Standard construction includes type 316 stainless steel flanging, 304 hardware and PFA / glass lined wetted surfaces. Polycarbonate shield tubes are provided on all units. The hollow ball float is molded from PFA and seals into a soft seat made of a white Chemraz® fluoroelastomer.

Units have a full vacuum to 150 psi rating at temperatures from -20° up to 300°F.

Options Available:

Gas Purge Ring- for purging and environmental control of the annular area between the glass tube and shield.

General Purpose and Explosion Proof Light - for back-lighting through windows in difficult lighting installations