ITAG Valves Engineering GmbH
Kelly - Model Type BTG -Topguard Valve
The new generation of ITAG kelly valves is designed in accordance with API Specification 7-1 Service Class 2 (surface and downhole service) and will be manufactured and tested under the conditions of an ISO 9001 QM system. ITAG Kelly valves type BTG are optimized for remotely operated services, but can also be used as manually operated kelly valves. Kelly valves type BTG are available with ABS design assessment certificate (ABS CDS Guide) and DNV type approval certificate (DNV-OS-E101).
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- one-piece body
- designed as per API spezification 7-1 Service Class 2
- mounting direction „pin up“ or „pin down“
- pure metal seated with special hard-facing on ball 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