China China OEM Hss Drill Bits - Arrow Check Valve – LUQI factory and manufacturers

China OEM Hss Drill Bits - Arrow Check Valve – LUQI

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"Sincerity, Innovation, Rigorousness, and Efficiency" will be the persistent conception of our company to the long-term to establish together with customers for mutual reciprocity and mutual gain for Tricone Bit Oil Drilling Tools , Butterfly Spring , Draw Works Drilling Machine , With a wide range, good quality, reasonable prices and stylish designs,Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.

China OEM Hss Drill Bits - 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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Our crew through skilled training. Skilled skilled knowledge, strong sense of company, to meet the company wants of customers for China OEM Hss Drill Bits - Arrow Check Valve – LUQI , The product will supply to all over the world, such as: Mauritania , Tanzania , Danish , In the new century, we promote our enterprise spirit "United, diligent, high efficiency, innovation", and stick to our policy"basing on quality, be enterprising, striking for first class brand". We would take this golden opportunity to create bright future.

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