The main filter product names of China Strainer Network include:Flange-connection Y Fype Strainer,Hand-Operated Brush Type Strainer,Oxygen Strainer,P Type Automatic Sewage Disposal Strainer,SRB Series Basket Type Strainer

1. Overview of Industrial Strainer Housing Materials

Selecting the correct housing material for an industrial Y-strainer or basket filter determines the system's resistance to pressure, temperature, and corrosion. Whether you are managing a water treatment plant or a high-pressure oil pipeline, material compatibility is your first line of defense.

 

2. Ductile Iron (QT450): The Cost-Effective Standard for Water Systems

Ductile Iron is the go-to material for general-purpose applications, especially in HVAC and municipal water supply.

Tensile Strength: Unlike brittle gray iron, ductile iron features spherical graphite nodules, providing strength comparable to steel.

Affordability: It offers the best performance-to-price ratio for large-diameter pipelines (DN50 and above).

Primary Use Case: Firefighting systems, irrigation, and low-pressure cooling water loops.

 

3. Carbon Steel (WCB): Engineered for High-Pressure & High-Temperature

In the Oil & Gas and Power Generation sectors, Carbon Steel (ASTM A216 WCB) is the industry workhorse.

Heavy-Duty Durability: Designed to withstand extreme mechanical stress and high-pressure surges.

Heat Resistance: Remains stable under high-temperature steam or thermal oil conditions.

Protection Tip: To prevent external rust, these filters are typically finished with an Epoxy Coating or specialized industrial paint.

 

4. Stainless Steel (CF8/CF8M): The Gold Standard for Sanitary Systems

For Food, Beverage, Pharmaceutical, and Chemical industries, Stainless Steel (Grade 304 or 316L) is a regulatory requirement.

Superior Corrosion Resistance: Grade 316L (CF8M) contains Molybdenum, making it highly resistant to chlorides and marine environments.

 Hygienic Surface: Features a smooth, polished finish that prevents bacterial growth and supports CIP (Clean-in-Place) processes.

Chemical Stability: Ideal for handling aggressive acids, alkalis, and deionized water without metallic contamination.

 

5. Plastic Filters (PVC/PP): Handling Aggressive Chemicals

When dealing with plating, laboratories, or highly acidic media where metals fail, Plastic (PVC, PP, or CPVC) filters provide total chemical inertness.

Lightweight & Non-Conductive: Perfect for the electronics and semiconductor industries.

Constraint: Limited to low-pressure (max 150 PSI) and ambient temperature environments.

 

6. Conclusion: How to Choose?

To optimize your procurement, evaluate your media concentration, maximum working pressure, and budget. For international projects targeting the CIS or EU markets, ensure your materials meet CE, API, or GOST certification standards to avoid customs and compliance issues.

 

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