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Steel-lined PTFE elbow 02

A steel-lined PTFE elbow is a high-performance, corrosion-resistant pipe fitting, made of a metal outer casing (carbon steel or stainless steel) lined with polytetrafluoroethylene (PTFE). This product combines the mechanical strength of metal with the excellent chemical stability of PTFE. It is specifically designed for pipe turning connections handling highly corrosive, high-temperature, or high-purity media, and is widely applied in demanding environments such as the chemical, petroleum, pharmaceutical, and electric power industries.
  • Commodity name: Steel-lined PTFE elbow 02
  • Product description
  • Product Overview

    Steel-lined PTFE Elbow is a high-performance, corrosion-resistant pipeline connector, made of a metal outer shell (carbon steel or stainless steel) lined with Polytetrafluoroethylene (PTFE). This product combines the mechanical strength of metal and the excellent chemical stability of PTFE, specifically designed for pipeline directional connections for highly corrosive, high-temperature, or high-purity media, and is widely used in demanding working conditions such as chemical, petroleum, pharmaceutical, and power industries.

    Product Structure

    Metal Outer Shell Layer

    Material: Carbon steel (Q235), Stainless steel (304/316), etc.

    Function: Provides structural support, withstands pipeline pressure and mechanical stress.

    PTFE Lining Layer

    Material: Polytetrafluoroethylene (PTFE), typical thickness 2~5mm.

    Function: Resistant to strong acids, strong alkalis, organic solvents, and high-temperature media (-50℃~+250℃).

    Product Features

    Ultimate Corrosion Resistance : PTFE can resist almost all chemical media erosion except molten alkali metals.

    Wide Temperature Range Applicability : Working temperature range covers -50℃ to +250℃, can withstand higher temperatures short-term.

    High Fluid Purity : Smooth inner wall (friction coefficient 0.04), non-adherent to media, suitable for food and pharmaceutical grade transfer.

    Strong Mechanical Performance : Metal outer shell pressure rating up to PN10 (higher pressure customizable), impact resistance, deformation resistance.

    Diverse Turning Options : Standard options include 45°, 90°, 180° elbow angles, custom non-standard angles supported.

    Application Fields

    Chemical Industry : Pipeline directional changes for corrosive media such as sulfuric acid, hydrochloric acid, hydrofluoric acid.

    Energy Sector : High-temperature oil and gas pipelines in petrochemical refining, power plant desulfurization systems.

    Pharmaceutical/Food : High-purity fluid transfer, conforms to FDA/GMP certification requirements.

    Environmental Engineering : Corrosive gas pipelines in exhaust gas treatment equipment (e.g., SCR denitrification).

    Specifications

    Caliber Range : DN15~DN600 (reducing elbow customization supported).

    Pressure Rating : PN0.6~PN10 (Class150~300).

    Connection Type : Flange (HG/T, GB, ANSI standards), Thread (NPT/BSPT).

    Executive Standards : HG/T 21636, GB/T 9119, etc.

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