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China OEM Hss Drill Bits - Arrow Check Valve – LUQI

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We continuously execute our spirit of ''Innovation bringing development, Highly-quality ensuring subsistence, Management advertising and marketing gain, Credit history attracting buyers for Metal Drilling Tools , Small Bell , Control Head , Our tenet is clear all the time: to deliver high quality product at competitive price to customers around the world. We welcome potential buyers to contact us for OEM and ODM orders.
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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China OEM Hss Drill Bits - Arrow Check Valve – LUQI detail pictures


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Our purpose is to fulfill our clients by offering golden company, great price and premium quality for China OEM Hss Drill Bits - Arrow Check Valve – LUQI , The product will supply to all over the world, such as: Australia, Belgium, New Delhi, Due to the changing trends in this field, we involve ourselves into products trade with dedicated efforts and managerial excellence. We maintain timely delivery schedules, innovative designs, quality and transparency for our customers. Our moto is to deliver quality products within stipulated time.
  • Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
    5 Stars By Sophia from Rome - 2017.08.18 18:38
    After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
    5 Stars By John biddlestone from Houston - 2017.06.19 13:51
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