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M.J. Bangkok Valve & Fitting Co., Ltd.

Your Authorized Swagelok Sales and Service Center

: GB General Services Ball Valves

New Swagelok® GB Series Ball Valve

Reduce installation, maintenance, and inventory costs while meet pressures up to 6000 psig (413 bar) and full flow specifications


Versatile full-flow valve designed for extended operation in harsh environments at a working pressure of 6000 psig




GB series ball valves feature a standardized design and a variety of configuration options to reduce inventory requirements while maintaining ease of installation and use. The GB Ball Valve is a fit for your most challenging applications in the oil, gas, and process control industries. 

   • Integral Swagelok end connections help minimize costs related to purchasing, installing,

and testing additional fittings while creating consistency with existing systems

   • 6,000 psig (430 bar) pressure rating with true temperature range -40°F to 248°F (-40°C to 120°C)

   • The bolt pattern enables connection of an optional lockout handle, panel mount kit,

or an ISO 5211 pneumatic actuator

   • Bidirectional flow and shutoff capabilities simplify installation by removing the potential

for incorrect valve orientation during assembly

    Corrosion-resistant body materials: 316/316L, 6-Moly, Alloys 2507, 625, 825, and C-276. 

Available for sour gas service, featuring materials selected in accordance with NACE MR0175/ISO 15156

download GB Ball valve brochure

Reduce labor and component costs with integral Swagelok end connections.

   Minimize cost of purchasing, installing, and testing fittings

   Reduce risk of improper assembly

   Reduce potential leak points




To satisfy a variety of applications, the GB valve comes in two sizes (8GB and 16GB) with a wide range of flow rates and end connection types and sizes.

    - 8GB flow coefficients (Cv) from 2.5 to 10

    - 16GB flow coefficients (Cv) from 5 to 40




Gain inventory and installation flexibility with a valve body featuring a bolt pattern that allows local installation of a lockout handle, panel mount, or ISO 5211 pneumatic actuator.