China 2017 Good Quality Downhole Tools Manufacturers - Arrow Check Valve – LUQI factory and manufacturers

2017 Good Quality Downhole Tools Manufacturers - Arrow Check Valve – LUQI

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Good quality comes initial; company is foremost; small business is cooperation" is our business philosophy which is frequently observed and pursued by our business for Driling Machine Drilling Rig , Barite Buyer , Downhole Drilling Motors , Our company is working by the operation principle of "integrity-based, cooperation created, people oriented, win-win cooperation". We hope we can have a friendly relationship with businessman from all over the world.

2017 Good Quality Downhole Tools Manufacturers - 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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We believe that long expression partnership is often a result of top of the range, value added service, prosperous encounter and personal contact for 2017 Good Quality Downhole Tools Manufacturers - Arrow Check Valve – LUQI , The product will supply to all over the world, such as: Denver, Nairobi, Singapore, we rely on own advantages to build a mutual-benefit commerce mechanism with our cooperative partners. As a result, we've gained a global sales network reaching the Middle East, Turkey, Malaysia and Vietnamese.

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