Gate Valves
THRU CONDUIT SLAB & EXPANDING GATE VALVES
FULL-BORE FLOW / SECURE SHUTOFFFull-bore isolation valves designed for dependable on-off service in pipeline systems. Slab gate models use travel-position seating, while expanding gate models use torque seating to provide secure shutoff across demanding oil and gas applications.
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Highlights
- Sizes 2″ to 42″
- ANSI Class 150 to 1500
- API 6D design and testing
- Slab and expanding gate configurations
- Full-bore flow path
- Secondary seat sealant injection
- ISO mounting plate for manual or automated operation
- Flanged or butt-weld end connections
Application
- Natural gas transmission
- Crude oil and refined products
- Pipeline transportation systems
- Storage and terminal facilities
- Midstream processing
- Upstream and downstream isolation
GEOTHERMAL GATE VALVES
FULL-BORE FLOW / EXTREME ENVIROMENTSPurpose-built thru conduit and wedge gate valves engineered for high-temperature geothermal service. Specialized materials resist process impurities, corrosive gases, and silica scaling while maintaining dependable isolation with minimal pressure loss.
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Highlights
- Sizes 4″ to 24″
- ANSI Class 150 to 900
- API 6D thru conduit gate designs
- API 600 wedge gate designs
- Slab and expanding gate configurations
- Proven operation above 700°F
- Materials selected for geothermal process fluids
- Designed to minimize pressure loss
Application
- Geothermal production wells
- Steam and brine processing
- Injection wells
- Dry steam plants
- Flash steam plants
- Binary-cycle power plants
COMPACT SLAB & EXPANDING GATE VALVES
FULL-BORE FLOW / REDUCED FOOTPRINTCompact thru conduit gate valves designed to provide full-bore pipeline isolation within a reduced installation footprint. Slab and expanding configurations support application-specific shutoff requirements while maintaining API 6D design principles.
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Highlights
- Sizes 12″ to 48″
- ANSI Class 150
- API 6D design
- Compact slab and expanding configurations
- Full-bore flow path
- Reduced installation footprint
- Manual or automated operation
- Available in application-specific materials
Application
- Large-diameter pipelines
- Installations with limited space
- Pipeline stations and terminals
- Crude oil and natural gas service
- Midstream gathering systems
- Full-bore isolation service
API 6A THRU CONDUIT SLAB & EXPANDING GATE VALVE
HIGH-PRESSURE SERVICE / FULL-BORE FLOWHigh-pressure thru conduit gate valves designed for upstream and wellhead service. Slab and expanding gate configurations provide full-bore isolation for severe operating environments requiring API 6A design and pressure capability.
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Highlights
- Sizes 9″, 11″, and 13-5/8″
- Pressure ratings 2,000, 3,000, and 5,000 PSI
- API 6A design
- Slab and expanding gate configurations
- Full-bore flow path
- High-pressure isolation capability
- Manual or automated operation
- Application-specific trim and material options
Application
- Wellhead systems
- Upstream production facilities
- Christmas tree equipment
- Oil and gas gathering systems
- High-pressure flowlines
- Production and injection service
THROUGH-CONDUIT GATE VALVE
FULL-BORE FLOW / LOW PRESSURE DROP
Through-conduit gate valve designed for unrestricted flow and reliable shutoff in oil and gas production systems. Built for durability in corrosive and erosive environments, it ensures consistent sealing performance. Ideal for applications requiring full-bore flow and minimal pressure loss.
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Highlights
- Through-conduit, unrestricted bore; full-floating “T” nut seals positive at pressures as low as 50 psi
- One- to six-inch sizes; threaded or ANSI 600-1500 flanged connections
- ASTM A487 steel or nickel aluminum bronze body/bonnet
- Fully field-serviceable inline without body removal from the line
- Gas testing available; NACE MR0175 compliance available on request
Application
- Waterflood and CO2 gas injection operations
- Enhanced oil recovery production flow lines
- Standard water, oil, and gas production line service
- Wellhead and flow line applications in corrosive/erosive environments
DIAPHRAGM-ACTUATED GATE VALVE
AUTOMATIC SHUTOFF / FAIL-SAFE OPERATION
Diaphragm-actuated gate valve designed for automatic shutoff in critical wellhead and flowline applications. Built for reliability and simplified operation, it provides consistent fail-open or fail-closed performance. Ideal for systems requiring dependable safety and control.
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Highlights
- All-in-one safety valve design minimizes safety system cost and complexity
- Bi-directional, reduced-port design; positive fail-open or fail-close operation
- Pneumatically actuated with optional mechanical override
- Threaded or flanged connections; API 5000 or ANSI 1500 pressure rating
- Durable seal construction for long service; simplified maintenance design
Application
Wellhead wing valve and shutdown service
Casing relief and blowdown systems
Gas lift and dump valve applications
Surface safety systems requiring automatic fail-safe operation
CAST STEEL GATE VALVES
HIGH PRESSURE SERVICE / API COMPLIANTCast steel gate, globe, and check valves manufactured to API 600 and 603 and tested to API 598. Gate valves use an outside screw and yoke with a flexible wedge, globe valves a conical plug disc for throttling, and swing checks a pressure drop closure. A broad material range covers carbon, alloy and stainless steel with stellite-overlaid trim.
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Highlights
- API 600 and 603, ASME B16.34, tested to API 598
- Gate, globe, and swing check patterns
- ASME Class 150 to 1500
- Outside screw and yoke, rising stem
- Flexible wedge gate, conical plug globe disc
- WCB, LCC, WC6, WC9, C5, C12, and CF8M bodies
- 13CR, 316SS, and stellite trim options
- RF flanged, RTJ, or buttweld ends, NACE option
Application
- Stop and isolation service (gate)
- Throttling and control service (globe)
- Backflow prevention (swing check)
- Steam and high-temperature lines
- Slurries and viscous fluids
- Refinery and pipeline installations
Cast Steel Gate Valves
HIGH PRESSURE SERVICE / API COMPLIANT
Bolted bonnet cast steel valves built for demanding service in oil and gas and industrial systems. Manufactured to API standards with low-emission packing, they provide long-term sealing performance and reliability. Designed for high-pressure and high-temperature applications.
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Highlights
- Gate, globe, and swing check configurations in sizes 2″ to 12″, Class 150–600
- Designed to API 600 (gate), API 623 and BS 1873 (globe), and API 594 (swing check)
- Full NACE MR0103 and MR0175/ISO 15156 compliance standard on all models
- Low-emission packing per API 622; fugitive emissions tested per API 624 to under 100 ppm
- Stellite 6 faced seating surfaces for superior wear and corrosion resistance
- Production tested and inspected per API 598; independent final QC inspection standard
- Available with handwheel, gear operator, or bare stem configurations
Application
- Isolation, regulation, and backflow prevention on oil and gas production and gathering pipelines
- Refinery and petrochemical process piping requiring low-emission valve performance
- Sour service and corrosive environments requiring NACE-compliant materials
- Industrial process facilities requiring API-certified gate, globe, and check valve solutions
FORGED STEEL GATE VALVES
SMALL BORE / API COMPLIANTForged steel gate, globe, and check valves manufactured to API 602 and ASME B16.34. Bolted bonnet, welded bonnet, and pressure seal bonnet constructions are available in full or reduced port with an outside screw and yoke. Forged carbon, alloy, and stainless bodies suit compact, high-integrity small-bore service.
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Highlights
- API 602 and ASME B16.34
- Gate, globe, swing, piston, and ball check patterns
- ASME Class 150 to 2500
- Bolted, welded, or pressure seal bonnet
- Full and reduced port, outside screw and yoke
- A105N, LF2, F11, F22, F5, F9, and F316 bodies
- 13CR, 316SS, and stellite trim options
- Threaded, socket weld, buttweld, RF, or RTJ ends
Application
- Small-bore stop and isolation service
- Throttling and control (globe)
- Backflow prevention (check)
- Steam, condensate, and instrument lines
- High-pressure and sour (NACE) service
- Refinery and process piping
PRESSURE SEAL GATE VALVES
HIGH PRESSURE SERVICE / HIGH TEMP SERVICEPressure seal gate, globe, and check valves built for high-pressure, high-temperature service. The pressure seal bonnet tightens as internal pressure rises, giving an efficient seal with weight savings and easier maintenance. The line covers gate, globe, swing check, tilting disc, piston, and stop check patterns to ASME B16.34.
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Highlights
- API 600 / ASME B16.34 pressure seal bonnet
- ASME Class 600 to 2500
- Gate, globe, swing, tilting disc, piston, and stop check
- Self-energizing pressure seal bonnet
- Efficient flow passage and sealing
- Stellite-overlaid seating surfaces
- Carbon, alloy, and stainless steel bodies
- RF flanged, RTJ, or buttweld ends
Application
- High-pressure, high-temperature service
- Thermal and steam power plants
- Nuclear steam generating stations
- Industrial and chemical plants
- Main steam and feedwater lines
- Critical isolation and check service
Brass Gate Valves
GENERAL PURPOSE / CORROSION RESISTANT
General-purpose brass valves designed for reliable flow control across a wide range of media. Corrosion-resistant construction ensures dependable performance in water, oil, gas, and light industrial applications. Ideal for compact installations where cost-effective durability is required.
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Highlights
- Ball, gate, and check valve configurations available in a single product family
- Sizes 1/4″ to 4″ with pressure ratings from 200 to 600 PSI NSCWP
- Threaded and grooved end connections available across valve types
- Highly resistant to corrosion across a wide range of process media
- Chrome-plated ball with PTFE seat and locking handle on ball valve models
- Quick-opening and standard gate valve designs available for different operational needs
- Check valve options include metal-seated, O-ring style threaded, and O-ring style grooved
Application
- General-purpose flow control and isolation on water, oil, and gas service
- Vacuum trucks, tank trucks, and well servicing vehicles
- Production facilities and light industrial piping systems
- Applications requiring a compact, economical, corrosion-resistant valve solution