Pipe Line Ball Valve with Gas Over oil Actuator

Fully Welded Ball Valves on Pipeline Skids

Triple Offset Butterfly Valve with Electric Actuator

API 6D Ball Valve with  Rack Pinion Actuator

Fully Welded Ball Valve with

 Direct Gas Actuator

API 6D Ball Valve Automated with Electric Actuator

API 6D Fully Welded Ball Valve For a Major Oil Company

API 6A and 6D Ball Valve with Scotch Yoke Actuator

​​Master Valve USA serves Oil & Gas, chemical, petrochemical, refining and other process Industries by providing superior on/off API 6D and API 6A ball valves for customers worldwide. Master Valve's high quality valves are trusted for toughest services including gas processing, drilling, production, transmission, storage, subsea deep water, and low emission/high frequency on/off applications in refinery.

As a growing manufacturer of on/off shutdown valve products, we believe quality, service and competitiveness are key to customers in this demanding world.  With best-in-class manufacturing and sourcing capabilities, we provide custom-made solutions as well as off-the-shelf products in manageable lead times.  We also believe in " ease of doing business" and strive our best efforts to make the procurement process easy for our privileged customers so that they could have more time to tackle other operational challenges in their plants.

Through our distributor network we offer local sales and technical support for all Master Valve Products. Our commitment to quality and service is unsurpassed in the industry.

​Master Valve USA is your supplier of choice for:

  • API specs: API 6D; API 6A; API 600; API 607; API 6FA; API 598; API 608
  • ASME/ANSI specs: B16.5; B16.10, B16.25; B16.34; B16.47; B31.1
  • NACE MR 0175
  • Fugitive emission standards: TA-Luft/ISO 15848
  • API 6A ball valves
  • Cryogenic services such as LNG
  • Subsea and fully welded valves
  • Extended stem valves for buried services
  • ​​Special testing to meet your requirements such as fugitive emission
  • Industrial applications: gas transmission pipeline, pumping station, compressor station,  gas processing plant, offshore platform, FPSO, refinery, chemical and petrochemical processing plants etc.

With our manufacturing and distribution facility in Houston Texas and an extensive inventory in the whole supply chain we can fulfill your needs in the most efficient way. 

​​High Quality Ball Valves Designed for Toughest On/off Applications