Specifications / Parameters Model: 67AF Type: Pressure regulator with integral filter (filtered regulator) Series: Fisher “67” family (instrument/regulator class) Typical maximum inlet (body) pressure: 250 psig (≈17.2 bar) for standard filtered versions in this family Connections: ¼ inch NPT for the small instrument/regulator size version Outlet (regulated) pressure range: Example‑listed units show spring ranges such as 0‑35 psig (≈0‑2.4 bar) Built‑in filter: Yes (to remove particulates upstream of the regulator internals) Temperature limits (depending on elastomer/filter materials): With standard elastomer (nitrile): approx –40 °F to +180 °F (≈ –40 °C to +82 °C) With fluorocarbon elastomer (FKM): approx 0 °F to +300 °F (≈ –18 °C to +149 °C) With silicone/low‑temperature bolting option: approx –60 °F to +180 °F (≈ –51 °C to +82 °C) Approximate weight: For the small instrument version, approx 1 lb (≈0.5 kg) Typical application: Clean, regulated instrument air/gas supply for pneumatic actuators, controllers, measurement instrumentation.
