Full Open Safety Upper and Lower Kelly Cock Valve for Drilling Stem

• Customization: Available
• After-sales Service: Online Installation Guide
• Warranty: One Year
• Model NO.: Kelly cock valve
• Manufacturing Process: Forging
• Surface Treatment: Polishing
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Product Name: Kelly Cock Valve
• Color: Customer′s Requirements
• Certificate: API 7K and ISO9001
• Application: Energy & Mining/Petroleum Machinery Parts
• Transport Package: Pallet
• Trademark: Customization
• Origin: China
• HS Code: 8431431000
• Production Capacity: 50000pieces/Year

Product Description

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.

	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

Best-all Petro is located in Dongying City, which is famous for Shengli Oilfield. It is the largest petroleum equipment manufacturing center in China. Best-all Petro is a professional manufacturer of mud pump spare parts. We have obtained API 7K certification and ISO international quality certification.Our main products are: bi-metal cylinder liner, ceramic cylinder liner, hydraulic cylinder, piston, valve assembly and other mud pump spare parts.Our products are not only widely used in the domestic market such as Shengli Oilfield, but also exported to Central Asia, the Middle East, Southeast Asia, North America, South America and other countries in the world. The company follows the principle of "quality first, integrity-based." Because of excellent quality, reasonable price and professional service, we have been highly recognized by customers. Our vision is to become a trusted partner of the international oil equipment industry. Our mission is to provide customers with first-class products and services,and create more value for global customers.
1.How do you transport the goods?
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