Key Specifications / Parameters
Specification Detail
Valve Series / Model Fisher GX Control Valve & Actuator System
Valve Size NPS 1 (nominal 1‑inch)
Pressure Class / Rating ASME Class 300 (flanged body, sliding‑stem)
End Connections Raised‑face flanged per ASME B16.5 (for NPS 1, Class 300 builds)
Flow Characteristics Equal‑percentage or linear trim options
Shut‑off Capability Metal‑to‑metal seat standard (Class IV); optional upgrades (Class V) and soft‑seat (Class VI)
Body / Bonnet Materials Standard carbon steel or stainless steel; alloy materials available
Trim / Seat Options Metal‑hard faced, soft‑seat PTFE, low‑flow/micro‑flow trims
Service Conditions General service, corrosive service, low‑flow, noise/cavitation mitigation
Actuator & Accessories Multi‑spring pneumatic actuator integrated; digital valve controller optional
Face‑to‑Face / Size Range Size range includes NPS ½ through NPS 6; dimensions align with standards
Key Specifications / Parameters
Specification Detail
Valve Series / Model Fisher GX Control Valve & Actuator System
Actuator Size 750 (larger multi‑spring pneumatic actuator in the GX family)
Valve Body Sizes DN 15 to DN 150 (NPS ½ to NPS 6)
Pressure/Rating Up to ~51.7 bar (750 psig) for many GX versions (with proper actuator)
End Connections Flanged; EN: PN 10/16/25/40; ASME: Class 150/300
Flow Characteristics Equal percentage or linear; special trims for noise & cavitation
Shut‑off Capability Metal‐to‐metal seats standard (Class IV); optional Class V or soft‑seat Class VI
Materials of Construction Carbon steel, stainless steel, duplex/alloy options; full trim options
Service Conditions Supported General service, corrosive, low‑flow, cavitation/noise mitigation
Actuator Air Supply Typical 4.0‑6.0 bar (58‑87 psig); optional lower ranges supported
Maintenance / Features Replaceable trim, live‑loaded packing, large common parts across sizes
Key Specifications / Parameters
Specification Value / Description
Product Name & Series Fisher GX Control Valve, Actuator size 225
Valve Type Sliding‑stem globe style control valve with matched pneumatic diaphragm actuator
Actuator Size 225 (refers to the multi‑spring actuator model)
Flow Characteristics Equal‑percentage or linear trim options
Pressure Class / Rating Body pressure ratings follow GX series: up to ASME Class 300 / EN PN 25/40 (depending on body material and size)
Sizes / Port Diameters GX series covers a range: e.g., DN15 to DN150 / NPS ½ to NPS 6; the 225 actuator is typically used for smaller to mid‑sizes
Materials of Construction Body/bonnet options: carbon steel, stainless steel, duplex/alloy; trim selections include metal‑to‑metal or soft seat configurations
Actuator Supply / Ambient Pneumatic actuator air supply pressures typically 4.0 to 6.0 bar (58–87 psig) for full capabilities; ambient temperature down to –46 °C (‑50 °F) standard, optional down to –60 °C (‑76 °F)
Service Conditions General service (liquid/gas/vapor), corrosive service, low‑flow, noise/cavitation mitigation; modular trim availability
Installation / Connections Flanged, welded, or threaded ends (depending on size and standard)
Key Specifications / Parameters
Specification Detail
Valve Series Fisher GX Control Valve & Actuator System
Valve Body Size DN 25 (nominal ~25 mm / ~1″)
Pressure Ratings EN: PN 10 / 16 / 25 / 40 (flanged)
ASME: Class 150 / Class 300 (flanged)
End Connections Raised‑face flanged (EN 1092‑1 or ASME B16.5)
Flow Characteristics Equal‑percentage or linear trims
Shut‑off Classes Standard metal‑to‑metal: Class IV; optional upgrades: Class V or soft‑seat Class VI
Body/Bonnet Materials Options include carbon steel, stainless steel, duplex and alloy materials
Service Capabilities Liquids, gases, vapours; general service, corrosive service, low‑flow, noise/cavitation control
Actuator/Accessories Multi‑spring pneumatic actuator integrated; digital or analog positioner support
Face‑to‑Face Dimensions Compliant with EN 558‑1 for DN sizes and ANSI/ISA standards for ASME builds
Special Features Flow‑up standard, port‑guided or stem‑guided plug options, compact structure for small‑bore service
Key Specifications / Parameters
Specification Detail
Valve Series Fisher GX Control Valve & Actuator System
Valve Size DN 20 (nominal 20 mm)
Pressure Rating ANSI Class 150 (flanged connection rating)
End Connections Raised‑face flanged (standard for ANSI Class 150)
Flow Characteristics Equal‑percentage or linear trim options
Shut‑off Class Standard: metal‑to‑metal seats (Class IV); optional upgrades to Class V or Class VI depending on trim/materials
Body / Bonnet Materials Standard carbon steel or stainless steel; higher‑alloy materials available for corrosive service
Trim Options Metal‐hard face, soft‑seat PTFE, noise/cavitation/low‑flow trims
Service Conditions Supported General process service, corrosive media, low‑flow/cavitation mitigation
Actuator & Accessories Multi‑spring pneumatic actuator; digital or analog positioners available; integrated mounting
Key Specifications / Parameters
Valve Series: Fisher GX Control Valve & Actuator System
Valve Body Size: DN 50 (nominal 50 mm)
Pressure Rating: PN 40 (per EN standard) for body/flange construction. The GX series supports classes up to PN 40 in EN ratings.
End Connections: Flanged, raised face (EN 1092‑1) for the PN 40 version; butt‑weld or socket weld end variants may also exist in certain builds
Flow Characteristics: Equal‑percentage or linear trim selections available; special trims (micro‑flow, low‑flow, noise/cavitation control) optional
Shut‑off Class: Standard metal‑to‑metal seat = Class IV; optional upgrades to Class V (metal seat) or Class VI (soft seat)
Materials of Construction: Body/bonnet options include carbon steel, stainless steel and alloy materials; trim/seat options include metal‑hard faces or soft seats depending on service
Service Capabilities: General service (liquid, vapor, gas), corrosive service, low‑flow applications, noise/cavitation mitigation; standard live‑loaded packing; optional extension bonnets for high temperature or cryogenic service
Actuator/Accessory: GX actuator is a compact multi‑spring pneumatic type integrated with valve body; automated sizing so once body construction selected, actuator size is fixed; digital valve controller option (FIELDVUE) available
Face‑to‑Face / Dimensions: Compliant with EN/ISA/ANSI standards for face‑to‑face dimension; for DN 50 size the internal diameter and wall thickness correspond to ~Ø60.3 mm × 2.9/3.2 mm for butt‑weld ends in some variants
Flow direction: Typically “flow‑up” for standard trim but flow‑down and special trim variants are supported
Key Specifications / Parameters
Specification Detail
Valve Series Fisher GX Control Valve & Actuator System
Valve Size NPS ½ (nominal ½‑inch)
Pressure Rating ASME Class 150 and Class 300 for flanged end‑connections; international ratings also supported
End Connections Raised face flanged per ASME B16.5 or equivalent international standard
Flow Characteristics Equal‑percentage or linear; special trims for low‑flow or micro‑flow applications
Shut‑off Class Metal‑to‑metal seats: Class IV; optional Class V; soft‑seat option: Class VI
Body/Bonnet Material Options Carbon steel or stainless steel standard; alloy options available for corrosive service
Service Conditions Supported General service, corrosive service, low‑flow, noise/cavitation mitigation, small‑bore process control
Key Specifications / Parameters
Parameter Description / Value
Product Name & Series Fisher GX Control Valve & Actuator System
Valve Size NPS 1 (1‑inch nominal pipe size)
Valve Type Single‑port globe‑style, sliding‑stem control valve
Flow Direction Normally “flow‐up” (in standard trim) for many sizes
Flow Characteristics Equal‑percentage or linear trim options
Shut‑off Class Metal‑to‑metal seating standard (Class IV), optional Class V or PTFE soft seat for Class VI
Body Pressure Ratings For GX series: ASME Class 150 / Class 300 (for NPS sizes including 1)
End Connections Raised‑face flanged per ASME B16.5 (for NPS sizes)
Materials Standard: carbon steel or stainless steel body/bonnet. Alloy options available for corrosive service
Trim and Seat Options Metal‑to‐metal, soft‑seat PTFE, hard‑faced/stellite for erosive service
Special Features Balanced or unbalanced plug designs depending on size and pressure drop; actuator integrated; live‑loaded packing; optional bellows for tight stem sealing
Application Range Liquids, gases, vapors; general service, corrosive service, low‑flow, noise/cavitation control etc.
Valve Sizes (GX family) NPS ½, ¾, 1, 1½, 2, 3, 4, 6 (GX family covers this range)
Key Specifications / Parameters
Parameter Description / Value
Valve Size NPS ½ (nominal 0.5 inch)
Series / Variant “‑GX” (special trim or configuration of Fisher’s product line)
Valve Type Globe‑style, sliding‑stem control valve
Flow Characteristics Available in equal‑percentage, linear or quick‑opening trims
Shut‑off Class Up to ANSI/FCI Class IV or possibly Class V depending on trim
Materials Body, bonnet, trim material options: carbon steel, stainless steel, alloys (as per service)
Connection Types Flanged, threaded, or welded end‑connections depending on build
Operating Conditions Suitable for general service; small bore (½″) installation; pressure/temperature depend on rating
Application Small‑size process control: gases, liquids in chemical, oil/gas or utility service
Key Specifications / Parameters
Valve Type: Single‐port, globe‐style control valve with cage‐guiding and unbalanced plug (HPS version)
Flow Direction: Normally “flow up” in the HPS configuration (for linear or equal‑percentage trims)
Sizes (in certain configurations): NPS 1 to 3 for CL900 and CL1500; NPS 1 to 2 for CL2500 in HPS‑C specification
Pressure / Temperature Capability: According to the cryogenic version, the HPS‑C variant is rated from about ‑198 °C (‑325 °F) up to 316 °C (600 °F) in applicable materials
Seat Construction: Metal seats standard for HP series; tight shutoff capability (Class IV standard, optional Class V)
Flow Characteristics: Equal percentage, linear, or modified equal percentage depending on trim
Construction Materials: Body/bonnet and trim options for high‐pressure service; spiral‐wound gaskets standard; NACE compliant materials available
Applications: High‐pressure, high‐temperature, heavy‐industrial process control (refining, chemical, power)
Features: Rugged construction for full pressure‐drop capability; quick change trim; improved stem guiding for vibration/noise reduction