Technical Parameters。 Category Parameter Specification / Description General Model Series 377 Type Pilot-Operated Pressure Reducing Regulator Valve Style Balanced, Single-Port, Semi-Soft Seated Pressure Ratings Body Rating (ANSI) ANSI Class 150, 300, 400, 600, 900 (depending on body size and material) Max. Inlet Pressure (P1) Up to 1440 psig (100 bar) for certain sizes and classes. Outlet Pressure Range (P2) Adjustable via pilot spring. Wide range, from a few psig to over 1000 psig, depending on the pilot and spring. Flow & Sizing Flow Capacity (Cv) Ranges from approximately 30 to over 1000+ depending on the valve size (e.g., 1", 2", 3", 4", 6", 8"). End Connections Flanged (RF, RTJ) according to ANSI standards. Temperature & Materials Process Fluid Temp. Standard: -20°F to 150°F (-29°C to 66°C). Extended ranges with different seals/materials. Body Materials Carbon Steel (Standard), Ductile Iron, Stainless Steel. Trim Materials Stainless Steel Trim. Semi-Soft Seat (e.g., TFE, Nylon, Kel-F). Pilots & Options Standard Pilot 377 Pilot (Reducing Pilot) - senses downstream pressure. Common Options • Monitor Pilot: For overpressure protection. • SLM (Slow Opening) Pilot: For safe start-up. • Relief Pilots: To act as a backpressure regulator.

Technical Parameters 以下参数基于费希尔的官方数据表。 Category Parameter Specification / Description General Model 67DFR Type Pilot-Operated, Relief / Backpressure Regulator with Digital Controller Product Line FIELDVUE Input & Control Input Signal 4 to 20 mA DC, two-wire (Standard HART protocol) Supply Pressure (Max) For Regulator Body: 400 psig (27.6 bar) Setpoint Range 3 to 115 psig (0.2 to 7.9 bar) - Adjustable within the unit's limits Performance Relief Pressure Range 0 to 100 psig (0 to 6.9 bar) Flow Capacity (Cv) Vent Capacity: Specific Cv depends on the internal pilot and orifice sizing. Accuracy ±0.5% of span (typical) Stability (Drift) Less than ±0.25% of span per month Environmental Ambient Temperature Standard Electronics: -20°F to 175°F (-29°C to 80°C) Enclosure Rating Type 4X, 6 (IP66/67); Dust-tight and protected against water. Material Body: Aluminum Trim: Stainless Steel Hazardous Area Certifications FM/CSA: Explosion-proof & Intrinsically Safe (Class I, Div. 1, Groups A, B, C, D) ATEX/IECEx: Ex db, Ex ia [ia] (Zone 1) Physical Process Connection 1/4" or 1/2" NPT (Internal) - Specific size is part of the model code Vent Connection 1/4" or 1/2" NPT (Internal) Weight Approximately 4.1 kg (9 lbs)

Technical Parameters Category Parameter Specification / Description General Model Series 4210 Type Rotary Vee-Ball Control Valve Flow Characteristic Near Equal Percentage Pressure & Temperature Pressure Rating (ANSI) ANSI Class 150 & 300 Max. Working Pressure Up to 740 psig (51 bar) for Class 300. Temperature Range Standard Seat: -20°F to 400°F (-29°C to 204°C) High-Temp Seat: Up to 500°F (260°C) Flow & Sizing Valve Sizes 1" to 12" (DN 25 to DN 300) Flow Capacity (Cv) Ranges from ~50 (for 1") to over 4000 (for 12") depending on port degree (e.g., 60°, 90°). End Connections Flanged (RF, RTJ) or Buttweld (for larger sizes) Materials & Construction Body Materials Carbon Steel (WCB), Stainless Steel (CF8M), Alloy 20, Duplex Stainless Steel. Ball Material Typically Stainless Steel with various hard coatings (e.g., Stellite, Chrome Carbide) for abrasion resistance. Seat Material Flexible, Reinforced TFE (Standard for bubble-tight shut-off). Metal seats available for high temperatures. Actuator Mounting Designed for Fisher 1055/1061/1070 series pneumatic actuators or other rotary actuators. Package Options Often sold as a complete package (e.g., 4210-EM0) with actuator and positioner.

Technical Parameters Category Parameter Specification / Description General Model Series 252 Type Direct-Operated Pressure Reducing Regulator Pressure Ratings Maximum Inlet Pressure (P1) 150 psig (10.3 bar) for standard models. Outlet Pressure Range (P2) Adjustable: Commonly from 3" w.c. to 15 psig (0.75 kPa to 1.0 bar). Specific range is defined by the spring inside the regulator. Pressure Rating 150 psig (10.3 bar) Body Rating. Flow & Capacity Flow Capacity (Cv) Low, typically around 0.02 to 0.04 depending on the orifice size. Designed for small flows. End Connections 1/4" NPT or 1/2" NPT (Internal Pipe Thread) - Specified by the model suffix. Materials & Environment Body Material Aluminum Internal Parts Stainless Steel, Brass Seat Material Elastomer (e.g., Buna-N) or other materials for tight shut-off. Ambient Temperature Standard: -20°F to 150°F (-29°C to 66°C)

Technical Parameters Category Parameter Specification / Description General Model 249B Type Pilot-Operated Backpressure Relief Regulator Pressure & Capacity Body Pressure Rating (ANSI) ANSI Class 150, 300, 600 Max. Inlet Pressure (P1) Up to 1440 psig (99 bar) for Class 600 bodies. Setpoint Pressure Range Wide range, adjustable via the pilot spring. Common ranges from 30 to 1200 psig (2 to 83 bar). Flow Capacity (Cv) Very High. Ranges from ~50 to over 2000+, depending on the main valve size (e.g., 1", 2", 3", 4", 6", 8"). Construction & Materials Body Materials Carbon Steel (Standard), Stainless Steel, Other Alloys. Trim Materials Stainless Steel. Main Valve Seat Metal-to-metal for durability, or soft seat for tighter shut-off. Pilot Valve 249B Pilot (Relief Pilot) - senses upstream pressure. Connections & Environment Inlet/Outlet Connections Flanged (RF, RTJ) per ANSI standards. Vent Connection Flanged or threaded. Ambient Temperature Standard: -20°F to 150°F (-29°C to 66°C).

Technical Parameters Category Parameter Specification / Description General Model Series 646 Type Pilot-Operated Pressure Reducing Regulator Pressure Ratings Body Rating (ANSI) ANSI Class 150, 300, 400, 600, 900 Maximum Inlet Pressure (P1) Up to 1440 psig (99 bar) for certain sizes and classes. Outlet Pressure Range (P2) Wide range, adjustable via the pilot spring. Common ranges from 5 to 500 psig (0.3 to 34 bar) or higher. Flow & Sizing Flow Capacity (Cv) Very High. Ranges from ~30 to over 1000+, depending on the valve size (e.g., 1", 2", 3", 4", 6", 8"). End Connections Flanged (RF, RTJ) according to ANSI standards. Materials & Construction Body Materials Carbon Steel (Standard), Ductile Iron, Stainless Steel. Trim Materials Stainless Steel. Seat Ring Metal-to-metal for durability. Pilots & Options Standard Pilot 646 Pilot (Reducing Pilot) - senses downstream pressure. Common Options • Monitor Pilot: For overpressure protection. • SLM (Slow Opening) Pilot: For safe start-up. • Relief Pilots: To act as a backpressure regulator.

Technical Parameters Category Parameter Specification / Description General Model 3610J Type Pneumatic Force-Balance Positioner Input & Output Input Signal 3 to 15 psi (0.2 to 1.0 bar) Supply Pressure Up to 100 psig (6.9 bar) Output Pressure Can approach supply pressure (e.g., up to 100 psig). Performance Linearity ±1% of span Hysteresis Less than 0.4% of span Air Consumption At Steady State: ~0.15 SCFM (4.2 NLPM) During Stroking: ~2.0 SCFM (56.6 NLPM) Stroke Lengths Adjustable for various strokes (e.g., 3/4" to 4" for linear valves). Environmental Ambient Temperature -40°F to 175°F (-40°C to 80°C) Enclosure Rating Type 4X, 7, 9 (NEMA 4X, 7, 9); Weatherproof, dust-tight, and certified for hazardous locations. Hazardous Area Certifications FM/CSA: Explosion-proof (Class I, Div. 1, Groups B, C, D; Class II, Div. 1, Groups E, F, G). Physical Housing Material Aluminum with corrosion-resistant coating. Weight Approximately 12.5 lbs (5.7 kg)

Technical Parameters Category Parameter Specification / Description General Base Model DVC6205 Output Module 6215HC (High-Capacity) Product Family FIELDVUE Primary Protocol HART Input & Control Input Signal 4 to 20 mA DC, two-wire Supply Pressure Up to 150 psig (10.3 bar) Performance (HC Output) Output Capacity Supply/Exhaust Flow: Up to 160 SCFM (4531 NLPM). This is the key differentiator, significantly higher than standard models. Steady-State Air Consumption ~0.04 SCFM (1.1 NLPM) Linearity ±0.5% of span (default) Hysteresis Less than 0.3% of span Environmental Ambient Temperature -40°F to 185°F (-40°C to 85°C) Enclosure Rating Type 4X, 6 (IP66/67); Dust-tight and protected against water. Hazardous Area Certifications FM/CSA: Explosion-proof, Intrinsically Safe (Class I, II, III, Div. 1 & 2) ATEX/IECEx: Ex db, Ex tb, Ex ia [ia] (Zone 1 & 21) Physical Conduit Openings Two 1/2" NPT Pneumatic Connections Supply & Output: 1/2" NPT or 3/4" NPT (for high flow)

Technical Parameters Category Parameter Specification / Description General Model 167DA Type Direct-Acting Spring-Diaphragm Actuator Diaphragm Diameter 167 mm (7 inches) Performance Spring Range Defined by the suffix (e.g., -13). Common standard ranges include 3-15 psi (0.2-1.0 bar) and 6-30 psi (0.4-2.1 bar). Many other ranges are available. Strokes Available Multiple standard strokes are available (e.g., 25 mm, 38 mm, 50 mm, 75 mm, 100 mm). Thrust Output Approximate Thrust (lbs) at different air pressures: At 20 psi (1.4 bar): ~2,100 lbs (Downward) At 30 psi (2.1 bar): ~2,900 lbs (Downward) At 60 psi (4.1 bar): ~5,400 lbs (Downward) Note: Upward (spring) thrust is constant for a given spring range and stroke. Exact values require Fisher's actuator thrust tables. Physical & Environmental Diaphragm Case Material Cast Iron or Ductile Iron with corrosion-resistant coating. Spring Material Music wire with protective coating. Yoke Material Cast Iron or Ductile Iron. Standard Temperature For springs: -20°F to 150°F (-29°C to 66°C). Higher temperature springs are available. Mounting Designed to mount to Fisher 585C series globe valve bodies and other compatible valves via standardized mounting pads.

Technical Parameters Category Parameter Specification / Description General Valve Series EZ Valve Size NPS 1½" (DN 40) Valve Style Single-Port, Top-Entry or Split-Body. Balanced or Unbalanced Trim. Pressure & Temperature Pressure Rating (ANSI) ANSI Class 150, 300, 600, 900, 1500, 2500 (Depends on specific body ordered) Max. Allowable Pressure Up to 2500 psig (172 bar) for certain body ratings. Temperature Range Standard: -350°F to 1100°F (-212°C to 593°C). Wider ranges with special materials. Flow & Sizing Flow Capacity (Cv) Approximately 20 to 70+, depending on the specific trim size and type (e.g., characterized cage, micro-form trim). End Connections Flanged (RF, RTJ), Buttweld, or Socket Weld. Flow Characteristic Linear, Equal Percentage, or Quick Open (depends on trim). Materials & Construction Body Materials Carbon Steel (WCB), Stainless Steel (CF8M), Alloy 20, Duplex Stainless Steel, and other alloys. Trim Materials Standard Trim: Stainless Steel. Severe Service Trim: Hardened Stainless Steel, Stellite, Tungsten Carbide for abrasion/cavitation resistance. Seat Leakage ANSI Class II, IV, V, or VI (depending on trim selection). Actuator Mounting Designed to be paired with Fisher pneumatic diaphragm actuators (e.g., 1055/1061 series) or piston actuators.