Flanged ends (ANSI, DIN, JIS) are standard, but custom RTJ (Ring Type Joint) or butt-weld connections can increase the price.

 

3. Size and Flow Capacity

Naturally, a 2-inch basket strainer requires less material and machining than a 24-inch unit. Larger units often require specialized casting or heavy-duty fabrication, which adds to the labor and logistics costs.

4. Filtration Precision (The Mesh)

The internal basket is the heart of the strainer. While a standard 40-mesh 2205 screen is affordable, requiring ultra-fine filtration or specialized wedge wire baskets will increase the price.

 

 

Conclusion

While the initial 2205 duplex stainless steel basket strainer price is higher than 304 or 316 variants, the Total Cost of Ownership (TCO) is often lower due to reduced replacement frequency and superior durability.

For the most accurate pricing, it is always recommended to provide your specific flow rate, pressure, and chemical medium to an experienced engineer for a tailored quote.

 

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