• 2″ NPT inlet and outlet standard • Pilot operated design provides tight operating band • Optional inlet and outlet connections available • Inlet gas pressures from 40 PSIG to 130 PSIG • Set points from -0.5 in.W.C. to 69.2 in.W.C. • Optional flow plates to meet specific flow requirements • Fully field serviceable • Optional pilot and sense line gauges • System purge and field test capability available • Conforms to the latest ATEX Directive