Technical Parameters Parameter Specification Model Fisher FIELDVUE DLC3020f Type Digital, Two-Wire Level Controller Communication Protocol Foundation Fieldbus H1 (31.25 kbit/s) Input Signal From compatible Fisher electronic or pneumatic (with I/P) level transmitters. Output Signal Digital setpoint/command via Fieldbus; also provides a 4-20 mA analog output signal for the control valve (via an internal I/P converter). Power Supply 9 to 32 V DC via the Fieldbus network. Control Function PID Control Algorithm (configurable) Function Blocks Contains standard Fieldbus function blocks (AI, PID, AO, etc.) for distributed control. Ambient Temperature Range -40°F to 185°F (-40°C to 85°C) Enclosure Rating NEMA 4X (IP66) Hazardous Area Approvals FM, CSA, ATEX, IECEx for Class I, Division 1 / Zone 1 hazardous locations. Mounting Field-mounted on a pipe stanchion or wall.

Technical Parameters Parameter Specification Model Fisher CAV4 Type Constant Bleed Volume Booster / Relay Pressure Ratio 1:1 (Standard) Supply Pressure Range 20 to 100 psig (1.4 to 6.9 bar) Input & Output Signal Range Typically 3 to 15 psig (0.2 to 1.0 bar) or 3 to 27 psig (0.2 to 1.9 bar)，取决于弹簧范围。 Constant Bleed Rate Approximately 0.25 SCFM (0.42 m³/hr) at 20 psig supply. Flow Capacity (Cv) Approximately 1.4 Body Material Aluminum Connection Size 1/4" NPT (Input, Output, and Supply) Operating Temperature -40°F to 180°F (-40°C to 82°C) with standard Buna-N seals. Mounting Panel mount or directly onto a valve actuator/positioner bracket.

Technical Parameters Parameter Specification Model Fisher V280 Vee-Ball Valve Type Severe Service Rotary V-Notch Ball Control Valve Flow Characteristic Equal Percentage Shut-Off Class ANSI Class VI (Bubble-tight) with standard non-metallic seats. End Connections Flanged (ANSI Class 150 & 300) Body Materials Carbon Steel (WCB), Stainless Steel (CF8, CF8M) Ball Material Stainless Steel with Hardened Coatings (e.g., chromium carbide) available for extreme abrasion. Stem Material Stainless Steel Seat Material Reinforced PTFE (RPTFE), Ultra-High Molecular Weight Polyethylene (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) ANSI Class 300: 720 psig (49.6 bar) Flow Capacity (Cv) Varies by size. Example (Class 150 Flanged, 8"): Cv ~ 2050 Sizes (Pipe Size) 3" to 16" (DN 80 to DN 400)

Technical Parameters Parameter Specification Model Fisher 4200 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 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 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 / Options Series Fisher G-Series Valve Type Globe Body, Angle Body Flow Characteristics Linear, Equal Percentage, Quick Opening End Connections Flanged (ANSI Class 150, 300, 600, 900, 1500, 2500), Butt-Weld, Screwed (NPT) Body Materials Carbon Steel (WCB), Stainless Steel (CF8/CF8M), Alloy Steel (WC6/WC9), Ductile Iron Size Range 1/2" to 24" (DN 15 to DN 600) Pressure Rating ANSI Class 150 to 2500 Temperature Range Standard: -50°F to 1000°F (-46°C to 538°C). Extended ranges available with special bonnets and packing. Leakage Class ANSI Class II, IV, V, VI (depends on trim design) Trim Types Micro-Form™ (Standard), Cage-Guided (Balanced & Unbalanced), Noise Abatement Trim, Anti-Cavitation Trim Actuator Types Fisher 657/667 Diaphragm Actuators (Spring-Return & Double-Acting), Piston Actuators

Technical Parameters Parameter Specification Model Fisher DSA Type Top-and-Bottom Guided, Single-Port Globe Valve Trim Type Unbalanced Flow Characteristic Linear, Equal Percentage End Connections Flanged (ANSI Class 1500, 2500); Butt-Weld Body Materials Forged Carbon Steel (A105), Cast Carbon Steel (WCB), Stainless Steel (CF8/CF8M) Size Range 1" to 8" (DN 25 to DN 200) Pressure Rating ANSI Class 1500: 3600 psig (248 bar) ANSI Class 2500: 6000 psig (414 bar) Temperature Range -450°F to 1200°F (-268°C to 649°C) Leakage Class ANSI Class IV (Standard)， ANSI Class V & VI

Technical Parameters Parameter Specification Model Fisher V250 Vee-Ball Valve Type Rotary V-Notch Ball Control Valve Flow Characteristic Equal Percentage (inherent from the V-notch profile) Shut-Off Class ANSI Class VI (Bubble-tight) with standard non-metallic seats. End Connections Flanged (ANSI Class 150 & 300) Body Materials Carbon Steel (WCB), Stainless Steel (CF8, CF8M) Ball & Stem Material Stainless Steel (standard) Seat Material Reinforced PTFE (RPTFE), Ultra-High Molecular Weight Polyethylene (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) ANSI Class 300: 720 psig (49.6 bar) 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 VBL Type Lug-Style Vee-Ball Control Valve Flow Characteristic Equal Percentage Shut-Off Class ANSI Class VI (Bubble-tight) with standard non-metallic seats. End Connections Lug Style (ANSI Class 150) Body Materials Carbon Steel (WCB), Stainless Steel (CF8, CF8M) Ball Material Stainless Steel (standard), Hardened Coatings available for extreme abrasion. Stem Material Stainless Steel Seat Material Reinforced PTFE (RPTFE), Ultra-High Molecular Weight Polyethylene (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) Flow Capacity (Cv) Varies by size. Example (4" VBL): Cv ~ 480 Sizes (Pipe Size) 3" to 12" (DN 80 to DN 300)

Technical Parameters Parameter Specification Model Fisher 377 Type Pilot-Operated Safety Relief Valve (POSRV) Operation Full Nozzle or Full Bore design Set Pressure Range Wide range available, typically from 5 to 6000 psig (0.3 to 414 bar) depending on specific model and pilot. Temperature Range -450°F to 1000°F (-268°C to 538°C)，取决于主阀和导阀的配置和材料。 Body Materials Carbon Steel (Standard), Stainless Steel, Alloy Steels End Connections Flanged (Various ANSI Classes), Butt-Weld, Screwed (NPT) Orifice Size Wide range per API standards, from D (0.110 in²) to T (6.380 in²) and larger. Seat Tightness Bubble-tight (Typically ANSI Class IV or better) up to 98-99% of set pressure. Pilot Options Overpressure, Vacuum, Thermal Fire, Combination, etc.

Technical Parameters Parameter Specification Model / Series Fisher easy-e™ ET Type Engineered Pressure & Temperature Control Valve (with Integrated Desuperheater) Function Pressure Reduction + Steam Temperature Control (Attemperation) Body Style Globe or Angle (Angle body is common for better drainage and mixing) End Connections Flanged (ANSI Class 150, 300, 600, 900); Butt-Weld Body Materials Carbon Steel (WCB), Chrome-Moly Steel (WC6/WC9), Stainless Steel (CF8/CF8M) Trim Materials Stainless Steel with hardened materials for erosive service. Spray Nozzle Material Stainless Steel Size Range (Steam Line) 2" to 12" (DN 50 to DN 300) Pressure Rating ANSI Class 150 to 2500 Temperature Range (Steam) Up to 1050°F (565°C) depending on body material. Turndown Ratio High turndown (up to 50:1 or more) for both steam and water flows, allowing for stable control over a wide operating range. Outlet Temperature Control Typically capable of controlling outlet temperature to within 10-15°F (5-8°C) of saturation.