Patent ID: 8206598

Claim:
A method of purging a fluid line of a fluid system using an adapter, the method comprising the steps of: providing a filter assembly in fluid communication with a fluid system, the filter assembly having a housing that includes a first portion and a second portion, the first portion of the filter assembly having a first port in fluid communication with a first line and a second port in fluid communication with a second line; positioning a second side of a plate of an adapter in contact with the first portion of the housing, the second side adapted to interface with the external interface of the first portion in a close fitting relation, the close fitting relation defining an interior space between the plate and the first portion, the interior space in fluid communication with the first line and the interior space in fluid communication with an external interface of the plate, the interior space isolated from fluid communication with the second line; using an attachment mechanism to secure the second side of the adapter plate and the first portion in the close fitting relation; connecting an external source of pressure to the external interface; using the external source of pressure to pressurize the interior space, the first port and the first line; and pressurizing the interior space, first port and first line to purge the first line.