Technical Parameters Parameter Specification Product Name Fisher Whisper™ NXG Trim Type Multi-Stage, Noise Attenuation & Anti-Cavitation Trim Primary Function Noise Reduction & Cavitation Control Noise Reduction Capability Up to 25 dBA or more, depending on application conditions. Pressure Drop Capability Capable of handling very high pressure drops (ΔP), often in excess of 1000 psi. Compatible Valve Bodies Fisher easy-e™ ES, G-Series, 1050/1051, and other cage-style globe valves. Trim Construction Stacked disks/plates with precision-engineered micro-perforations and flow channels. Wetted Materials Stainless Steel (Standard), Alloy Steel, Stellite-hardened for erosive services. Size Range Designed to fit valve sizes from 1" to 12" (DN 25 to DN 300) and larger. Temperature Limits Limited by the valve body and gasketing, typically up to 800°F (427°C) or more. Flow Capacity (Cv) Varies by size and specific NXG trim design. Provides a balanced Cv for its noise reduction class.

Technical Parameters Parameter Specification Model Fisher 644 (Reducing) Fisher 645 (Backpressure/Relief) Type Pilot-Operated Pressure Controller Function Pressure Reducing Backpressure Relief Body Materials Ductile Iron (Standard), Cast Iron, Carbon Steel End Connections Flanged (ANSI Class 150, 300, 600); Butt-Weld Size Range (Main Valve) 1" to 8" (DN 25 to DN 200) Maximum Inlet Pressure (P1) Up to 1440 psig (99 bar) for ANSI 600 models. Outlet Pressure Range (P2) Wide range available via interchangeable pilot springs. Temperature Range -20°F to 150°F (-29°C to 66°C) with standard elastomers. Flow Capacity (Cv) Very high. Example (2" 644): Cv ~ 45

Technical Parameters Parameter Specification Product Name Fisher HVP (High Velocity Pitot) Valve Type Specialized Shut-Off Valve for Pitot Tubes Function Isolation for In-line Removal/Insertion of HVP Flow Elements Body Materials Carbon Steel (WCB), Stainless Steel (CF8) End Connections Flanged (ANSI Class 150 to 600), Butt-Weld Pressure Rating ANSI Class 150: 275 psig (19 bar) ANSI Class 300: 720 psig (49.6 bar) ANSI Class 600: 1440 psig (99 bar) Temperature Range -20°F to 450°F (-29°C to 232°C) (depending on seal materials) Seal Type Metal-to-Metal (primary seal)

Technical Parameters Parameter Specification Model Fisher i2P-100 Type Two-Wire, Intrinsically Safe, 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 (12 to 30 V DC loop power) Supply Air Pressure 20 to 60 psig (1.4 to 4.1 bar), clean and dry. Air Consumption (No Load) Typically 0.25 SCFM (0.42 m³/hr) Accuracy ±0.5% of span Intrinsic Safety Rating FM/CSA/CENELEC approved for Class I, Division 1, Groups A, B, C, D hazardous locations. Ambient Temperature Range -40°F to 180°F (-40°C to 82°C) Enclosure Rating NEMA 4X (IP66) when properly installed in an IS system. Mounting Panel mount, DIN rail, or direct to actuator.

Technical Parameters Parameter Specification Product Name Fisher WhisperFlo™ Aerodynamic Trim Type Multi-Stage, Noise Attenuation Trim Primary Fluid Service Gases and Steam (Compressible Fluids) Noise Reduction Capability Typically 15 to 25 dBA (depending on initial pressure drop and valve size) Pressure Drop Capability Capable of handling very high pressure drops (ΔP), often in excess of 1000 psi. Compatible Valve Bodies Fisher easy-e™, G-Series, 1050/1051, and other cage-style globe valves. Trim Construction Cylindrical cage with multiple stages of perforated plates or stacked disks. Wetted Materials Stainless Steel (Standard), Alloy Steel Size Range Designed to fit valve sizes from 1" to 12" (DN 25 to DN 300) and larger. Temperature Limits Limited by the valve body, typically up to 800°F (427°C) or more. Flow Capacity (Cv) Varies by size and specific trim design. Provides a balanced Cv for its noise reduction class.

Technical Parameters Parameter Specification Model Fisher™ 4660 Type Digital Valve Positioner with Foundation Fieldbus Communication Protocol Foundation Fieldbus H1 (31.25 kbit/s) Input Signal Digital setpoint via Fieldbus 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. 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 / 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.

Technical Parameters Parameter Specification Model Fisher 3582i 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 2.5 SCFM (4.25 m³/hr) at steady state (high capacity). Stem Travel Range Linear: 0.5 to 6.0 in (12.7 to 152.4 mm) Rotary: 25° to 120° Flow Characteristic Linear (standard), Equal Percentage (optional with different cam) Action Direct or Reverse (field reversible) Enclosure Rating NEMA 4X (IP66) Mounting Directly on Fisher and other major manufacturers' actuator models.

Technical Parameters Parameter Specification Model Fisher™ 8560 Type Spring-Return, Electro-Hydraulic Actuator Action Spring-Return (Electrically actuated in one direction, spring returns to fail-safe position) 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 1,000 lb-in (113 Nm) to 30,000 lb-in (3,390 Nm) or higher. Stroking Speed Typically 5 to 30 seconds for 90° travel, depending on model and load. Operating Temperature -40°F to 150°F (-40°C to 65°C); optional heaters available for colder climates. Enclosure Rating NEMA 4X / 7 / 9 (weatherproof, corrosion-resistant, and for hazardous locations). Hazardous Area Certification Available for Class I, Division 1 & 2, Groups C, D; Class II, Groups E, F, G.

Technical Parameters Parameter Specification Model Fisher C1 Type Self-Operated Temperature Regulator Operating Principle Liquid-Filled Thermal System (Remote Bulb and Capillary Tube) Body Materials Cast Iron (Standard), Bronze, Ductile Iron, Carbon Steel End Connections Screwed (NPT), Flanged Size Range 1/2" to 2" (DN 15 to DN 50) Temperature Setting Range Various ranges available, e.g., 50°F to 250°F (10°C to 121°C), depending on bulb fill and spring. Pressure Rating Up to 250 psig (17 bar), depending on body material. Bulb Material Brass or Stainless Steel Capillary Tube Length Standard lengths available, e.g., 6 ft (1.8 m) or 10 ft (3 m).