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Database: 365,228(8 Aug 2026)

Sealing surface

Sealing surface, Total:22 items.

The international standard classification for "Sealing surface" includes: Piping systems , Materials and components for shipbuilding , Flanges, couplings and joints , Valves in general .

The Chinese standard classification for "Sealing surface" includes: Vessel pipeline fittings in general , Pipeline fittings , Marine pipe fittings , Valve .


Professional Standard-Ships

  • CB 537-1999 Flangs for pressure hull - Connection dimensions and mating face
  • CB/T 4196-2011 Marine pipe flanges-connection dimensions and mating face
  • CBM 1002-1981 Flange sealing surface and gasket

Professional Standard - Aerospace

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 2501-2010 Connection dimensions and mating face of marine flanges
  • GB/T 22652-2008 Overlaying-welding procedure qualification for valves sealing face
  • GB/T 569-1965 Marine pipe flanges--Connection dimensions and mating face

未注明发布机构

Professional Standard - Machinery

  • JB/T 6438-1992 Plasma arc surfacing welding for sealing surface of valves Technical requirements
  • JB/T 1732-1992 Dimensions of conical sealing surface of valve structural elements
  • JB/T 1740-1992 Structural elements of the valve Dimensions of the sealing surface of the wedge gate
  • JB/T 1733-1992 Valve structural elements Dimensions of the copper sealing surface of the valve body

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 22652-2019 Overlaying-welding procedure qualification for valves sealing face

Henan Provincial Standard of the People's Republic of China

Professional Standard - Electricity

  • DL/T 2360-2021 Technical guideline of welding repair for seal surfaces of valve

Group Standards of the People's Republic of China

  • T/LASERJS 001-2020 Technical requirements for laser cladding for pump and valve sealing surface

German Institute for Standardization

General Motors Corporation (GM)

SCC