API Upper and Lower Kelly Cock

  Product Description   Drill Pipe Safety Valve also named Kelly Cock/ Kelly Valve allowing free passage of drilling fluid without pressure loss. The valve can be used as a dill 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. It has a pressure rating of 5,000psi or 10,000psi or 15,000psi   Specifications   Drill Pipe Safety Valve is a manually operated ball type drill stem valve; it is divided into upper Kelly valve and lower Kelly valve. Kelly Valve features: The sealing principle for Kelly valve is that the ball is positioned and provided with proceeding stress by the lower seat supported by spring load and a close seal between ball and ball seat is provided. During normal drilling operation, the hole is kept unblocked by turning the stem to be “on” position; In case of kick or blowout, turn the operating stem to be “off” position to close off the internal bore of drill string, the kick or blowout accident is avoided due to a high pressure sealing situation between ball and ball seat.     Packaging & Shipping

Packaging Details:	according to your requirements
Delivery Detail:	15 days

  Company Information Kaihao Petroleum Equipment Co. Ltd. located in Shengli Oilfield (Dongying city, Shandong province) is a petroleum equipments service supplier, which is comprised of experienced engineers in petroleum equipments’ design and manufacture and business team. We can provide all kinds of Drilling Equipments, production equipments, Petroleum Tubular Goods, Wellhead Equipments, downhole tools, well control equipments, the Cementing Tools, Manifold , Elbow , Electric Submersible Pump (ESP) and oilfield spare parts. Petroleum equipments comply with API standards; other products are in conformity with national standards and international standards. Looking forward to cooperating with you!   FAQ Q:How long is the warranty period of the safty valve? A:We have one year warranty.   Q: How about the delivery time? A: One month usually. Q: Are you worry about our quanlity? A: Our goods have exported to Azerbajia, Russia, America,Dubai,Kanada, Kuwait and many countries.        

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Product Categories : Drilling Equipments > Drilling Accessory