HB 4-1-1999
General specification for flared pipe fittings (English Version)

Standard No.

HB 4-1-1999

Language

Chinese, Available in English version

Published By

Professional Standard - Aviation

Status

Be replaced 2003-02

Replace By

HB 4-1-2002

Latest

HB 4-1-2002

Scope

This standard specifies the technical requirements, inspection rules, packaging and storage of flared conduit connectors. This standard is applicable to standard parts for rigid connection of flared ducts in piping systems of aircraft, missiles, engines and their accessories whose working pressure is not greater than 21MPa.

HB 4-1-1999 history

• 2003 HB 4-1-2002 General specification for flared tube connection
• 1970 HB 4-1-1999 General specification for flared pipe fittings
• 1984 HB 4-1-1983 Specifications for flared pipe connectors
• 1973 HB 4-1-1976 Specifications for flared pipe connectors