Kelly cock valve specifications


Product Alert Get e-mail alerts on latest products! Safety Valves are used on the rig floor and down-hole to manage safe operations while controlling kicks and preventing back flow of the drilling mud during the drilling process. Product catalog perches turn key precision engineering micro precision precision components. Your browser does not support this video playback. Product Details Model Number: Check-valve compatibility should be checked with Kelly Cock free passage. Kelly Valves can be provided as a one or two piece construction.
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Dual Ball Kelly Cock Valve

Standard pressure rating is 10, pound test, but higher pressure ratings are available on special order. The outside diameters, bores and bevel diameters on each end of upper kelly cocks conform to the dimensions shown in Tables 1 and 2. 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. New lower kelly cocks are furnished in lengths sufficient to provide a minimum tong space of 8 inches after the box and pin connections have been re-cut at least once. KC4S metal-to-metal seal valve, sealing is performed by controlled elastic deformation of the special plug. Safety valves are an essential component in guaranteeing the safety of drilling operations. Automatic mud saver valves are not designed to hold pressure from kicks in the drill stem.
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WNCO Valve | Upper & Lower Kelly Valves

When used as a lower kelly cock, the WN-2 Kelly Valve provides a closure to stop mud loss when the kelly is disconnected from the drilling string. The WN-2 Kelly Valve is also available with left-hand threads for use as an upper kelly cock. With the cost of oil mud, biopolymers and other costly drilling fluids, the valve can pay for itself quickly. It has an exclusive corrugated spring to insure a positive seal. A leading supplier of tubular goods and drilling equipment including new and used drill pipe, heavy weight drill pipe, kelly bushings, rotary tables, kelly and mud valves, drilling tongs and more.
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Kelly cock valve specifications
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Kelly cock valve specifications
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Safety Valves

Kelly cock valve specifications



Description: New lower kelly cocks are furnished in lengths sufficient to provide a minimum tong space of 8 inches after the box and pin connections have been re-cut at least once. API requires that licensed manufacturers of upper kelly cocks subject each valve to a hydrostatic shop test pressure as shown in Table 3. Do not hesitate, please contact us today! If higher test pressures are required, the manufacturer should be contacted to arrange the testing. On new drill pipe valves, a tong space of 8 inches minimum length and with an outside diameter as shown in Figure D6- 1 and columns 3 and 4 of Tables 1 and 2 is typical.

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