Technical Parameters Parameter Value / Description for 167DA-85 Fisher Model Number 167DA-85 Type Direct-Operated Pressure Reducing Regulator Orifice Size / Connection 1/2 inch Female NPT - This is the key identifier for the -85 suffix. Body Material Diecast Zinc Trim Materials Typically includes EPDM gaskets, Neoprene diaphragm, and reinforced elastomer valve head. Max Inlet Pressure (P1) 400 psig (28 bar) Outlet Pressure Range (P2) 5 to 125 psig (0.3 to 8.6 bar) - This is the most common spring range for this model. Temperature Range -20°F to +150°F (-29°C to +66°C) Flow Coefficient (Cv) Approximately 3.0 (varies with specific pressure drop)
