Contact info

Contact info

Fully Welded Ball Valve

Product name: Fully welded Ball Valve

Fully welded ball valve are main applicable for district heating system,water supply and petrochemical,electrical station, city coal gas, natural gas, transmission pipeline, food industry, paper. Fully welded body design makes it free of maintenance, free of leakage point, light in weight, reliable quality and safety.

More details


Bookmark and Share
Standard and Scope:
Size: NPS 1/2"~40" DN15~DN1000                            
Pressure Rating: Class 150~2500 PN16~PN420               
Connection: weld or flange 
Body Material: Carbon steel(ST37, 20#, A106-B, S235JR,or revelant), stainless steel, ALLOY and so on
Ball: SS304, SS316 
Seat: Metal with polymer, PTFE, RTFE, Viton, Nylon, Peek, PTFE+C, and so on
Design and Manufacture: API 6D, ASME B16.34, BS5351 
Test And Inspection: API 598, API 6D, BS5146
Face To Face: ASME B16.10, API 6D
End Connection: ASME/ANSI B16.5 B16.47,B16.25; EN,DIN,JIS,GB


Design Feature:

Fulley weld ball valve of SGV adopts Trunnion mounted for big size and floating ball for small size, Spring energized seats, Metal or soft seated, Double Block and Bleed, full bore or reduced bore,Anti blow out stem, Removable stem seals under full line pressure in fully opened or closed position, Anti static device, Self lubricated bearings


Other Options

Emergency sealing injection,
Stem extension,
Underground installation,
Extended lines for drain, vent andemergency sealing injection,
Special coatings
Bypass directly at the valve
Locking device
Other design features on request