VALVE 4 1/2

LOWER KELLY COCK (4 1/2" IF BOX) X (4 1/2" IF PIN) 5000PSI,NC 38, CLASS 2,API STANDARD, DRILLING TOOLS KELLY COCK VALVE

US$ *11.81EA

Model/PN: VALVE 4 1/2" IF BOX

Brand: LINHAI

Standard: API

Lead Time: 30 days

Warranty: 12 Months

Place of Origin: China

Payment Method: T/T

Application: Oilfields equipments & Spares

Packaging: Export Standard Packing

HS code: 8431499900

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Product Details

Kelly cock is an effective manually operated ball type valve for the drill stem, divided into upper and lower sections. 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 drill pipe and lower end of Kelly or lower end of Kelly saver subs.Kelly cock can be opened or closed off by simply turning a special operating wrench 90° according to indicated direction. Both upper and lower Kelly cocks should be connected to prevent accident during drilling operation.






















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