Casing Scraper
Online Installation Guide
One Year
Forging
Spray-Paint
Atmospheric Pressure
Cast Steel
Casing Scraper
Customer's Requirements
API 7-1 and ISO9001
Energy & Mining/Petroleum Machinery Parts
Customization
Pallet
China
8431431000
Product Description

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.

Kelly cock design is compact, easy to install and operate. The switch can be realized by turning the special wrench 90°, and the operation is simple and fast.
The spring supported ball seat and ball valve structure can realize high pressure sealing and effectively prevent the occurrence of blowout accidents.
It helps extend the life of the bit by reducing the vibration and flutter of the drilling tool.
It helps extend the life of the bit by reducing the vibration and flutter of the drilling tool.

Model | OD | ID | Conn. type | WP | |
Upper Kelly cock | XS197 | 197(7-3/4) | 76.2(3) | 6-5/8REG LH | 35MPa 70MPa 105MPa |
XS146 | 146.1(5-3/4) | 44.4(1-3/4) | 4-1/2REG LH | ||
Lower Kelly cock | XS111 | 111.1(4-3/8) | 38.1(1-1/2) | NC31 | |
XS121 | 120.7(4-3/4) | 44.4(1-3/4) | NC38 | ||
XS146 | 146.1(5-3/4) | 44.4(1-3/4) | 4-1/2REG | ||
XS165 | 165.1(6-1/2) | 71.4(2-13/16) | NC50 | ||
XS178 | 177.8(7) | 71.4(2-13/16) | NC50 | ||
XS184 | 184(7-1/4) | 71.4(2-13/16) | 5-1/2FH |





We transport the goods by container. we possesses long term cooperation with ship agency which can provide you lowest shipping fee. For samples we can send by express.
2.Can you satisfy my special requirement?
Definitely! we have strong design capacity and R&D capacity!
3.Which shipment terms can you accept?
EXW FOB CNF CIF DDU DDP