Selecting particular materials for valve members or valve seats; Valve members or valve seats composed of two or more materials

Introduced: September 1968

Last revised: January 2006

Full Title

Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof > Selecting particular materials for valve members or valve seats; Valve members or valve seats composed of two or more materials

Classification Context

Section:: MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:: MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
Subclass:: CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES

1 direct subcode

Child Classifications

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F01L 3/04 Coated valve members or valve seats