China OEM Manufacturer Best Quality Well Drilling Bits - Arrow Check Valve – LUQI factory and manufacturers

OEM Manufacturer Best Quality Well Drilling Bits - Arrow Check Valve – LUQI

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We have been experienced manufacturer. Wining the majority of your crucial certifications of its market for Oil Drilling Tools , Downhole Mud Motor For Drilling Tool , Api Downhole Drilling Motors , We focus on generating own brand and in combination with a lot of experienced expression and first-class equipment . Our goods you worth have.

OEM Manufacturer Best Quality Well Drilling 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.

Product detail pictures:

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We'll make every effort and hard work being outstanding and excellent, and speed up our techniques for standing during the rank of global top-grade and high-tech enterprises for OEM Manufacturer Best Quality Well Drilling Bits - Arrow Check Valve – LUQI , The product will supply to all over the world, such as: Singapore , Hanover , Costa rica , With the highest standards of product quality and service, our products have been exported to more than 25 countries like the USA, CANADA, GERMANY, FRANCE, UAE, Malaysia and so on.We are very pleased to serve customers from all over the world!

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With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.