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- 3" Class 150 RF Flange, ASME B16.5, ASTM A105N, NACE MR0175/ISO 15156


Description
This is a high-quality 3-inch Class 150 Raised Face (RF) flange designed and manufactured to meet stringent industry standards. Constructed from ASTM A105N normalized carbon steel, this flange offers exceptional durability and resistance to corrosion. It is fully compliant with ASME B16.5 dimensional standards and suitable for use in sour service environments as per NACE MR0175/ISO 15156.
Key Specifications
| Size | 3 Inch |
| Pressure Class | 150 |
| Flange Standard | ASME B16.5 |
| Facing | Raised Face (RF) |
| Material | ASTM A105N (Normalized Carbon Steel) |
| Schedule | Schedule 40 (Inferred) |
| Sour Service Compliance | NACE MR0175 / ISO 15156 |
Application & Use
This flange is designed for connecting pipes, valves, pumps, and other equipment in piping systems. Its compliance with NACE MR0175/ISO 15156 makes it ideal for use in oil and gas applications where sour gas or other corrosive substances are present. Common applications include pipelines, refineries, chemical plants, and water treatment facilities.
Condition & Availability
This flange is typically available new. Please contact us for current lead times and quantity discounts.
General Terms
- ReflowX and the seller retain the right to evaluate and approve offers.
- Buyers should verify quantities and conditions upon delivery.
- After successful engagement, both buyer and seller manage communication for payment terms and delivery schedule.
- All parties agree to adhere to ReflowX Terms and Conditions in transactions.
- Buyers can request value-added services such as pre-purchase inspections, Expediting & Delivery Services through ReflowX. Contact us!
