Control Valves
FUEL GAS CONTROL VALVE
PNEUMATIC OPERATION / PRODUCTION SYSTEMS
Pneumatically operated control valve designed for fuel gas regulation in oil and gas production environments. Built with ductile iron body and stainless steel trim for durability in corrosive service conditions. Features accessible internal components and flexible port configurations for simplified maintenance and installation.
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Highlights
- Trim accessible without removing valve from the line by loosening bonnet bolts
- Signal port orientation options: 11, 1, 5, and 7 o’clock positions
- Pressure monitoring body tap options: untapped, supply side, output side, or both
- 300 PSIG max inlet pressure rating; 0-30 PSIG recommended signal pressure
- Ductile iron body; stainless steel trim and stem; nitrile diaphragm; polyurethane seat
- Temperature range -20°F to 200°F (-29°C to 93°C)
Application
- Fuel gas control on low pressure separators and compression scrubbers
- Line heater fuel gas regulation
- Burner system fuel gas control
- Throttling or snap-action service in oil and gas production environments
BACK PRESSURE CONTROL VALVE
DIRECT-ACTING / STANDALONE OR PILOT
Direct-acting control valve designed for back pressure and pressure control applications. Capable of holding up to 250 PSIG back pressure as a standalone unit or operating with a pilot for snap or throttle control. Built with removable seat design and configurable materials for simplified maintenance and broad process compatibility.
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Highlights
- 300 PSIG max working pressure; 2″ NPT or 2″ 150RF end connections
- ANSI Class VI shutoff; NACE MR0175-compliant construction standard
- Removable valve seat for simplified field maintenance without line removal
- Direct-acting design holds up to 250 PSIG back pressure standalone; pilot-compatible for regulating service
- Full port and reduced port seat size options
- Buna-N, fluorocarbon, and HSN elastomer options
Application
- Back pressure control on separators and process vessels
- Snap or throttle regulating service when combined with a pressure pilot
- Gas gathering and compressor station pressure management
DIAPHRAGM-BALANCED CONTROL VALVE
BACK PRESSURE / STABLE REGULATION
Direct-acting, diaphragm-balanced control valve designed for back pressure and pressure regulation in production systems. Capable of holding up to 100 PSIG back pressure as a standalone unit or operating with a pilot for snap or throttle control. Built with removable seat design and NACE-compliant construction for reliable performance in oil and gas applications.
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Highlights
- Diaphragm-balanced design for stable operation across varying process pressures
- Direct-acting with 100 PSIG max back pressure standalone; pilot-compatible for regulating service
- Removable valve seat; ANSI Class VI shutoff; NACE MR0175-compliant construction standard
- 300 PSIG max working pressure; 2″ NPT or 2″ 150RF end connections
- Internal balance tubing connects upper and lower housing
- Buna-N, fluorocarbon, and HSN elastomer options
Application
- Lower-pressure back pressure control on separators and process equipment
- Snap or throttle regulating service when combined with a pressure pilot
- Liquid or gas control in corrosive oil and gas environments
HIGH PRESSURE CONTROL VALVE
PNEUMATIC OPERATION / SEVERE SERVICE
Pneumatically operated control valve designed for high-pressure applications in demanding production environments. Rated up to 4000 PSIG with NACE-compliant construction and hardened internal trim for durability in severe service conditions. Designed for in-line maintenance with accessible components and integrated safety features for pressurized systems.
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Highlights
- Actuator and trim serviceable without removing body from line; no special tools required
- Hammer nut weep hole provides pressure warning if disassembly is attempted under pressure
- 17-4PH stainless steel and tungsten carbide trim options for high-wear and abrasive service
- NACE MR0175-compliant construction standard; rated to 4000 PSIG body pressure
- No. 35 and No. 70 actuator options with 3-15 or 6-30 PSIG spring ranges
- Reverse acting and direct acting configurations; 1″ and 2″ body sizes in NPT and flange connections
- ANSI Class IV shutoff; temperature range -40°F to 200°F
Application
- Separators, scrubbers, and dehydrators requiring pneumatic liquid level dump control
- Liquid level control on wellheads and plunger lift systems
- High-pressure process equipment and production vessels
High Pressure Control Valve
PNEUMATIC OPERATION / GENERAL HIGH-PRESSURE SERVICE
Pneumatically operated control valve designed for high-pressure service across a wide range of industrial applications. Rated up to 4000 PSIG with configurable trim options for linear, equal percentage, and quick opening performance. Built with durable materials and open yoke design for reliable operation and visual position monitoring
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Highlights
- Field-reversible actuator switches between fail-close and fail-open with no additional parts
- Open yoke design provides visible stem position monitoring from any angle
- Trim options: equal percentage, linear, and quick opening in 17-4PH SST, tool steel, or tungsten carbide
- NACE MR0175-compliant construction available; rated to 4000 PSIG body pressure
- 45 PSIG max actuator pressure; 15, 20, and 30 PSIG spring options
- 1″ and 2″ body sizes; NPT and raised face flange connections to ANSI 1500
- ANSI Class IV shutoff; temperature range -40°F to 200°F
Application
- High-pressure dump valve service on production vessels and separators
- Pressure and flow control when paired with a pressure pilot
- Applications requiring NACE-compliant materials for sour gas or corrosive service
PISTON BALANCED CONTROL VALVE
HIGH FLOW / STABLE PRESSURE CONTROL
Piston-balanced control valve designed for high-pressure, high-flow applications requiring stable and precise control. Rated up to 4000 PSIG with cage-guided trim for consistent performance under elevated flow conditions. Built with configurable materials and seal options for durability in demanding and NACE-compliant service environments.
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Highlights
- Cage-guided piston-balanced trim for stable control at high pressure and high flow
- Field-reversible actuator switches between fail-close and fail-open with no additional parts
- 1-1/2″ and 2″ trim sizes in D2 tool steel (standard) or 17-4PH stainless steel (NACE)
- Seal ring options: HSN, AFLAS, and Teflon; O-ring options: Buna-N, fluorocarbon, HSN, AFLAS
- 4000 PSIG body rating; ANSI Class VI shutoff; 45 PSIG max actuator pressure
- Open yoke design for visible stem position monitoring; I/P positioner compatible
Application
- High-pressure, high-flow dump valve service on production vessels
- Pressure and flow control in high-pressure environments when paired with a pressure pilot
- Applications requiring sour gas service or NACE-compliant materials