Upper Kelly Valve/Lower Kelly Valve/Kelly Cock for Oil Well

• After-sales Service: Yes
• Warranty: 1year
• Manufacturing Process: CNC Milling
• Surface Treatment: Galvanized
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Model NO.: 121
• Product Name: Kelly Valve
• Transport Package: Wooden Case
• Specification: 114
• Trademark: zx
• Origin: China
• Production Capacity: 200

Product Description

Product Description

Drill Pipe Safety Valve Kelly cock valve for drill pipe is a manually operated ball valve connected in the bore of drill string ,is one of effective tool for preventation from blowout . The kelly cock is divided into upper kelly cock and lower kelly cock . The upper kelly cock is connected between lower end of swivel and upper end of kelly . The lower kelly cock is connected between upper end of drillpipe and lower end of kelly or connected between lower end of kelly saver subs. The kelly cock valve features a simple operation, the kelly cock can be opened on or closed off by only turning the special operating spanner at 90 degrees according to indicating direction. During drilling operation, in order to avoid serious well kick or blowout accident, the kelly cock shall be connected at upper end and lower end of kelly.

Product Parameters

 

Packaging & Shipping

Company Profile