Masoneilan Regulators / MasoneilanMasoneilan 173 Series Spring Loaded, Direct-Operated Back-Pressure Regulator
Masoneilan 173 Series Spring Loaded, Direct-Operated Back-Pressure RegulatorMasoneilan 173 Series direct‑acting spring regulators serve steam, gas and liquid applications for pressure relief and back‑pressure control. Available in ½”–2” (DN15–DN50), they ensure durable, continuous industrial service.