Technical Parameters Parameter Specification / Options Series Fisher M Series Type Self-Operated Pressure Regulator Primary Function Pressure Reducing, Back Pressure, Differential Pressure Body Materials Cast Iron (Standard), Ductile Iron, Bronze, Carbon Steel, Stainless Steel End Connections Screwed (NPT), Flanged Size Range 1/4" to 3" (DN 8 to DN 80) Maximum Inlet Pressure Varies by model and material, up to 400 psig (28 bar) or higher. Outlet Pressure Range Multiple ranges available via different springs, e.g., 3 to 50 psig (0.2 to 3.4 bar), etc. Temperature Range -20°F to 450°F (-29°C to 232°C), depending on seal materials.

Key Parameters Category Parameter Name Description & Typical Values Valve Specifications Valve Size 1/2" to 3" (DN 15 to DN 80) End Connections Flanged (ANSI 125/250/300 lbs), Screwed (NPT), or others Body Materials Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel Pressure Ratings Maximum Inlet Pressure Up to 4000 psig (275 bar), depending on size and body material Outlet Pressure Range Adjustable via spring. Various spring ranges are available, e.g., 3 to 125 psig (0.2 to 8.6 bar), 50 to 300 psig (3.4 to 20.7 bar), etc. Pressure Class ANSI Class 125, 150, 300, etc. Internal Parts (Trim) Trim Materials Stainless Steel, Carbon Steel, and other alloys depending on the service. Diaphragm Material Reinforced Elastomer (e.g., NBR) or PTFE for corrosive services. Performance & Environmental Flow Characteristic Quick-opening (standard). Other characteristics may be available. Leakage Class Class II (standard) or Class IV (with soft seat). Temperature Limits Standard: -20°F to +150°F (-29°C to +66°C) with elastomer diaphragm. Higher temperatures possible with specific materials (e.g., PTFE). Configurations Control Action Pressure Reducing: Direct-acting (fails to close). Back-Pressure Relief: Direct-acting (fails to open).

Engineered for industrial automation, the ABB SD831 3BSC610064R1 DCS Module is designed to enhance control system performance, offering seamless integration and robust reliability in manufacturing processes.