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


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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.
  • In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
    5 Stars By Sara from Hungary - 2018.12.10 19:03
    We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
    5 Stars By Charlotte from British - 2017.07.07 13:00
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