Dual-flow valve and internal processing vessel isolation system

Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Including gas generating means

Reexamination Certificate

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C422S040000, C422S105000, C422S105000, C422S306000, C137S505330, C137S505340, C137S606000, C137S896000, C141S003000, C141S020000, C141S021000, C141S054000, C141S055000, C141S056000, C141S057000, C141S065000, C141S066000, C141S069000, C141S070000, C141S110000, C141S392000, C239S337000, C239S338000, C239S372000, C239S373000

Reexamination Certificate

active

07811532

ABSTRACT:
Fluid flow valve assembly comprising a valve body having an external port and an inlet end having at least a first port, a second port, and a third port; a first valve disposed within the valve body and adapted to control fluid flow between the first and second ports; and a second valve disposed within the valve body and adapted to control fluid flow between the third port and the external port.

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APCI eGas™ Arsine Generator Operations Manual, Mar. 28, 2005, Rev 3-0.

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