Valve assembly for purging particulates from a steam piping syst

Details Valve assembly for purging particulates from a steam piping syst Valve assembly for purging particulates from a steam piping syst

1984-02-07

1985-09-17

Chambers, A. Michael

Fluid handling

With means for separating solid material from the fluid

Hollow strainer, fluid inlet and outlet perpendicular to...

137886, 251346, 251351, F16K 102

Patent

active

045414564

ABSTRACT:
A valve assembly mountable in a debris strainer device installed in a steam piping system. The valve assembly includes a retractile valve stem cooperating with a conduit branch of the strainer device to form a short clearance chamber which restricts the amount of fluid which can collect in the chamber when the valve is closed. The valve stem is retractable initially to allow for substantially constant bleeding of discharge effluent prior to full retraction of the valve stem to fully open the valve for achieving "blow-off" or the blast of particulate discharge through the valve.

REFERENCES:
patent: 641179 (1900-01-01), Ball
patent: 675711 (1901-06-01), Brophy
patent: 909061 (1909-01-01), Chew
patent: 1438963 (1922-12-01), Collin
patent: 3460804 (1969-08-01), Bulon
patent: 3893473 (1975-07-01), Breece

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