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The company is one of the major power bases for oil drilling and workover in China.
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TJA casing and tubing coupling bucking unit

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TJA casing and tubing coupling bucking unit

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TJA Series of casing and tubing coupling bucking unit is widely applicable for casing and tubing manufacturing, and oil field service. Among which the TJA series is the most representive casing and tubing making equipment with most mature technology and most advanced structure. The bucking unit follows API tubing thread connection requirements, especially suitable for screwin screwout of multiple kinds of coupling. Never-stick gripping mechanism and precise torque-control system provide whole computer moninor during screwing process. Manual, semi-automatic, fully automatic are available, and features large range, high torque, long service life and safe and reliable. The product has awarded national invention patent

Technical Parameters：

Model TJA7″-25 TJA95/8″-40 TJA133/8″-45 TJA20″-50
Applicable size mm Φ60.33—Φ177.8 Φ60.33—Φ244.48 Φ60.33—Φ340 Φ244.48-Φ508
in 23/8〃—7〃 23/8〃—95/8″ 23/8〃—133/8″ 95/8〃—20″

Torque

 Higear kN.m 15 14 16 17.6
ft.lbf 11060 10320 11800 12980
Low gear kN.m 25 40 45 50
ft.lbf 18440 29500 33190 36870
Speed

Higear

 rpm 1-28 0.95-26 0.63-23.7 0.7-20.3
Low  gear rpm 0.53-11.1 0.37-9.3 0.23-8.3 0.25-7
Central height mm 1100 1150 1150 1200
in 43.31 45.28 45.28 47.24
Core Dia mm 235 315 400 565
in 9.25 12.4 15.75 22.24
Shifting Stroke Mm 800 800 800 800
in 31.5 31.5 31.5 31.5

Hydraulic sytem Maximum pressure

 MPa 20
psi 2900

Hydraulic system
Flow

 L/min 5-185
gpm 1.3-48.9
Air control system Pressure MPa 0.4-1
psi 58-145
Air consumption m3/h 2
cfm 1.2

Overall dimensions

 mm

3210×1280×1650

 3220×1300×1700 3250×1300×1700 3520×1450×1800
in 126.4×50.4×65 126.8×51.2×67 128×51.2×67 138.6×57×70.9
Weight kg 8000 10800 10800 12000
lb 17600 23760 23760 26400

 

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Rushi

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86-513-84890912

Address：No.60 Weihai(N) Road, Bencha Town, Rudong County, Jiangsu Province, China
Tel：0086-513-84890912
84821070、84821059
E-mail：rslzg@jsrushi.com
rslzg@163.com  linhua@jsrushi.com

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