Introduction
DLSS supplies ASME SA182 F904L (UNS N08904) forged flanges in Blind Raised Face (BLRF) type, sizes 1 inch and 2 inch, pressure classes CL150 and CL300, manufactured in accordance with ASME B16.5. With delivery ready within 15 days, these flanges are the ideal choice for urgent projects requiring both quality and fast turnaround.
Specifications
| Item | Details |
|---|---|
| Standard | ASME SA182 / ASME B16.5 |
| Material | F904L (UNS N08904 / 1.4539) |
| Type | Forged Blind Flange, Raised Face (BLRF) |
| Size | 1″ & 2″ |
| Pressure Class | CL150 / CL300 |
| Delivery | Ready within 15 days |
| Corrosion Resistance | Excellent in sulfuric acid, seawater, and chloride-rich environments |
Key Features
-
High-Alloy Austenitic Stainless Steel (F904L): Outstanding corrosion resistance against sulfuric acid, hydrochloric acid, and seawater.
-
Forged Precision: High strength, accurate dimensions, and leak-proof sealing.
-
Compliance: Manufactured according to ASME SA182 and ASME B16.5 international standards.
-
Fast Delivery: Stock and production capacity ensure shipment within 15 days.
Applications
-
Chemical and Petrochemical Industry (sulfuric acid plants, chemical piping)
-
Offshore Oil & Gas (platform piping, subsea systems)
-
Desalination Plants & Seawater Cooling
-
Power Generation & Heat Exchangers
-
Pulp & Paper Industry
Advantages of DLSS Supply
-
Quick Response: Flanges available within 15 days, ideal for urgent projects.
-
Strict Quality Control: 100% dimensional inspection and mechanical testing.
-
Certified Supply: Mill Test Certificates (EN 10204/3.1) included.
-
Third-Party Inspection: BV, SGS, TUV available on request.
-
Safe Export Packing: Wooden cases with ISPM-15 compliance.
-
Frequently Asked Questions (FAQ)
Q1: What makes F904L better than standard stainless steel for flanges?
A1: F904L has higher nickel and molybdenum content, providing superior resistance to strong acids and chloride stress corrosion cracking.
Q2: Are CL150 and CL300 flanges both available in stock?
A2: Yes, DLSS offers both classes with fast-track delivery within 15 days.
Q3: Can DLSS provide customized sizes beyond 1″ & 2″?
A3: Yes, customized sizes and other flange types (WNRF, SORF, SWRF) can be produced upon request.
Q4: What documents are provided with the flanges?
A4: MTC (3.1), packing list, and optional third-party inspection reports.
