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Arrow Check Valve

Short Description:

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.


Product Detail

Product Tags

abide by the contract”, conforms on the market requirement, joins within the market competition by its good quality at the same time as provides far more comprehensive and great company for customers to let them grow to be major winner. The pursue in the company, will be the clients’ pleasure for Arrow Check Valve, We glance forward to establish a long-term small business romance along with your esteem co-operation.
abide by the contract”, conforms on the market requirement, joins within the market competition by its good quality at the same time as provides far more comprehensive and great company for customers to let them grow to be major winner. The pursue in the company, will be the clients’ pleasure for Arrow Check Valve, Valve, Valve supplier, All of our items comply with international quality standards and are greatly appreciated in a variety of markets around the world. If you are interested in any of our items or would like to discuss a custom order, remember to feel free to contact us. We are looking forward to forming successful business relationships with new clients in the near future.
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.

2


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