Hardfaced valves and method of making same

Details Hardfaced valves and method of making same Hardfaced valves and method of making same

1983-01-07

1985-07-16

Chambers, A. Michael

Valves and valve actuation

Valve

251368, 123188AA, F01L 300

Patent

active

045291691

ABSTRACT:
A poppet-type valve having a circumferential seating face including an annular seating area extending between inner and outer radial limits, a circumferential groove formed in the seating face and hardfacing material in the groove, the groove extending radially inwardly from the valve head periphery a sufficient distance beyond the inner radial limit that high temperature deposition of hardfacing material within the groove will not cause substantial dilution by valve head material of the composition of the hardfacing material within the annular seating area.

REFERENCES:
patent: 2458502 (1949-01-01), Cape
patent: 2495731 (1950-01-01), Jennings
patent: 3147747 (1964-09-01), Kittelson
patent: 3599619 (1971-08-01), Kuhn
patent: 3649380 (1972-03-01), Tauschek

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