Design Specifications

Kelly cock valve is a manual control valve in the drill string circulation system and is one of the effective tools to prevent blowout . It is upper Kelly valve and lower Kelly valve which is assembled the upper end and lower end of drill pipe. The Kelly valve can be opened on or closed off by the special operating spanner at 90 degrees according to the indicating direction.

Note: When ordering or requesting quotation, if size other than above specifications, please specify clearly.