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).

Technical Specifications Category Specification Model 657-34 Type Pneumatic Spring-and-Diaphragm Linear Actuator Action Spring-Return (Single-Acting) Spring Code -34 Bench Setting The "-34" code corresponds to a specific air pressure range. A typical bench setting for a -34 spring is 3-15 psig, meaning the actuator starts moving at a low pressure (e.g., ~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).

Parameters / Specifications Model: FISHER 657‑30 Actuator Type: Direct‑acting, spring‑oppose diaphragm actuator for sliding‑stem valve Actuation Mode: Spring return (fail‐safe) Signal Pressure Range: Typically 3–15 psig (0.2–1.0 bar) or 6–30 psig (0.4–2.0 bar) Effective Diaphragm Area (Size 30): Approx. 46 in² (≈297 cm²) Maximum Stem Travel (Size 30): Approx. 0.75 in (≈19 mm) Maximum Output Thrust (Size 30): Approx. 2,300 lb (≈10,230 N) Operating Temperature Range (Standard Construction with Nitrile Elastomers): Approx. –40 °F to +180 °F (≈ –40 °C to +82 °C) Construction Materials: Durable cast iron/steel body and spring case, molded diaphragm, corrosion‑resistant design Mounting: Integrated pad for digital positioner or valve controller attachment Approximate Weight (Actuator only, Size 30): ~36 lb (≈16 kg) Combined Valve Body/Actuator Usage: Size 30 suggests smaller valve body (e.g., 1.5″ flow size in some configurations)

Parameters / Specifications Model: Fisher 1052 Size 60 Actuation type: Spring‑return, rotary (diaphragm) Service: On/off or throttling for quarter‑turn valves Power source: Pneumatic Mounting adaptations: H and J styles available (for different shaft/coupling configurations) Output shaft diameters (H mounting) for size 60: 28.6 mm (1‑1/8 in) or 38.1 mm (1‑1/2 in) Torque limits (H mounting) for size 60: up to 10,680 in‑lb (~1,206 N·m) Mounting adaptation J coupling torque limits for size 60 vary by shaft diameter (up to ~12,000 in‑lb for certain keyed shafts) Actuator sizes: 60 is one of the larger sizes in the 1052 line (other sizes include 40, 70) Operating temperature: Standard temperature service (depending on elastomer/diaphragm materials) Features: Splined output shaft/lever linkage to minimize lost motion, adjustment via turnbuckle, optional travel stops, manual hand wheel option, mounting pad for positioner Control type: Compatible with on/off or throttling control, when used with a positioner or direct pneumatic signal Valve type compatibility: Ball valve, butterfly valve, eccentric plug valve, triple‑offset valve pproximate weight: Varies significantly depending on size and options; for size 60 actuation portion alone the weight is substantial (tens of pounds) Certifications/standards: Available with CE/PED, ATEX, CUTR options depending on variant Travel: Nominal 90° rotation for standard quarter-turn, with adjustable stops for less or more rotation depending on valve design Pressure/Diaphragm information: The factory‑set spring and diaphragm pressure determine closing/opening signal pressure; typical diaphragm casing pressures for size 60 are around 0 to ~3.8 bar (~0‑55 psig) depending on configuration

Technical Specifications Category Specification Fisher Part Number RGASKET X252 Description Spiral-Wound Gasket Gasket Type Spiral-Wound Primary Application Fisher Control Valve Bonnet Flange & Body Flange Connections Pressure Class Suitable for ANSI Class 150, 300, 600, or higher. The exact class is defined by the gasket dimensions. Metallic Winding Material 304 Stainless Steel (standard), 316 Stainless Steel, or other alloys. Filler Material Flexible Graphite (for high-temperature service) or PTFE (for chemical service). Inner & Outer Ring Typically Carbon Steel or Stainless Steel. Dimensions Defined by the "X252" code, specifying the precise Inside Diameter (ID) and Outside Diameter (OD).