Block and bleed valve system

Details Block and bleed valve system Block and bleed valve system

1982-02-24

1984-07-10

Shepperd, John W.

Cleaning and liquid contact with solids

Apparatus

For work having hollows or passages

134 98, 137240, 1376371, B08B 304

Patent

active

044587066

ABSTRACT:
This invention relates to a block and bleed valve system comprising a chamber 2 having first and second fluid passage openings 6,7 provided with first and second valves 10,11, and connected in use of the system to respective pipe sections 26,27 from which the chamber 2 is isolatable in use by closure of said first and second valves 10,11. The chamber 2 also has a drain opening 9 provided with a drain valve 15; and a spray means 18 having a spray head 21 formed and disposed in the chamber 2 for spraying substantially all the interior surfaces of the chamber 2 with cleaning fluid.

REFERENCES:
patent: 599283 (1898-02-01), Freitas
patent: 3031148 (1962-04-01), Holdren
patent: 4373545 (1983-02-01), Knappe

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