Api Rp 5l2 Pdf ((install)) Online
When a pipeline project is specified, the contract usually states that the internal coating must comply with API RP 5L2. Therefore, the coating applicator (the company painting the pipe) and the inspector (the third-party verifier) must both have the document on hand to settle disputes and verify quality.
Details the physical properties required for the coating material, typically liquid epoxy.
The primary goal of API RP 5L2 is to ensure that internally coated line pipes used in services maintain their efficiency and integrity. The coating serves two main functions: Api Rp 5l2 Pdf
| Parameter | Requirement | | --- | --- | | | Near-white metal blast cleaning (NACE No. 2 / SSPC-SP 10) | | Surface Profile | 1.5 – 4.0 mils (38 – 102 microns) | | Coating Type | Thin-film epoxy (typically 1.5 – 5 mils DFT) | | Holiday Testing | 100% spark test at 100 volts per mil of thickness | | Adhesion | Pull-off test minimum 1,000 psi (6.9 MPa) | | Curing | Forced or ambient cure per coating manufacturer’s data sheet |
Used to evaluate the corrosion resistance properties. When a pipeline project is specified, the contract
Defines production tests and criteria for final acceptance of the coated pipe. Performance Testing Requirements
Internal Coating of Line Pipe for Non-Corrosive Gas Transmission Service The primary goal of API RP 5L2 is
Protects the internal surface from corrosion during the period between manufacturing and final construction.
: Includes bending tests (to ensure the coating doesn't crack or peel when the pipe is bent) and peeling tests. Resistance Tests
stands for the American Petroleum Institute Recommended Practice 5L2, titled “Recommended Practice for Internal Coating of Line Pipe for Non-Corrosive Gas Transmission Service.”
The primary goal of this recommended practice is to define methods for qualifying coating materials, overseeing their application, and performing final acceptance tests. It is specifically limited to prior to installation. Key benefits of following this standard include: