Duran tubular gage glass is offered as Red Line, Standard, Heavy Wall, High Pressure, and Heavy Wall Red Line.
Diameters range from 1/2" OD to 1 1/2" OD. End finishes may be cut, ground, or fire polished depending on application.
Pressure ratings range from 90 psi to 600 psi depending on end finish, diameter, and length required.