Kelly cock valve specifications

An upper kelly cock is intended for use between the lower end of the swivel sub and the upper end of the kelly. Upper kelly cocks are furnished in 5,, 10, and 15, psi maximum working pressure ratings and have a working temperature rating of degrees F maximum. Upper kelly cocks are available for either square kellys or hexagon kellys and in the sizes as shown in Tables 1 and 2. Upper kelly cocks are furnished with box up and pin down both left hand rotary shouldered connections in the size and style shown in Tables 1 and 2.
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Kelly Cock Valve

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KELLY COCK – ALTIFORT-SMFI

The WN-2 Ball Type Kelly Valve provides a quick, sure shutoff in the drill string that can repay the cost of the valve quickly in the mud savings and kick protection. This valve can be used as either an upper or lower kelly cock. It has an exclusive corrugated spring to insure a positive seal. Standard pressure rating is 10, pound test, but higher pressure ratings are available on special order.
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Kelly Cock

Kelly Cock Valves are devices that allow for shutting the internal bore of the drill string keeping the mud column in the top drive or the Kelly when disconnecting from the drill string. It controls the flow of the mud during normal drilling operations and is operated from the rig floor. Product Description. The Kelly Cock Valve is designed and manufactured as a one-piece or a two-piece Kelly Valve for free-passage and maximum circulation of the drilling fluid minimizing pressure loss. Main features:.
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Comments
  •   Merisar October 10, 2018
    I hear your also a gamer so if you have a twitch or something like that lmk so I can subscribe, anyways glad to see you continue your work This is a great pairing.
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