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YJ typeOne-Way Shock Absorber

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product description

YJ tupe one-way shock absorber is a kind of drilling tool which effects shock absorption by depending on hydraulicoil under external force through elastic deformation and damping.With some features of simple construction,easy and reliable operation,it can fully overcome the impact and shocking load from drill strings during drilling operation. Taking use of the shock absorber,it can raise the service life for drill bit and drill tool,speed up drilling,get rid of drilling jumping ,well protect surface equipments and drilling tools.

Thechnical specifications and parameters:

Type

O.D.
(mm)

I.D.
(mm)

Max.stroke
(mm)

Max.bit
weight
(KN)

Tensile
strength
(KN)

Ambient
temperature
(°C)

Thread
conn.

Pull-down
overallength
(mm)

Sealling
Pressure
Mpa

YJ121B

121

38

121

265

1000

-40~150

3 1/2"REG

3950

30

YJ160B

160

45

120

343

1500

-40~150

NC46

4100

30

YJ178B

178

57

125

392

1500

-40~150

NC50

3845

30

YJ203B

203

64

150

490

2000

-40~150

6 5/8"REG

4045

30

YJ229B

229

70

150

539

2000

-40~150

7 5/8"REG

3800

30

Corresponding parameter set not found, please add it in property template of background
暂未实现,敬请期待
暂未实现,敬请期待
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