Used for freezing out undesired vapors in the vacuum system in conjunction with Dewar Flasks using dry ice + acetone, liquid nitrogen orother freezing mixtures. Protects the mechanical pump from attack by corrosive vapors
Standard joint 34/45. Length of outer body below joint about 225 mm. Diameter of outer body about 38 mm. Two piece construction allows removal of condensate.
Similar traps with different joints and dimensions can be fabricated. Connections can be 90˚ or 180˚.