Full-Hydraulic Drilling Jar Type QY Ⅲ
Full Hydraulic Drilling Jar Type QYⅢ adaptes the needle valve type structure, the up and down impact are both hydraulic, can realize the up and down tonnage stepless adjustment. It can effectively protect the drill string and improve the service life. The hydraulic energy storage mechanism adopts patent design and has good stability. Delay time range: 30s ~ 240s, Working temperature range: -40℃~180℃. Adopt new special materials, with higher performance and safety. Widely used in drilling, coring, workover, fishing and so on.
Specifications
Model | Tool OD
mm
(in) | ID
mm
(in) | Conn. | Allowable
Working
Tensile
kN(Ib) | Allowable
Working
Torque
kN· m(lb· ft) | Max. Up
Jarring
kN （Ib) | Max. Down
Jarring
kN （Ib) | Up Stroke
mm | Down Stroke
mm |
QY108Ⅲ | 108
(4 1/4) | 38
(1 1/2) | NC31 | 800
(180000) | 10
(7000) | 250
(55000) | 120
(26000) | 152 | 152 |
QY121Ⅲ | 121
(4 3/4) | 50
(2) | NC38 | 1100
(250000) | 15
(11000) | 350
(78000) | 180
(40000) | 152 | 152 |
QY165Ⅲ | 165
(6 1/2) | 57
(2-1/4) | NC50 | 2000
(450000) | 30
(22000) | 700
(160000) | 350
(78000) | 152 | 152 |
QY203Ⅲ | 203
(8) | 76.2
(3) | 6-5/8REG | 2800
(630000) | 45
(33000) | 1000
(225000) | 500
(110000) | 152 | 152 |
QY241Ⅲ | 241
(9 1/2) | 76.2
(3) | 7-5/8REG | 3500
(787000) | 45
(33000) | 1250
(280000) | 650
(146000) | 152 | 152 |
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