(4) Sensus residential service regulators have a simple, modern design and rugged construction, offering greater dependability, precise pressure control, and outstanding performance. They are designed to be installed in numerous mounting positions and are simple to adjust and service. The union nut style connection of the 143-80 makes it especially easy to adjust.
Diaphragm: Nylon fabric reinforced Buna-N with full 26 in2 effective area
Vent and Valve: Precision-fit polyethylene valve and seat, threaded 3/4" or 1" NPT