check valves
check valves
PISTON CHECK VALVES
API 6D piston check valves designed for reliable non-return service in high pressure pipeline applications. Engineered for durability and performance in oil, gas, and industrial systems.
Design & Construction
- API 6D design standard
- Piston style non-return configuration
- Self-aligning piston assembly
- Guided movement for stable sealing
- Heavy duty body construction for high pressure service
- Suitable for horizontal installation
Sizes & Pressure Classes
- Sizes 2 inch through 24 inch
- Class 150 through 2500
- Bore coating option available
- Designed for high pressure pipeline and process service
Applications
- Oil and gas transmission
- Petrochemical processing
- Power generation
- Industrial pipeline systems
- High pressure non-return service
API 6D SWING CHECK VALVES
GWC API 6D Swing Check Valves feature a full open piggable design for low pressure drop and reliable backflow prevention in pipeline service. Available in multiple pressure classes and end connections for demanding oil and gas applications.
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 STEEL VALVES GATE, GLOBE & CHECK
GWC Forged Steel Gate, Globe, and Check Valves are engineered for high pressure, small bore service in oil, gas, and industrial applications. Manufactured in accordance with API and ASME standards for dependable isolation and flow control.
Design & Construction
- Forged body construction for enhanced strength and durability
- Bolted bonnet and welded bonnet configurations available
- OS&Y rising stem design on gate and globe valves
- Solid wedge gate design
- Integral or renewable seat options
- Designed in accordance with API 602 and ASME B16.34
Pressure Classes & End Connections
- ASME Class 800, 1500, and 2500
- Threaded ends per ASME B1.20.1
- Socket weld ends per ASME B16.11
- Butt weld ends available
- NACE compliant materials available
Applications
- Refining and petrochemical
- Power generation
- Oil and gas production
- Pipeline and process service
- General industrial applications
CAST STEEL VALVES GATE, GLOBE & CHECK
GWC cast steel gate, globe, and check valves are manufactured in accordance with API and ASME standards for reliable isolation and flow control. Available in multiple pressure classes, materials, and end connections for refinery, power, and industrial service.
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
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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