EN Standard DN40-DN120 High Pressure Chemical Acid-Base PN40 RF Plate Flange

1. Dual-phase metallographic structure, anti-stress cracking under high-pressure corrosion conditions;

2. PN40 ultra-high pressure bearing, pressure resistance far exceeding ordinary stainless steel flanges;

3.  Broad-spectrum acid and alkali corrosion resistance, better performance than 316L stainless steel;

4.  Ultra-thick plate body, high shear strength, anti-breakage under strong medium impact;

5.  Low thermal expansion coefficient, stable size under high temperature and high pressure;

6.  Cost-effective substitute for expensive 2507 super duplex steel flanges;

7. Excellent fatigue resistance, adapt to long-term high-pressure pipeline cyclic operation.

1. Duplex steel phase stabilization heat treatment customization;

2.  PN40/PN63 ultra-high pressure structural reinforcement;

3.  Heavy corrosion medium special anti-corrosion lining customization;

4.  High-pressure explosion-proof sealing surface precision processing;

5.  Exclusive duplex steel parameter laser marking and engraving;

6.  Non-standard high-pressure size one-to-one customized processing;

7.  Heavy industrial shock-proof and pressure-resistant export packaging;

8.  Customized third-party duplex metallographic test report.

   
   

FAQ: 

1:Who Are We?

We are a comprehensive industrial and trading supplier integrating R&D, production, sales and import & export services, specializing in stainless steel valves and flanges.

2:How Do We Guarantee Quality?

All products are manufactured in compliance with international and domestic standards including ASME, DIN and GB, and undergo rigorous material composition testing, dimensional inspection, as well as hydrostatic and air pressure testing.

3:Are You a Trading Company or Manufacturer?

We are a professional manufacturer.

4:What Services Can We Offer?

We provide flexible OEM & ODM customization services. We can fabricate products of various specifications, pressure classes and connection types in accordance with customers’ drawings, project requirements or special working conditions.

5:Why Choose Us Over Other Suppliers?

We have built a mature global supply chain system featuring consistent stable quality, competitive direct factory prices, fast lead times and full-spectrum import and export services.

6: Can 316L plate flange replace 2205 for high-pressure chemical pipelines? 

 No, 316L is prone to stress cracking under high-pressure and strong corrosion coupling conditions, while 2205 duplex steel ensures long-term stable and safe operation of heavy-duty chemical pipelines.