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Kelly Valves-Drill Pipe
Safety Valve
Kelly Valve/Drill Pipe Safety Valve is a full
opening valve that provides positive pressure control of the fluids in the drill string.
Product Description
Kelly Valve/Drill Pipe Safety Valve is a full
opening valve that provides positive pressure control of the fluids in the drill string. These valves can be used as a drill pipe safety valve or upper kelly valve to control blowout pressures,
or as a lower kelly valve to prevent loss of drilling fluid when the kelly is disconnected.
Product Features
The valve seals in both
directions with metal to metal seals. Available in 10,000 psi working pressure as standard, 15,000 psi working pressure is available in certain sizes upon request. The valve uses a hexagon socket
on the operating stem and has positive stops in the open and closed positions.
With the exception of the
standard body, all components are manufactured from materials meeting the requirements of the National Association of Corrosion Engineers (NACE) Standard MR0175 "Standard Material Requirements,
Sulfide Stress Cracking Resistant Metallic Materials for Oilfield Equipment"How to Order
Specify:
• Outer Diameter
• Connections
*Other sizes and connections
available upon request.
