IS 810 : 1991 Internal Combustion Engines - Engine Valves - Specification

1 Scope

1.1 This standard specifies the general requirements for inletand exhaust valves for all internal combustion engines other than for aircraft use.

1.2 Sodium filled valves, phosphate valves, shrouded valves andvalves with more than 100 mm head diameter are not covered by thisstandard.

1.3 The methods of test for quality characteristics of enginevalves are covered in IS 12969 : 1990.

2 References

IS 1586 : 1968Methods for Rockwell hardness test (B and C scales) forsteel

IS 1608 : 1972Method for tensile testing of steel products

IS 3073 : 1967Assessment of surface roughness

IS 3658 : 1981Code of practice for liquid penetrant flaw detection

IS 3703 : 1981Code of practice for magnetic particle flaw detection

IS 7494 : 1981Steel for valves for internal combustion engines

IS 12969 : 1990Method of test for quality characteristics of valves