The Model POSR-1 is a pilot operated regulator primarily for use with steam.
The external pilot valve is supplied from a main valve body tapped connection.
Sizes are 1/2", 3/4" and 1" (DN15, 20 and 25).
Handles pressure drops up to 200 psi (13.8 Bar) with adjustable outlet pressures between 5 and 150 psig (.34 and 10.3 Barg).
Also available without the pilot as a pressure loaded regulator.