Kelly - Model Type BTG-DB -Dual Ball Valve

They are designed in accordance with API Specification 7-1 Service Class 2 (surface and downhole service) and are manufactured and tested under the conditions of an ISO 9001 QM system.

ITAG kelly valves type BTG-DB are optimized for remotely operated topdrive service, but can also be used as manually operated kelly valves.

Kelly valves type BTG-DB are also available with ABS design assessment certificate (ABS CDS Guide) and DNV type approval certificate (DNV-OS-E101).

• one-piece body
• designed as per API specification 7-1 Service Class 2
• two closure members (balls)
• mounting direction „pin up“ or „pin down“
• pure metal seated with special hard-facing on balls and seat rings
• low torque design allows smooth opening under differential pressure and closing under high flow rates
• bi-directional sealing under full working pressure from below and above
• improved load capacity verfied by finite element analysis

• H2 S trim
• H2 S service
• gas-tight sealing
• locking device
• connection break-in