P91 Top Entry Type Ball Valve

Top Entry Ball Valve

When selecting ball valves, utilization of a top entry design, will permit easy access to internal components for service and parts replacement, without having to remove the ball valve from the line. The ability to make quick repairs is especially important at start-up time when valve damage from fabrication debris is most likely to cause expensive down time and project delays.

Features of Top Entry Ball Valves:
Floating or Trunnion Mounted Ball
One-piece Body Design
Top Entry for On-line Maintenance
Full Port for Pigging Operation
Fire Safe to API 607
Antistatic Design
Anti-blowout Stem
Gear Operation or Actuator Available

Applicable Standards of Top Entry Ball Valves:
A) Design & Manufacture: API 6D, BS 5351, API 607
B) Face to Face: API B16.10, API 6D, EN 558, DIN 3202
C) End Connection: ASME B16.5, ASME B16.25, EN 1092, JIS B2220
D) Test and Inspection: API 6D, EN 12266, API 598

Sizes: 2" - 36", DN 50 - DN 900
Pressure Rating: Class150 - Class 2500 or PN 16 - PN 420
Material of valve body: WCB, LCB, CF3, CF8M, CF3M, A105, LF2, F304, F304L, F316, F316L etc.
Operated by: Lever, Gear, Pneumatic, hydraulic and Electric actuator

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1. Construction is as follows:
 
2. Main Part & Materials