GO / NOSHOK BP3-1D11I5D111 BP-3 SERIES PREISSURE REGULATOR ATTACHED WITH SOCKET PRESSURE GAUGE T269008

The GO Regulator BP3-1D11I5D111 is an adjustable back pressure regulator from the BP-3 Series, designed to control inlet pressure in gas or liquid instrumentation systems. While you mentioned the PR1 series, the model number "BP3" specifically refers to the back pressure variant. And The NOSHOK 316 Stainless Steel Tube & Socket Pressure Gauge is a high-accuracy, corrosion-resistant instrument designed for industrial applications involving hydraulics, pneumatics, and chemical processing. Featuring a 316SS Bourdon tube and socket, it offers high durability, supporting pressure ranges up to 15,000 psi in various sizes (e.g., 2.5", 4") with standard NPT connections.