Audited Supplier
ZJ
Customized
Customized
as Required
as Required
as Required
as Required
ZJ
as Required
as required
Sichuan
Product Description
API 7-1 Kelly Valve Kelly Cock Valve Drill Pipe Safety Valve Top drive IBOP
Product Description
Kelly Valve also named Kelly Cock/Drill Pipe Safety 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
Kelly 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.
When ordering please specify:
Upper or Lower type;
Tool OD;
Working Pressure: 5,000 / 10,000 / 15,000 PSI;
| We have been dedicated to manufacturing and supply of high-quality mechanical parts and components for 20 years. Over the past years, we have grown and evolved into a leading supplier with our own foundry, machining, and inspection capabilities. We provide customers with a full range of products, services, and solutions to help them stay competitive in their field. We handle each job with an optimal process to achieve the lowest cost, best quality, and highest efficiency. Our capability is comprehensive, including engineering design, sample development, process control, heat treatment, machining, inspection, as well as shipping and delivery. Benefiting from extensive experience and expertise in the foundry and machining sector we are able to produce a variety of parts and components serving a broad spectrum of industries and applications. We are highly committed to quality. We have been accredited to ISO9001:2015, AS9100, ISO45001:2018, PED 97/23E, ADW0, and API 6D by BV, TUV and DNV. Implementing ISO9001 quality management system ensures a good performance of our product and service, enabling us to establish long-term business relationships with our customers around the world. |
