This article is about 01-SAMSS-050 which is about Thermoplastic Tight Fit Grooved or Perforated Liners for New and Existing Pipelines and download 01-SAMSS-050 PDF for Mechanical, Electrical, Instrumentation, Telecom, Piping, Civil, Paints and Coatings, Process, Plumbing Engineers, supervisors and project managers, QCs, QC Supervisors.
This is material specification of saudi aramco standards of based on international codes and standards and useful for all types of industrial engineers who are working and wants to work in plants and refineries and big building projects as engineers, QC Supervisors and QC managers, Engineering managers and technicians.
01-SAMSS-050 pDF Download
01-SAMSS-050Thermoplastic Tight Fit Grooved or Perforated Liners for New and Existing Pipelines
This document, 01-SAMSS-050, outlines the technical requirements for the specification and manufacturing of thermoplastic liners used in carbon steel pipelines. These liners are designed to rehabilitate existing pipelines and flowlines, as well as for use in new installations.
They are suitable for various aggressive fluids, including sour gas, three-phase systems, and sour crude oil. The specification covers three types of liners: grooved, perforated, and smooth.
Grooved liners allow gases to be vented to prevent liner collapse during depressurization, while perforated liners utilize frit devices to allow gas flow in one direction. These liners can be used in aboveground, buried, and sub-sea pipelines.
FAQs about Thermoplastic Tight Fit Grooved
A thermoplastic tight fit grooved liner is a type of liner used in carbon steel pipelines for rehabilitation or new installations. It is made of thermoplastic material and designed to fit tightly inside the pipeline, providing a protective layer against corrosion and other aggressive fluids.
Thermoplastic tight fit grooved liners offer several advantages, including excellent corrosion resistance, high chemical resistance, ease of installation, and long-term durability. They provide a cost-effective solution for rehabilitating pipelines without the need for extensive excavation or replacement.
Grooved liners feature grooves or channels along their surface, which serve as pathways for any gases that may permeate the liner. This allows the gases to be vented, preventing the build-up of pressure and potential liner collapse during process depressurization.
Yes, thermoplastic tight fit grooved liners are designed to be versatile and can be used in various pipeline environments, including aboveground, buried, and sub-sea applications. They are compatible with different aggressive fluids, such as sour gas, three-phase systems, and sour crude oil.
Perforated liners have small holes or perforations along their length, allowing for controlled venting of gases. Metallic or plastic frit devices are often installed through these perforations to facilitate gas flow in one direction while preventing reverse flow. This design ensures proper venting while maintaining the integrity of the liner.
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