GB/T 34028-2017
ActiveValve stem reciprocating seals of engine and performance test method
发动机气门导杆往复油封及性能试验方法
Application Summary AI generated
This standard specifies the technical requirements and performance test methods for reciprocating seals used on engine valve stems. It is applied in the automotive and internal combustion engine industries for evaluating the sealing effectiveness, wear resistance, and durability of rubber or plastic oil seals under simulated engine operating conditions. The standard ensures reliable oil control and reduced emissions in gasoline and diesel engines during development, quality control, and procurement testing.
Related Standards
GB/T 28494-2012
Globe valves of thermoplastics materials
JB/T 51136-1999
Product quality grading of engine rubber seal
JB/T 51137-1999
Product quality grading of agricultural rubber dust boot
GB/T 19274-2003
Geosynthetics--Plastic geocell
GB/T 19470-2004
Geosythetics--Plastic geonet
GB/T 19472.2-2004
Polyethylene structure-wall piping system for underground usage--Part 2:Polyethylene spirally enwound structure-wall pipes
GB/T 19472.1-2004
Polyethylene structure wall pipeline system for underground usage--Part 1:Polyethylene double wall corrugated pipes
GB/T 19473.2-2004
Polybutylene(PB) piping systems for hot and cold water installations--Part 2:Pipes
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.