Technical Specifications Category Specification Model 627WH Type Pneumatic Spring-and-Diaphragm Rotary Actuator Key Features Weather-Resistant (W) & High-Temperature (H) Action Spring-Return (Single-Acting) Standard Travel 90 degrees Air Signal 3 to 15 psig (0.2 to 1.0 bar) standard. Spring Ranges Available in multiple ranges (e.g., 3-15 psig, 6-30 psig, 9-45 psig). Temperature Limits Standard (with High-Temp Kit): Up to +200°F to +250°F (+93°C to +121°C) or higher. The exact limit depends on the specific high-temperature diaphragm and grease used. Torque Output Varies by actuator size and air supply. Fail-Safe Yes (inherent to spring-return design). Mounting Direct mounting to Fisher and other manufacturers' rotary valves. Diaphragm Material High-Temperature Elastomer like Viton or EPDM. Housing Material Coated Cast Iron or Aluminum.

Technical Specifications Category Specification Model Type 6010 Type Pneumatic Force-Balance Pressure Transmitter Input Signal Process Pressure (Gauge, Absolute, or Differential) Output Signal 3 to 15 psig (0.2 to 1.0 bar) Supply Air Pressure 20 psig (1.4 bar) minimum. Typically supplied at 20-35 psig. Air Consumption Approximately 0.15 SCFM (4.25 standard liters per minute) at maximum output. Accuracy Typically ±0.5% of span (including linearity, hysteresis, and dead band). Sensing Elements Available in various types for different pressure ranges: • Bourdon Tube: For higher pressures. • Diaphragm: For lower pressures or differential pressure. Pressure Ranges Available in a wide variety of spans, from a few inches of water column to several thousand psig. Case Material Cast Aluminum or Fiberglass Wetted Parts Materials Stainless Steel, Monel, Hastelloy, etc., depending on the process fluid. Ambient Temperature Limit -20° to +140°F (-29° to +60°C) Mounting Directly to process connection (e.g., 1/2" NPT) or with a separate mounting bracket.

Technical Specifications Category Specification Model / Series GX (Example series) Valve Type Floating Ball Valve Function On/Off & Modulating Control Port Type Full Port or Standard Port Size 1" (DN25) Pressure Class ANSI Class 300 End Connections Flanged, Raised Face (RF) Seat Leakage Typically meets ANSI Class VI (Bubble-Tight) or Class IV with soft seats. Temperature Range Depends on seat/seat material. Standard PTFE seats: -20°F to +400°F (-29°C to +204°C). Body Materials Carbon Steel (WCB) is standard. Stainless Steel (CF8M/316SS) and other alloys are common options. Seat Materials Reinforced PTFE (RPTFE), PEEK, Metal for high-temp services. Ball Material Typically Chrome Plated Carbon Steel or Stainless Steel.

Technical Specifications Category Specification Model FIELDVUE DVC6205 Type Digital Valve Controller (Digital Positioner) Input Signal 4-20 mA DC, two-wire, with HART 7 digital communication overlay. Output Signal Pneumatic pressure to actuator (typically requires a supply pressure 5-25 psi above the required output). Supply Air Pressure 20 to 150 psig (1.4 to 10.3 bar). Air Consumption Less than 0.15 SCFM (4.2 NLPM) at steady state (significantly higher during rapid movement). Supply Air Quality Clean, dry, instrument-quality air as per ISA 7.0.01. Travel Feedback Non-contact, magneto-resistive travel sensor. Accuracy ≤ 0.5% of span (including linearity, dead band, hysteresis). Sensitivity ≤ 0.05% of span. Ambient Temperature -40° to 185°F (-40° to 85°C). Housing Rating NEMA 4X (IP66/67) for weatherproof, watertight, and corrosion-resistant protection. Intrinsic Safety Yes, approved for use in hazardous areas (e.g., FM/CSA: Class I, Div. 1, Groups A, B, C, D). Diagnostics In-built performance and diagnostics (e.g., valve signature, step response, travel accumulation, alarm reporting).

Technical Specifications Category Specification Model Type 3660 Type Pneumatic Force-Balance Level Transmitter (Displacer-Type) Measurement Principle Buoyancy (Archimedes' Principle) Output Signal 3 to 15 psig (0.2 to 1.0 bar) Supply Air Pressure 20 psig (1.4 bar) minimum, 35 psig (2.4 bar) maximum. A clean, dry air supply is required. Air Consumption Approximately 0.5 SCFM (14 standard liters per minute) at maximum output. Span Adjustment Field-adjustable, typically covering a wide range of buoyancy forces (e.g., corresponding to 5 to 50 inches of water column). Accuracy Typically ±0.5% of span. Repeatability Typically ±0.1% of span. Displacer Sizes Available in various lengths and diameters to match the specific gravity of the process liquid and the required measurement span. Process Connections Standard: 2-inch NPT. Flanged options are also available (e.g., 150# RF, 300# RF). Materials of Construction Body/Bonnet: Epoxy-coated Cast Iron or Ductile Iron. Internals & Displacer: 316 Stainless Steel standard; other materials like Monel, Hastelloy available for corrosive services. Ambient Temperature Limit -20° to +150°F (-29° to +66°C) Process Temperature Limit Up to +750°F (+399°C) with an extended bonnet and high-temperature seals. Approvals Intrinsically Safe for Class I, Division 1, Groups B, C, D hazardous locations (FM, CSA).

Technical Specifications Category Specification Model Type 846 Type Self-Operated Differential Pressure Regulator Function To maintain a constant differential pressure across a circuit or device. Power Source Self-Operated (Uses energy from the process fluid) Body Style Globe Valve Body Orifice Sizes Available in various sizes to match specific flow capacity (Cv) requirements. End Connections Screwed (NPT) or Flanged Body Materials Cast Iron (standard), Bronze, Ductile Iron, Cast Steel. Trim Materials Stainless Steel (standard). Diaphragm Material Buna-N (standard), EPDM, Viton available. Differential Pressure Set Point Range Field adjustable. Common ranges include 3 to 30 psig (0.2 to 2.1 bar) or 5 to 50 psig (0.3 to 3.4 bar). The specific range is determined by the spring installed. Maximum Inlet Pressure Typically 400 psig (28 bar) for a standard cast iron body. Temperature Range Standard with Buna-N diaphragm: -20°F to +180°F (-29°C to +82°C).

Technical Specifications Category Specification Model 657-70 Type Pneumatic Spring-and-Diaphragm Linear Actuator Action Spring-Return (Single-Acting) Air Connection 1/4" NPT Bench Setting (Approx.) The "-70" suffix typically corresponds to a spring range where the actuator begins to move at around 6 psig and reaches full travel at approximately 15 psig. (Note: This is a common interpretation; the exact start/finish pressures should be verified.) Standard Stroke Available in various strokes (e.g., 3/4", 1-1/2", 2-1/2", 3-1/2"). The specific stroke is defined by the full model number. Spring Rate Defined by the "-70" code, providing a specific thrust output. Diaphragm Material Nitrile (Buna-N) is standard. Yoke Material Cast Iron (standard) Temperature Limits Standard: -20°F to +180°F (-29°C to +82°C).

Technical Specifications Category Specification Model 667-45 Type Pneumatic Spring-Return Scotch-Yoke Rotary Actuator Action Spring-Return (Single-Acting) Travel 90 degrees standard. Spring Code -45 (This defines the spring range and torque output). Air Signal / Supply Pressure The "-45" code corresponds to a specific air pressure range required to stroke the actuator against the spring force (e.g., a common range for a -45 spring might be 45-70 psig). The exact start/finish pressures must be confirmed from the torque chart. Torque Output The torque is proportional to air pressure and is defined by the spring code and actuator size. The 667 series provides high torque outputs suitable for larger valves. Air Connections 1/2" NPT standard. Mounting Standardized mounting to Fisher and other manufacturers' rotary valves via a drive shaft and coupling. Yoke Material Cast Iron or Coated Cast Iron for corrosion resistance. Spring Housing Material Cast Iron. Temperature Limits Standard: -20°F to +150°F (-29°C to +66°C).

Technical Specifications Category Specification Model 667-40 Type Pneumatic Spring-Return Scotch-Yoke Rotary Actuator Action Spring-Return (Single-Acting) Travel 90 degrees standard. Spring Code -40 (This defines the spring range and torque output). Air Signal / Supply Pressure The "-40" code corresponds to a specific air pressure range required to stroke the actuator against the spring force. For a -40 spring, this is typically in the range of 20-45 psig. The exact start and end pressures must be confirmed from the official Fisher torque chart. Torque Output The torque is proportional to air pressure and is defined by the spring code and actuator size. The 667 series provides high torque outputs suitable for larger valves. Air Connections 1/2" NPT standard. Mounting Standardized mounting to Fisher and other manufacturers' rotary valves via a drive shaft and coupling. Yoke Material Cast Iron or Coated Cast Iron for corrosion resistance. Spring Housing Material Cast Iron. Temperature Limits Standard: -20°F to +150°F (-29°C to +66°C).

Technical Specifications Category Specification Model 657-40 Type Pneumatic Spring-and-Diaphragm Linear Actuator Action Spring-Return (Single-Acting) Spring Code -40 Bench Setting The "-40" code corresponds to a specific air pressure range. A typical bench setting for a -40 spring is 3-15 psig, meaning the actuator starts moving at ~3 psig and reaches full travel at 15 psig. Standard Stroke Available in various strokes (e.g., 3/4", 1-1/2", 2-1/2"). The specific stroke is defined by the full model number. Thrust Output The thrust is determined by the diaphragm size and the air pressure. The 657 series provides a range of thrust outputs for different valve sizes. Air Connection 1/4" NPT Diaphragm Material Nitrile (Buna-N) is standard. Yoke Material Cast Iron (standard) Temperature Limits Standard: -20°F to +180°F (-29°C to +82°C).