English Parameters / Specifications Model: 67CF-1663-38512 Series: Fisher 67C Series (Instrument Supply Regulators) Type: Filtered regulator (integral filter) Body Material: Aluminum (standard for 67C/67CF) End Connections: ¼ inch NPT (inlet & outlet) Maximum Inlet Pressure (Body Rating): 250 psig (≈17.2 bar) Outlet (regulated) Spring Range: 0-60 psig (≈0-4.1 bar) Maximum Emergency Outlet Pressure (i.e., relief above set outlet): 50 psig (≈3.4 bar) above the set outlet pressure Filter: Included (typically 5 micron polyethylene standard) Temperature Capabilities (depending on elastomer choice): Nitrile (NBR): –40 °F to +180 °F (≈ –40 °C to +82 °C) Fluoroelastomer (FKM): 0 °F to +300 °F (≈ –18 °C to +149 °C) Silicone (VMQ) with low-temperature bolting: –60 °F to +180 °F (≈ –51 °C to +82 °C) Media: Air or compatible gases (subject to elastomer/filter compatibility) Typical Weight: ~0.99 lbs (~0.45 kg) Typical Applications: Instrument air supply for controllers, valve positioners, pneumatic instrumentation, panel mount lines
