Bourdon tube pressure gauge

摘要

Provided is a bourdon tube pressure gauge capable of preventing detachment from a joint of a bourdon tube which is made of metal and is fixed to the joint made of a resin. The bourdon tube pressure gauge includes: a joint which is made of the resin and is attached to a pressure container; and a bourdon tube which is made of metal and has a rear end fixed to the joint. The joint comprises a fixation hole into which the rear end of the bourdon tube is inserted to be fixed by bonding, and an inside of the fixation hole is more widened than an opening of the fixation hole which serves as an insertion port for the bourdon tube.