Technical Parameters Parameter Specification Model Fisher 3661 (Various suffixes denote specific types, e.g., 3661L for large displacer) Type Pneumatic Displacer Level Controller Measurement Principle Buoyancy (Torque Tube) Output Signal 3 to 15 psig (0.2 to 1.0 bar) pneumatic, proportional to level Supply Air Pressure 20 psig (1.4 bar) minimum, typically 20-35 psig (1.4-2.4 bar) is supplied. Air Consumption Very low at steady state; typically < 0.1 SCFM (0.17 m³/hr). Mounting Top-mounted (suspended from the top of the vessel). Displacer Length Available in various standard lengths to match the required level measurement span. Process Connections Typically 2-inch NPT or 150# / 300# Flange. Body Materials Cast Steel, Stainless Steel, Alloy Steel Displacer & Torque Tube Stainless Steel (standard), 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.

Technical Parameters Parameter Specification Model Fisher 3710 Type Spring-Return, Piston Actuator Action Spring-Return (Air-to-Open / Spring-to-Close or Air-to-Close / Spring-to-Open) Standard Travel 90° quarter-turn (for rotary valves). Actuator Style Piston and Crank Assembly Body Material Aluminum with epoxy coating Spring Housing Material Carbon Steel (standard) Operating Pressure Range 40 to 120 psig (2.8 to 8.3 bar) is standard. Higher pressure versions (e.g., up to 200 psig) are available. Failsafe Action Failsafe Open or Failsafe Closed, determined by the mechanical linkage assembly. Temperature Limits -4°F to 180°F (-20°C to 82°C) with standard Buna-N seals. Torque Output Varies by size and supply pressure. Example (at 80 psig): - Size 16: ~ 190 lb-in (21 Nm) - Size 40: ~ 1180 lb-in (133 Nm) - Size 100: ~ 7400 lb-in (836 Nm) Sizes (Frame Size) 16, 25, 40, 65, 100, 140, 200

Technical Parameters Parameter Specification Model Fisher 1B Type Pneumatic Torque Tube Level Transmitter Measurement Principle Buoyancy (Torque Tube) Output Signal 3 to 15 psig (0.2 to 1.0 bar) Supply Air Pressure 20 psig (1.4 bar) minimum, typically 20-35 psig (1.4-2.4 bar) is supplied. Air Consumption Very low at steady state; typically < 0.1 SCFM (0.17 m³/hr). Mounting Top-mounted (suspended from the top of the vessel). Displacer Length Available in a wide range of standard lengths to match the required level measurement span. Process Connections Typically 2-inch NPT or 150# / 300# / 600# Flange. Body Materials Cast Steel, 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.

Technical Parameters Parameter Specification Model Fisher 1061 Type Unbalanced, Flanged Globe Valve Trim Type Unbalanced Trim (Standard) Flow Characteristic Equal Percentage or Linear (depending on plug selection) End Connections ANSI Class 150, 300, or 600 Flanged (RF or RTJ) Body Materials Carbon Steel (WCB), Stainless Steel (CF8, CF8M), Ductile Iron Trim Materials Stainless Steel (Standard) Temperature Range -20°F to 850°F (-29°C to 454°C) depending on body/trim materials and seat gasketing. Pressure Rating ANSI Class 150: 275 psig (19 bar) ANSI Class 300: 720 psig (49.6 bar) ANSI Class 600: 1440 psig (99.3 bar) Leakage Class ANSI Class IV (Standard) ANSI Class VI (Soft Seat) options available. Sizes (Pipe Size) 1" to 8" (DN 25 to DN 200)

Technical Parameters Parameter Specification Model Fisher L2e (with suffixes for type: e.g., L2e-SR for Spring-Return) Type Electro-Hydraulic Actuator Action Double-Acting (L2e-DA) or Spring-Return (L2e-SR) Standard Travel 90° quarter-turn (with adjustable travel stops) Power Supply 24 VDC, 110 VAC, 220 VAC (50/60 Hz) are standard options. Control Signal 4-20 mA for proportional control, Discrete (On/Off) Feedback Signal 4-20 mA or 0-10 VDC position feedback (standard) Torque Output Varies by model. Ranges from approximately 40 lb-in (4.5 Nm) to 17,000 lb-in (1920 Nm). Operating Temperature -40°F to 150°F (-40°C to 65°C); optional heaters available for colder climates. Enclosure Rating IP66, IP67, and NEMA 4X (watertight and corrosion-resistant). Hazardous Area Certification Available for Class I, Division 2 / Zone 2 hazardous locations

Technical Parameters Parameter Specification Model Fisher V260 Type V-Ball Rotary Control Valve Flow Characteristic Equal Percentage (inherent from the V-notch profile) End Connections Flanged (ANSI Class 150 & 300); Lugged and Wafer-style bodies are also available. Body Materials Carbon Steel (WCB), Stainless Steel (CF8, CF8M), Alloy 20, Duplex Stainless Steel Ball & Stem Stainless Steel (standard), with hard-facing (e.g., Stellite) options for abrasive service. Seat Material Reinforced PTFE (RPTFE) is standard, providing ANSI Class VI shut-off. Other materials like UHMW-PE and metal seats are available. Temperature Range -40°F to 500°F (-40°C to 260°C) with standard RPTFE seats. Temperature range can extend with different seat materials. Pressure Rating ANSI Class 150: 275 psig (19 bar) ANSI Class 300: 720 psig (49.6 bar) Leakage Class ANSI Class VI (Bubble-tight) with non-metallic seats. Flow Capacity (Cv) Varies by size. Example (Class 150 Flanged): - 3 inch: ~ 290 - 6 inch: ~ 1150 - 8 inch: ~ 2050 Sizes (Pipe Size) 1" to 12" (DN 25 to DN 300)

Technical Parameters Parameter Specification Model Fisher 4196 (with suffixes for specific ranges and materials) Type Smart Differential Pressure Transmitter Output Signal 4-20 mA DC, HART/DE digital overlay Power Supply 10.5 to 45 V DC (standard, for 4-20 mA with HART) Communications HART 5/7 & FISHER® DIGITAL EXCHANGE (DE) Accuracy ±0.075% of calibrated span (includes linearity, hysteresis, and repeatability) Differential Pressure Ranges Wide selection from as low as 0-5 inH₂O (0-1.25 kPa) to 0-2000 psi (0-13790 kPa). Static Pressure Rating Up to 3600 psi (248 bar) depending on model and flange rating. Process Temperature Limits -40°F to 250°F (-40°C to 121°C) Ambient Temperature Limits -40°F to 185°F (-40°C to 85°C) Wetted Parts Materials 316 Stainless Steel, Hastelloy C-276 Process Connections 1/4" NPT internal thread; 1/2" NPT external thread with adapter. 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 249 (with suffixes for specific models, e.g., 249R, 249H) Type HART Signal Conditioner / Isolator / Converter Input Signal 4-20 mA, HART digital signal (from a 2-wire HART transmitter) Output Signal 4-20 mA (analog, isolated from input) HART Communication Supports HART 5/6/7 protocol on the input side. Power Supply Typically 18-30 V DC (loop powered or separately powered depending on model). Load Capacity 0-600 Ohms (on the 4-20 mA output loop) Accuracy ±0.05% of span Isolation Input to Output to Power: 1500 V AC (standard) Response Time Typically < 100 ms. Ambient Temperature Limits -4°F to 185°F (-20°C to 85°C) Mounting Standard 35 mm DIN Rail Enclosure Module for mounting inside a control panel cabinet. Typical Functions Signal repeater, Square root extraction, Signal isolator, Signal converter.

Technical Parameters (English) Parameter Specification Model Fisher FIELDVUE DVC6200f Type Digital Valve Controller (Positioner) with Foundation Fieldbus Communication Protocol Foundation Fieldbus H1 (31.25 kbit/s) Input Signal Digital setpoint via Fieldbus; also accepts a 4-20 mA backup signal for critical applications. Supply Air Pressure 20 to 100 psig (1.4 to 6.9 bar) Air Consumption Less than 0.2 SCFM (0.33 m³/hr) at steady state (less than 0.02 SCFM for low bleed models). Stem Travel Range 0.2 to 4.0 inches (5.0 to 101.6 mm) for linear actuators; 25° to 120° for rotary actuators. Accuracy Better than ±0.5% of span (including linearity, hysteresis, and dead band). Ambient Temperature Range -40°F to 185°F (-40°C to 85°C) Enclosure Rating NEMA 4X (IP66/67) Hazardous Area Approvals FM, CSA, ATEX, IECEx for Class I, Division 1 / Zone 1 hazardous locations. Function Blocks Contains standard Fieldbus function blocks (AI, AO, PID, etc.) for distributed control. Partial Stroke Test (PST) Configurable for automated testing of Safety Instrumented Functions (SIF).

Technical Parameters Parameter Specification Model Fisher TBX-T (Specific model numbers depend on size and rating) Type Engineered Turbine Bypass Valve System (Valve + Desuperheater + Actuator) Valve Design Multi-stage, anti-cavitation trim (e.g., cage-guided with multiple pressure drop stages) Actuator Type Piston Actuator (Hydraulic or Pneumatic) for high-speed, high-thrust operation. Function Pressure Let-Down and Temperature Reduction (Attemperation) Inlet Pressure (Max) Up to 3500 psig (241 bar) or higher, depending on the specific plant design. Pressure Drop (ΔP) Capable of handling extremely high pressure drops, often from full boiler pressure to condenser vacuum. Inlet Temperature (Max) Up to 1050°F (565°C) for superheated steam. Water Injection (Desuperheating) Integrated system to control outlet temperature, typically within 15°F (8°C) of saturation. Stroking Speed 1 to 5 seconds for full travel, depending on size and actuator. Valve Body Material Forged Chromium-Molybdenum Steel (e.g., F22) or similar high-temperature alloys. Trim Materials Stainless Steel with hardened materials (e.g., Stellite) for erosion resistance. End Connections Typically Butt-Weld ends to match main steam piping. Sizes (Pipe Size) 4" to 16" (DN 100 to DN 400) and larger, depending on plant capacity.