Trunnion Ball Valve
Trunnion Ball Valve

Forged Trunnion Mounted Ball Valve Bolted Body
GWC USA manufactures a full line of API 6D Forged Trunnion Mounted Bolted Body Ball Valves in two and three piece bolted body construction.
Design & Construction
- Split body and unibody construction options
- Free floating ball design
- Blowout proof stem
- Anti static device
- Cavity relieving seats
- Fire safe construction certified to API 607
- Designed and tested to ASME B16.34 and API 6D
Pressure Classes & Materials
- Available in ASME Class 150 through 600
- Full bore and reduced bore configurations
- Carbon steel, alloy steel, and stainless steel bodies
- RTFE, PEEK, DELRIN, and metal seat options
- HNBR, Viton, EPDM, PTFE, and graphite sealing materials
- NACE compliant materials available
Applications
- Oil and gas production
- Pipeline and transportation
- Petrochemical and chemical processing
- Power generation
- General industrial service

FORGED TRUNNION MOUNTED BALL VALVES WELDED BODY
GWC API 6D forged trunnion mounted ball valves feature a fully welded body design for enhanced structural integrity and zero body leakage. Engineered for high pressure, severe service, and subsea applications.
Design & Construction
- Fully welded body construction for maximum strength and zero external leakageÂ
- API 6D compliant design
- Trunnion mounted ball for reduced operating torque
- Double block and bleed capability
- Blowout proof stem
- Fire safe construction
- Anti static device
Pressure Classes & Materials
- Carbon steel, alloy steel, and stainless steel body materials
- NACE compliant configurations available
- Severe service and subsea material options
- Wide range of ASME pressure classes
- RF, RTJ, butt weld, and custom end connections
Applications
- High pressure oil and gas production
- Pipeline transmission systems
- Subsea installations
- Refining and petrochemical service
- Power generation and industrial process

ONE PIECE BODY TRUNNION MOUNTED BALL VALVE – TOP ENTRY
GWC API 6D trunnion mounted ball valves feature a one piece top entry body design that allows in line maintenance without removing the valve from service. Engineered for high pressure, severe duty, and subsea applications.
Design & Construction
- One piece forged body construction
- Top entry design for in line serviceability
- API 6D compliant
- Trunnion mounted ball for reduced operating torque
- Double block and bleed capability
- Blowout proof stem
- Fire safe design
- Anti static device
Pressure Classes & Materials
- Carbon steel, alloy steel, and stainless steel body options
- NACE compliant materials available
- Severe service and subsea configurations
- Wide range of ASME pressure classes
- RF, RTJ, and butt weld end connections
Applications
- High pressure oil and gas production
- Pipeline transmission
- Refining and petrochemical
- Subsea installations
- Power generation and industrial process

CRYOGENIC TRUNNION MOUNTED BALL VALVES
GWC Cryogenic Trunnion Mounted Ball Valves are engineered for low temperature service down to minus 196°C. Designed in accordance with API 6D, these valves provide reliable shutoff performance in LNG, gas processing, and other cryogenic applications.
Design & Construction
- Extended bonnet design for cryogenic service
- API 6D compliant
- Trunnion mounted ball for reduced operating torque
- Fire safe design
- Blowout proof stem
- Anti static device
- Double block and bleed capability
- Designed to prevent stem packing freeze up in low temperature environments
Materials & Temperature Ratings
- Carbon steel, stainless steel, and alloy body materials
- Low temperature material selections for cryogenic service
- Service temperatures down to minus 196°C
- NACE compliant configurations available
- Wide range of ASME pressure classes
Applications
- LNG processing and storage
- Natural gas liquefaction plants
- Gas processing facilities
- Industrial cryogenic systems
- Petrochemical and energy applications

COMPACT BODY (TWIN BALL) TRUNNION MOUNTED BALL VALVES
GWC Compact Body Twin Ball Valves feature a double block and bleed design with two trunnion mounted balls housed in a single body. Engineered to provide positive isolation in a reduced face to face footprint for space constrained installations.
Design & Construction
- Dual trunnion mounted ball configuration
- True double block and bleed capability
- Single compact body design
- Reduced face to face dimension compared to traditional DBB assemblies
- Blowout proof stem
- Fire safe construction
- Anti static device
Pressure Classes & Materials
- Carbon steel, alloy steel, and stainless steel body options
- NACE compliant configurations available
- Severe service material options
- Wide range of ASME pressure classes
- RF, RTJ, and butt weld end connections
Applications
- Double block and bleed pipeline service
- Metering stations
- Compressor and pump isolation
- Refining and petrochemical service
- Offshore and subsea installations
Regional Oil & Gas Valve Support
Triple S Solutions provides exclusive regional representation across the Mountain West and Northern Plains. Supporting upstream and midstream operations with proven valve, closure, and flow control product lines.
We operate in the field. We understand the basins. And we support distributors and OEM partners with decisive, territory-driven service.
- Colorado
- Idaho
- Montana
- Nebraska
- New Mexico
- North Dakota
- Nevada
- South Dakota
- Utah
- Wyoming
Connect with our regional sales team for fast quoting, project support, and direct access to factory resources.
Primary basins served: Bakken, Williston, DJ, Powder River, Green River and Uinta.
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