Technical Parameters Parameter Specification Model Fisher™ 4194 (Part of the Rosemount 3051S family) Type Smart Pressure Transmitter (Gauge & Absolute) Output Signal 4-20 mA DC, HART 5/6/7 digital overlay Power Supply 10.5 to 45 V DC (standard, for 4-20 mA with HART) Communications HART Protocol Accuracy ±0.075% of calibrated span (includes linearity, hysteresis, and repeatability) Pressure Ranges Wide selection from as low as 5 inH₂O (1.25 kPa) to 4000 psi (275 bar). Ambient Temperature Limits -40°F to 185°F (-40°C to 85°C) Process Temperature Limits -40°F to 250°F (-40°C to 121°C) Wetted Parts Materials 316 Stainless Steel, Hastelloy C-276 Process Connection 1/2" NPT or 1/4" NPT internal thread Electrical Connection 1/2" NPT conduit connection Enclosure Rating NEMA 4X (IP66/67) Adjustable Damping 0 to 32 seconds (via software configuration)

Technical Parameters Parameter Specification Model Fisher A31D Type Double-Acting, Scotch Yoke Pneumatic Actuator Action Double-Acting (Air-to-Open / Air-to-Close) Standard Travel 90° quarter-turn. Body Material Aluminum with epoxy powder coat Piston Seal Material Buna-N (Standard) Operating Temperature Range -4°F to 180°F (-20°C to 82°C) with standard Buna-N seals. Supply Pressure Range 40 to 120 psig (2.8 to 8.3 bar) Torque Output Varies by size and supply pressure. Example (at 80 psig): - Size 6: ~ 115 lb-in (13 Nm) - Size 12: ~ 480 lb-in (54 Nm) - Size 20: ~ 1325 lb-in (150 Nm) Sizes (Frame Size) 6, 12, 20, 35, 60, 100, 160 (The number corresponds to the piston diameter in millimeters).

Technical Parameters Parameter Specification Model Fisher 3570 Type Force-Balance Pneumatic Valve Positioner Input Signal 3 to 15 psig (0.2 to 1.0 bar) Supply Pressure 20 to 100 psig (1.4 to 6.9 bar) Output Pressure Essentially equal to the supply pressure range (up to the supply pressure limit). Air Consumption Approximately 1.0 SCFM (1.7 m³/hr) at steady state. Stem Travel Range Linear: 0.5 to 6.0 in (12.7 to 152.4 mm) Rotary: 25° to 120° Flow Characteristic Cams Linear, Equal Percentage, Quick Open Action Direct or Reverse (field reversible) Enclosure Rating NEMA 4 (IP65) Mounting Directly on Fisher and other major manufacturers' actuator models.

Technical Parameters Parameter Specification / Options Product Name Fisher Multiport Valve Assembly (Manifold) Type / Configuration 3-Valve Manifold, 5-Valve Manifold Valve Types Integral Block and Bleed Body Materials Carbon Steel (Standard), Stainless Steel (316 SS), Alloy Steel Seat & Seal Materials Stainless Steel, PTFE Pressure Rating ANSI Class 150, 300, 600, 900, 1500, 2500 (Commonly ANSI 600 and 1500) Temperature Range Varies with materials and seals, typically from -50°F to 1200°F (-46°C to 649°C). Process Connections 1/2" NPT (Common for transmitter side), 1/2" to 1" NPT or Flanged (for process side). Operator Handwheel (Standard), Lever

Technical Parameters Parameter Specification Model Fisher Vee-Ball SS-84PSV4 Type Rotary V-Notch Ball Control Valve Valve Size 8 inches Body Material Stainless Steel (CF8/CF8M) Actuator Type Spring-Return Piston Actuator (Fail-Safe) Flow Characteristic Equal Percentage Shut-Off Class ANSI Class VI (Bubble-tight) End Connections Flanged (Likely ANSI Class 150 or 300) Ball & Stem Material Stainless Steel Seat Material Reinforced PTFE (RPTFE) or UHMW-PE Temperature Range -40°F to 400°F (-40°C to 204°C) with standard polymeric seats. Pressure Rating ANSI Class 150: 275 psig (19 bar) or ANSI Class 300: 720 psig (49.6 bar) Flow Capacity (Cv) Approximately 2050 (for an 8" Class 150 V-Ball)

Technical Parameters Parameter Specification Model Fisher 546 Type Two-Wire, Current-to-Pressure (I/P) Transducer Input Signal 4-20 mA DC (Two-wire) Output Signal 3-15 psig (0.2-1.0 bar); other ranges available. Power Supply 24 V DC nominal (10.5 to 45 V DC loop power) Supply Air Pressure 20 to 60 psig (1.4 to 4.1 bar) Air Consumption (No Load) Typically 0.2 SCFM (0.33 m³/hr) Accuracy ±0.5% of span Linearity & Hysteresis ±0.25% of span Ambient Temperature Range -40°F to 180°F (-40°C to 82°C) Enclosure Rating NEMA 4X (IP66) Mounting Panel mount, DIN rail, or direct to actuator.

Technical Parameters Parameter Specification Model Fisher DVI (e.g., DVI 1, DVI 2, etc., for different travel ranges) Type Digital Valve Interface (Valve Position Transmitter) Sensing Technology LVDT (Linear Variable Differential Transformer) Output Signal 4-20 mA DC, two-wire (Typically) Power Supply 24 V DC nominal (Typically 12-30 V DC loop power) Stroke Length Range Available for various strokes, common ranges cover 0.5 to 6.0 inches (12.7 to 152.4 mm). Linearity & Hysteresis ±0.5% of span (Typical) Ambient Temperature Range -40°F to 180°F (-40°C to 82°C) Enclosure Rating NEMA 4X (IP66) Hazardous Area Approvals FM/CSA Intrinsically Safe (IS) and Explosion-Proof (XP) options.

Technical Parameters Parameter Specification Model Fisher 3610J Type Double-Acting, Piston Actuator (Scotch Yoke) Action Double-Acting (Air-to-Open / Air-to-Close) Standard Travel 90° quarter-turn. Body Material Cast Aluminum Piston Material Steel Operating Pressure Range 50 to 150 psig (3.4 to 10.3 bar) is standard. Torque Output Varies by size and supply pressure. Example (at 120 psig): - Size 30: ~ 2,200 lb-in (249 Nm) - Size 70: ~ 12,500 lb-in (1,412 Nm) - Size 100: ~ 25,000 lb-in (2,824 Nm) Sizes (Frame Size) 30, 40, 50, 60, 70, 80, 100, 120

Technical Parameters Parameter Specification Model Fisher 2500 Type Electronic Torque Tube Level Transmitter Measurement Principle Buoyancy (Torque Tube) Output Signal 4-20 mA DC, two-wire Power Supply 12 to 45 V DC (standard for two-wire loop) Mounting Top-mounted (suspended from the top of the vessel). Displacer Lengths Available in a wide range of standard lengths to match the required level measurement span. Process Connections Typically 2-inch or 3-inch NPT or 150# / 300# Flange. Body Materials Carbon Steel, Stainless Steel Displacer & Torque Tube Stainless Steel (standard), Monel, and other alloys available for corrosive services. Temperature Limits Standard: -20°F to 450°F (-29°C to 232°C). High-Temp versions available up to 850°F (454°C). Pressure Rating Up to 3000 psig (207 bar) depending on model and torque tube rating. Accuracy ±0.5% of span (typical)

Technical Parameters Parameter Specification Model Fisher 655 (Direct-Acting) Fisher 655R (Reverse-Acting) Type Spring-Return Diaphragm Actuator Action Air-to-Open / Spring-to-Close Air-to-Close / Spring-to-Open Standard Signal Range 3 to 15 psig (0.2 to 1.0 bar) Supply Pressure Range Up to 45 psig (3.1 bar) for the 3-15 psig range. Spring Ranges Multiple springs available for different thrust outputs and fail-safe actions. Effective Area Varies by size. Example (Size 70): 199 in² (1284 cm²) Stem Thrust Varies by size and air pressure. Example (Size 70 at 15 psig): ~2985 lb (13280 N) Stroke Lengths Available in various standard strokes, e.g., 0.5 to 4.0 inches (12.7 to 101.6 mm). Temperature Limits -20°F to 150°F (-29°C to 66°C) with standard Buna-N diaphragm. Diaphragm Material Buna-N with nylon cloth (standard)