Blanking Plate
Definition & Terminology
A blanking plate (also called blind plate or sealing plate) is a solid metal/non-metal disc used to permanently or temporarily seal pipe openings or equipment flanges
Key synonyms:
Blind flange (for permanent sealing in piping systems)
Isolation plate (emphasizing safety isolation function)
Technical Specifications
Materials: Typically carbon steel (Q235) or stainless steel (304/316L)
Standards Compliance:
ASME B16.5 for pressure systems
GB standards in Chinese industrial applications
Sealing Methods:
Gasket-sealed (for removable applications)
Welded (permanent installations)
Industrial Applications
Space Frame Structures: Used as connecting components in steel frameworks (e.g., with high-strength bolts)
Piping Systems:
Temporary closure during maintenance
Permanent sealing of unused pipeline branches
Key Features
Designed for pressure containment (varies by material thickness)
Available in quick-release (KF flange compatible) or fixed versions
