Flange cieche per tubazioni industriali ad alta pressione Applicazioni e standard

2026-04-28
grama
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Blind Flanges for Industrial Applications

Blind flanges are critical components for pipeline isolation and pressure testing in oil and gas, chemical, and power generation industries.

Types of Blind Flanges

  • Standard blind flanges: ASME B16.5 Class 150-2500
  • High pressure blind flanges: API 6A certified
  • Large diameter blind flanges: Up to DN4000
  • Spectacle blind flanges: For frequent isolation

Selezione del materiale

  • Carbon steel ASTM A105: General service
  • Stainless steel 304/316: Corrosive environments
  • Alloy steel F11/F22: High temperature service
  • Duplex steel 2205: Marine applications

Flange Gaskets for Blind Flanges

  • Non-asbestos sheet: Standard applications
  • Spiral wound: High pressure sealing
  • Ring type joint: Extreme pressure service

Installation Standards

Follow ASME B31.3 process piping code for proper installation and torque specifications.