WCB Flagned Ball Valve


ZECO Valve is a API 6D ball valve supplier. Among the many ball valve suppliers in China, ZECO Valve has a full range of API certifications and has obtained API 6D certification as well as API 607 and API6FA fire certifications.

Wcb Ball Valve

What is a Flanged Ball Valve?

Flanged ball valves are named for the connection of the ball valve, flanged ball valves usually have RF connection and RTJ connection, connection standards are divided into ASME B16.5, EN1092-1 and other connections.

Applications of WCB Flanged Ball Valve?

ZECO WCB flanged ball valve is suitable for natural gas, oil, chemical, metallurgy, pharmaceutical and other industries, including floating ball valves, trunnion moutned ball valves and top entry ball valves.

Structure of Flanged Floating Ball Valve

The floating ball valve is simple structure type. It has two seat supporting the ball, the ball can tightly move towards the sealing to ensure seal at outlet end. When the trunnion mounted ball valve is in use, all the forces generated by the medium pressure in front of the ball valve in the pipeline on the ball are transferred to the upper and lower bearings, and the ball will not move. The top entry ball valve’s leaking points are less than floating and trunnion mounted ball valve.

Features of WCB Flanged Ball Valve:

  • In the closed position, each seat shuts off the process media independently on each side, or simultaneously on both sides of the ball, the cavity can be vented/bled via vent or drain plugs on the valve body;
  • The anti-static device is a standard feature of ZECO WCB flanged ball valve. A spring-loaded pin assures the electric continuity between the ball, stem and body, to avoid sparking during the turning of the stem to open and close the ball valve;
  • The stem of ZECO WCB flanged ball valve is made separately from the ball. The lower end of the stem is designed with an integral shoulder to be blowout-proof;
  • ZECO WCB flanged ball valve has two o-ring seals, preventing leakage from the stem area.

Material of WCB Flanged Ball Valve:

No Part Material
1 Body ASTM A216 WCB
2 Bonnet ASTM A216 WCB
3 Ball ASTM A105
4 Seat ASTM A105 + PTFE
5 Stem ASTM A182 F6a
6 Anti-static Device SS304
7 Gasket Graphite + SS304
8 Bolt ASTM A193 B7
9 Nut ASTM A194 2H
10 O-ring Viton A
11 Lever ASTM A216 WCB

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