Fully Welded Ball Valves, as the name implies, made by welded valve body and using a ball to prevent or begin the flow. Fully Welded Ball Valves are one of the most commonly used valves in industrial plants. They provide several benefits like superior easy operation, maintain and regulate high volume, high and warm temperature flow when compared with different kinds of valves. 

PERFECT provides a complete line of fully welded ball valve for sale that is supplied to various industries, especially for oil and gas. Available forms are floating and trunnion design. Our fully welded ball valve is available from 150 up to 2500 pressure. We are a fully stocked manufacturer and distributor of the fully welded ball valve and we make the valve easy to find for your need. We can also accept the OEM design, so whether you need special valves or have a large order to place, we can provide you with the customized service for you. Please review the charts below for available sizes & pressure & material or fill the contact form below.

  • Fully welded ball valve almost needs no maintenance, adjustment and lubrication, has long service life;
  • The weight of welded body structure is 10~20% lighter than that of bolted structure, offers a small valve volume and easy to insulate;
  • Easy installation. The length of the valve body and the height of valve stem can be adjusted according to the construction and design requirements of the pipeline.
  • Fully-welded body leak free except for stem rotation, while straight buried all-welded ball valve stem ensures valve leak free with three-layer sealing.
Fully welded ball valve design
Application On-off and control
Design Standard
  • API 6D
  • API 6A
  • ASME B16.34
  • API 608
  • BS 5351
F to F Standard ASME B16.10
Testing Standard API 598
End Connection Standard ASME B16.5
  • DN15-DN1200 1/2″-48″
Pressure Class Range
  • 1.6~42.0 (Calss150-Calss2500)
Ends Flange End, Butt weld
  • Body: ASTM A216 WCB, Super Duplex, etc
  • Ball: ASTM A216 WCB, A479 SS316, CF8M, Super Duplex, etc
  • Seat/Seat inserts: ASTM A105+ENP, Delvon, Nitrile, PTFE, etc

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