EN1092-1 DN32-DN200 F316 Molybdenum Stainless Steel PN16 RF Blind Flange

EN1092-1 F316 PN16 RF Blind Flange is a molybdenum-containing anti-corrosion sealing fitting developed specifically for light chemical corrosive working conditions. Different from 304 series blind flanges, the added molybdenum alloy element greatly enhances resistance to chloride ion, weak acid and brine medium erosion, solving the common pitting corrosion and sealing failure problem of ordinary stainless steel blind flanges in chemical workshops. The PN16 medium-pressure rating fully meets the end sealing requirements of conventional chemical process pipelines.

The integral solid forging structure features uniform stress distribution and excellent structural stability, adapting to frequent pressure fluctuations of chemical pipelines. The finely polished RF sealing surface has no medium residue dead angles, reducing crevice corrosion risk and ensuring stable sealing of corrosive media. Professional chemical-grade pickling and passivation forms a dense anti-corrosion film on the surface, which can long-term resist mild acid, alkali and salt water medium scouring. Strictly implemented European standard dimensional specifications ensure full interchangeability with EU chemical pipeline fittings, suitable for overseas chemical project construction.

Core Selling Points

1. Molybdenum alloy reinforcement, strong resistance to chloride pitting and salt water corrosion;

2. Full compliance with EN1092-1 European standard, compatible with global chemical standard fittings;

3. Smooth polished sealing surface, no medium residue, low crevice corrosion risk;

4. Solid forging stress uniform structure, adapt to chemical pipeline frequent pressure fluctuation;

5. Stable sealing performance for weak acid and weak alkaline corrosive media;

6. Medium-pressure PN16 design, wide applicability for light chemical process pipeline sealing;

7. Low maintenance cost, effectively reduce chemical pipeline sealing failure rate.

Full Available Materials: F316, F316L, F316Ti, F304, F304L, S32205, 904L

Applicable Industries: Fine chemical pipeline plugging, pharmaceutical equipment pipeline sealing, electroplating workshop pipeline closure, sewage treatment corrosive pipeline end cap, light salt water medium pipeline reservation

Why Choose Us

We are a professional European standard chemical anti-corrosion blind flange supplier, holding complete PED pressure equipment certification and EU export qualifications. All F316 products pass molybdenum content spectral testing to ensure anti-corrosion performance compliance. Strictly implement EN1092-1 dimensional standards with zero matching error with European standard pipelines. Support third-party anti-corrosion performance testing, provide complete chemical engineering inspection documents, and long-term serve global chemical EPC projects.

Customization Capabilities (8 Items)

1. Full-size non-standard customization compliant with EN European standard;

2. Chemical special anti-corrosion coating surface reinforcement;

3. Corrosion-resistant high-pressure gasket matching customization;

4. Sealing surface precision polishing to reduce medium adhesion;

5. EU standard certification marking and laser engraving;

6. Chemical pipeline special thickened plate structural processing;

7. Batch engineering unified batch number and packaging customization;

8. Custom SGS chemical corrosion resistance test report.

FAQ:1:How long is the custom lead time for stainless steel flanges in Wenzhou?

— 8 to 10 working days

2:What is the fastest delivery time?

— 3 working days

3:Do you support non-standard custom flanges?

— Yes, we do.

4:Can you process special sizes?

— Yes. Max processing size: 4000 mm, Min processing size: 30 mm.

5:Do you have stainless steel flanges of standard sizes in stock?

— Yes.

6:Can we customize flanges based on customer drawings or samples?

— Yes.

7:Will material test certificates and inspection reports be provided for the purchased flanges?

— Yes, they will.

8:Is there a quality warranty for the flange products?

— Yes.

9:How to handle quality defects if they occur?

— Product return and exchange available.

10: Can 304 blind flange be used for chemical corrosive pipelines?

 —No, 304 material is prone to chloride pitting corrosion and sealing failure in light chemical environments. F316 molybdenum-containing blind flange is the mandatory matching choice for corrosive chemical pipeline end sealing.