Metal Seated Ball Valve

Compared with soft seal ball valves, YDF metal-to-metal ball valves have wider working temperature and medium range. During working condition, it has the features of reliable and safe sealing performance, long service life, easy operation and less pressure loss. It’s mainly used in service of high temperature, high pressure, severe corrosion and solid material containing services, such as coal chemical, polysilicon and vitriol/ nitric acid industry.


 Design Feature


Product Range

Metal to metal seal design between ball and seats
Double block and bleed
Cavity pressure self relief
Blowout-proof stem
Seat designed with dust-proof and automatic cleaning function
Antic-static device



Floating and trunnion mounted ball valve





Temperature Range


Body Materials

Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel


Tungsten carbide, Stellite

Gate Globe and Check Ball Valve Pipeline Valve Butterfly Valve Cryogenic Valve Other Valves
Axial Flow Check Valve
Dual Plate Check Valve
Bellow Sealed Valve
Pressure Seal Valve
API603 Stainless Steel Valve
API602 Forged Steel Valve
API600 Cast Valve
Metal Seated Ball Valve
Full Welded Ball Valve
Floating Ball Valve
Trunnion Mounted Ball Valve
Through Conduit Gate Valve
Double Offset Butterfly Valve
Triple Offset Butterfly Valve
Cryogenic Valve
Marine Valve
DBB Ball Valve (Dual Ball Side Entry)
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