China Original Factory Inserted Teeth Drill Bit - Arrow Check Valve – LUQI factory and manufacturers

Original Factory Inserted Teeth Drill Bit - Arrow Check Valve – LUQI

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Original Factory Inserted Teeth Drill Bit - Arrow Check Valve – LUQI Detail:

Arrow check valve (drilling tool check valve) is an important tool used in drilling and workover of oil and gas.It works with the drilling tool in the well. Once the reverse flow, kick or positive circulation stops in the drilling or workover process, the arrow check valve closes rapidly under the action of the spring force of the back circulation press inside the drill tool, which truncates the internal passage of the drill tool and plays the purpose of blowout prevention inside the drill tool.

Main Technical Parameters

Model	OD mm(inch)	ID mm(inch)	MPa	Connect thread
FJ79	79(3 1/8)	25(1)	35、70、105	2 7/8HT PAC
FJ86	86(3 3/8)	25(1)		NC26
FJ111	111(4 3/8)	41.3(1 5/8)		NC31
FJ121	120.7(4 3/4)	54(2 1/8)		NC38
FJ127	127(5)	54(2 1/8)		NC38
FJ159	159(6 1/4)	70(2 3/4)		NC46
FJ165	165(6 1/2)	70(2 3/4)		NC50
FJ178	178(7)	70(2 3/4)		5 1/2FH
FJ203	203(8)	71.4(2 13/16)		6 5/8REG
FJ229	229(9)	76.2(3)		7 5/8REG

Ordering Instructions

1. Specification and dimension, connecting thread when ordering.

2. If you have any special requirements, please elaborate.

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Being supported by an advanced and professional IT team, we could offer technical support on pre-sales & after-sales service for Original Factory Inserted Teeth Drill Bit - Arrow Check Valve – LUQI , The product will supply to all over the world, such as: Vancouver, Peru, Berlin, With top quality products, great after-sales service and warranty policy, we win trust from many overseas partner, many good feedbacks witnessed our factory's growth. With full confidence and strength, welcome customers to contact and visit us for future relationship.

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