TQ series of casing power tongs are widely applied to making-up operations and breaking-out operations of casings or pipes in oilfield.It has the features such as light and handy structure, high work efficiency and reliable working safety.It can reduce workers' labor intensity and improve the connection qualityof casing screw threads. Tong head is design as open and equipped with advanced swing-type double jaw assembly, which can ensure reliable clamping.This series of casing tongs can be configured with torque device to perform computer monitoring and managing on pressure, torque,and rounds.The power tongs are design and manufactured according to API SPEC 7K"Driling and Well Serving Equipment."
型号Model | TQ178-16 | TQ340-20Y | TQ340-35 | TQ178-16Y | TQ340-35Y | TQ508-70Y |
适用管径 Size range | mm | 101.6-178 | 101.6-340 | 139.7-340 | 101.6-178 | 101.6-340 | 244.5-508 |
in | 4-7 | 4-133/8 | 51/2-133/8 | 4-7 | 4-133/8 | 95/8-20 |
液压系统最大压力 Hydraulic system | Mpa | 18 | 16 | 18 | 18 | 18 | 20 |
psi | 2610 | 2320 | 2610 | 2610 | 2610 | 2900 |
液压系统工作流量 Hydraulic system flow rating | L/min | 114 | 114 | 114 | 114 | 114 | 140-220 |
gpm | 30.1 | 30.1 | 30.1 | 30.1 | 30.1 | 36.9-58.1 |
最大扭矩Max.torque | 高档 Hi.gear | KN ·m | 2.4-3 | 3.7 | 2.5-3 | 2.4-3 | 4.0-5.0 | 8.4-10.7 |
ft.Ibf | 1770-2200 | 2730 | 1844-2200 | 1770-2200 | 2950-3680 | 6195-7891.25 |
中档 Mid.gear | KN ·m |
|
| 6.0-7.5 |
|
|
|
ft.Ibf |
|
| 4420-5530 |
|
|
|
低档 Low.gear | KN ·m | 16 | 20 | 35 | 15-18 | 27-30 | 48.9-70 |
ft.Ibf | 11800 | 14750 | 25800 | 11060-13280 | 19900-22120 | 36063.75-51625 |
钳头转速 Speed | 高档 Hi.gear | rpm | 54-97 | 50-80 | 60-86 | 54-79 | 80-98 | 30.5-48 |
中档 Mid.gear | rpm |
|
| 21-30 |
|
|
|
低档 Low.gear | rpm | 9-13.1 | 6-14 | 2.6-5.3 | 8.5-12 | 12-16 | 4.6-7.3 |
外形尺寸Overall dimension | mm | 1540×760×740 | 1520×850×670 | 1540×900×860 | 1500×760×680 | 1560×900×850 | 2080×1280×760 |
重 量 Weight | in | 61×30×29 | 60×34×26 | 61×36×34 | 59×30×27 | 61×35×33.5 | 82×50×30 |
kg | 580 | 560 | 780 | 570 | 780 | 1550 |
Ib | 1280 | 1234 | 1720 | 1250 | 1720 | 3420 |
