Technical Parameters
Category Parameter Specification / Description
General Model 546NS
Type Pilot-Operated Nitrogen Sealing Regulator
Pressure Ratings Maximum Inlet Pressure (P1) 400 psig (27.6 bar)
Outlet Pressure Range (P2) Adjustable: Commonly from a very low 3" H₂O (0.75 kPa) up to 25 psig (1.7 bar) or higher, depending on the pilot spring.
Pressure Rating 400 psig (27.6 bar) Body Rating.
Flow & Capacity Flow Capacity (Cv) Low to Moderate, suitable for sealing/purge flow rates.
End Connections 1/4" NPT or 1/2" NPT (Internal Pipe Thread)
Performance Accuracy & Stability Very high, due to pilot-operated design. Minimal droop or creep.
Construction & Materials Body Material Aluminum
Internal Parts Stainless Steel, Brass
Pilot Filter Standard, 40 micron.
Diaphragm Material Nylon / Elastomer
Technical Parameters
Category Parameter Specification / Description
General Model 546S
Type Pilot-Operated Pressure Reducing Regulator (Steam)
Pressure & Temperature Body Pressure Rating (ANSI) ANSI Class 125, 150, 250, or 300 (depending on body size and order).
Maximum Inlet Pressure (P1) Varies with body class; can be up to 600 psig (41 bar) or higher for certain classes.
Outlet Pressure Range (P2) Wide range, adjustable via the pilot spring. Common ranges from 10 to 250 psig (0.7 to 17 bar).
Temperature Range Suitable for saturated and superheated steam temperatures.
Flow & Sizing Flow Capacity (Cv) High. Ranges from ~5 to over 200+, depending on the valve size (e.g., 1/2", 1", 2", 3").
End Connections Flanged (RF, RTJ) or Screwed (NPT).
Construction & Materials Body Materials Cast Steel (WCB) as standard for steam service.
Trim Materials Stainless Steel.
Pilot Valve 546 Pilot configured for steam service.
Options Pilot Options May include a strainer to protect the pilot from pipeline scale and debris, which is crucial in steam systems.
Technical Parameters
Category Parameter Specification / Description
General Model DVC6010
Type Digital Valve Controller (Single-Action)
Product Family FIELDVUE
Primary Protocol HART
Input & Output Input Signal 4 to 20 mA DC, two-wire
Supply Pressure Up to 150 psig (10.3 bar)
Output Action Single-Action (One output port for spring-return actuators)
Performance Linearity ±0.5% of span
Hysteresis Less than 0.4% of span
Air Consumption Steady State: ~0.04 SCFM (1.1 NLPM)
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: 1/4" NPT
Technical Parameters
Category Parameter Specification / Description
General Model Series 4221 (within ET Family)
Type Top-Guided Globe Valve
Flow Characteristic Linear, Equal Percentage, or Quick Open (depends on trim).
Pressure & Temperature Pressure Rating (ANSI) ANSI Class 150, 300, 600
Max. Allowable Pressure Up to 1480 psig (102 bar) for Class 600.
Temperature Range Standard: -350°F to 1100°F (-212°C to 593°C). Depends on body/trim materials and seals.
Flow & Sizing Valve Sizes 1/2" to 6" (DN 15 to DN 150)
Flow Capacity (Cv) Ranges from ~1 (for 1/2") to ~200 (for 6"), depending on trim size.
End Connections Flanged (RF, RTJ), Buttweld, or Socket Weld.
Materials & Construction Body Materials Alloy 20 (CN7M) is a very common standard material for the 4221, providing excellent corrosion resistance. Also available in 316 Stainless Steel (CF8M), Hastelloy, Duplex Stainless Steel, and others.
Trim Materials Standard Trim: Stainless Steel.
Severe Service Trim: Hardened alloys, Stellite, Ceramics.
Seat Leakage ANSI Class II, IV, V, or VI (depending on trim selection).
Actuator Mounting Designed for Fisher 1055/1061/1070 series pneumatic diaphragm actuators or other linear actuators.
Technical Parameters
Category Parameter Specification / Description
General Model Series 4211 (within ET Family)
Type Top-Guided Globe Valve
Flow Characteristic Linear, Equal Percentage, or Quick Open (depends on trim).
Pressure & Temperature Pressure Rating (ANSI) ANSI Class 150, 300, 600
Max. Allowable Pressure Up to 1480 psig (102 bar) for Class 600.
Temperature Range Standard: -350°F to 1100°F (-212°C to 593°C). Depends on body/trim materials and seals.
Flow & Sizing Valve Sizes 1/2" to 6" (DN 15 to DN 150)
Flow Capacity (Cv) Ranges from ~1 (for 1/2") to ~200 (for 6"), depending on trim size.
End Connections Flanged (RF, RTJ), Buttweld, or Socket Weld.
Materials & Construction Body Materials Carbon Steel (WCB) is the most common standard material. Also available in Stainless Steel (CF8M) and other alloys.
Trim Materials Standard Trim: Stainless Steel.
Severe Service Trim: Available for anti-cavitation, noise reduction, etc.
Seat Leakage ANSI Class II, IV, V, or VI (depending on trim selection).
Actuator Mounting Designed for Fisher 1055/1061/1070 series pneumatic diaphragm actuators or other linear actuators.
Technical Parameters
Category Parameter Specification / Description
General Model C1
Type Globe Valve, Weir Diaphragm Actuated
Body Material Polypropylene (PP) or PVDF
Pressure & Temperature Pressure Rating Depends on size and material. PP: Up to 150 psig (10.3 bar) at 68°F (20°C). PVDF: Up to 125 psig (8.6 bar) at 68°F (20°C). Pressure rating decreases with temperature.
Temperature Range PP: -0°F to 180°F (-18°C to 82°C)
PVDF: -10°F to 280°F (-23°C to 138°C)
Flow & Sizing Valve Sizes 1/2" to 3" (DN 15 to DN 80)
Flow Capacity (Cv) Low to moderate, suitable for chemical dosing and control.
End Connections Flanged (ANSI, DIN) or Threaded (NPT)
Actuator Actuator Type Pneumatic Diaphragm Actuator (Spring-Return)
Technical Parameters
Category Parameter Specification / Description
General Model FS-67CFR-239
Type Digital Pressure Reducing Regulator
Product Line FIELDVUE
Primary Protocol HART
Input & Control Input Signal 4 to 20 mA DC, two-wire
Supply Pressure (Max) 400 psig (27.6 bar)
Setpoint Range (P2) Defined by "-239" code. This typically indicates a specific range, commonly 3 to 115 psig (0.2 to 7.9 bar).
Performance Output Pressure Range 0 to 100 psig (0 to 6.9 bar) - Limited by supply pressure and internal components.
Accuracy ±0.5% of span (typical)
Supply Pressure Effect ±0.2 psig for a 50 psig supply change
Flow Capacity (Cv) Specific to the "-239" configuration. Likely a standard capacity for general instrument air applications.
Environmental Ambient Temperature -40°F to 175°F (-40°C to 80°C)
Enclosure Rating Type 4X, 6 (IP66/67)
Hazardous Area Certifications FM/CSA & ATEX/IECEx: Explosion-proof & Intrinsically Safe
Technical Parameters
Category Parameter Specification / Description
General Model FS-67CFR-225
Type Digital Pressure Reducing Regulator
Product Line FIELDVUE
Primary Protocol HART
Input & Control Input Signal 4 to 20 mA DC, two-wire
Supply Pressure (Max) 400 psig (27.6 bar)
Setpoint Range (P2) Defined by "-225" code. This typically indicates a lower range, commonly 3 to 60 psig (0.2 to 4.1 bar).
Performance Output Pressure Range 0 to 60 psig (0 to 4.1 bar) - *This is the key difference from the -239 model.*
Accuracy ±0.5% of span (typical)
Supply Pressure Effect ±0.2 psig for a 50 psig supply change
Flow Capacity (Cv) Specific to the "-225" configuration. Likely similar to the -239 model.
Environmental Ambient Temperature -40°F to 175°F (-40°C to 80°C)
Enclosure Rating Type 4X, 6 (IP66/67)
Hazardous Area Certifications FM/CSA & ATEX/IECEx: Explosion-proof & Intrinsically Safe
Technical Parameters
Category Parameter Specification / Description
General Model 67CF-1663-385127
Type Digital Pressure Reducing Regulator
Product Line FIELDVUE
Primary Protocol HART
Input & Control Input Signal 4 to 20 mA DC, two-wire
Supply Pressure (Max) 400 psig (27.6 bar)
Setpoint Range (P2) Defined by the configuration. The "1663" code suggests a specific range, likely covering a common span like 3-60 psig or 3-115 psig.
Performance Output Pressure Range 0 to 100 psig (0 to 6.9 bar)
Accuracy ±0.5% of span (typical)
Supply Pressure Effect ±0.2 psig for a 50 psig supply change
Flow Capacity (Cv) Defined by the "1663" configuration.
Environmental Ambient Temperature -40°F to 175°F (-40°C to 80°C)
Enclosure Rating Type 4X, 6 (IP66/67)
Hazardous Area Certifications FM/CSA & ATEX/IECEx: Explosion-proof & Intrinsically Safe
Technical Parameters
Category Parameter Specification / Description
General Model 67CF-1663-38501
Type Digital Pressure Reducing Regulator
Product Line FIELDVUE
Primary Protocol HART
Input & Control Input Signal 4 to 20 mA DC, two-wire
Supply Pressure (Max) 400 psig (27.6 bar)
Setpoint Range (P2) Defined by the "1663" configuration. This code typically corresponds to a specific range, likely covering a common span like 3-60 psig or 3-115 psig.
Performance Output Pressure Range 0 to 100 psig (0 to 6.9 bar)
Accuracy ±0.5% of span (typical)
Supply Pressure Effect ±0.2 psig for a 50 psig supply change
Flow Capacity (Cv) Defined by the "1663" configuration.
Environmental Ambient Temperature -40°F to 175°F (-40°C to 80°C)
Enclosure Rating Type 4X, 6 (IP66/67)
Hazardous Area Certifications FM/CSA & ATEX/IECEx: Explosion-proof & Intrinsically Safe