| Customization: | Available |
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| After-sales Service: | Yes |
| Warranty: | 1 Year |
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TQ series of casing tongs are widely used for making-up or breaking-out pipes or casing in diameters of 4"~20". Tong head is designed as open and can freely clamp and escape from the casing. The products are powered by hydraulic pressure, adopting the tilt cylinder type high pulling torque motor and mechanical type shift gear to make the tongs structurally simple and reliable, operationally safe and convenient
TQ Casing Tongs are safe,reliable, and easy to handle with high mobility. This series of casing tongs can be connected with computer controlling units as ideal well mechanical
tools for surface operations in oil fields. National Invention Patent of the tongs has been got. The tongs are designed and manufactured according to API Spec 7K "Specification for Drilling Equipment"
Applicable Industries: Energy & Mining
Use::Well Drilling
Place of Origin: Shandong, China
Brand Name: Zhao Xin
Material: Alloy
Type: TQ178-16,TQ178-16Y
| Model | TQ178-16 | TQ178-16Y | TQ340-35 | TQ340-35Y | TQ356-55 | TQ508-70Y | ||
| Size range | mm | 101.6~178 | 101.6~178 | 114.3~340 | 114.3~340 | 114.3~356 | 244.5~508 | |
| 4~7 | 4~7 | -4 1/2~13 3/8 | 4 1/2~13 3/8 | 4 1/2~14 | 9 5/8~20 | |||
| Max.pressure | MPa | 18.0 | 18 | 18 | 21 | 16.6 | 20 | |
| 2610 | 2610 | 2610 | 3045 | 2400 | 2900 | |||
| Working flow | L/min | -110~160 | 110~160 | 110~160 | 110~170 | 110~160 | 110~170 | |
| 29.3~42.7 | 29.3~42.7 | 29.3~42.7 | 29.3~45.4 | 29.3~42.7 | 29.3~45.4 | |||
| Air pressure | MPa | 0.5-0.9 | - | 0.5-0.9 | - | 0.5-0.9 | - | |
| 72-130 | 72-130 | 72-130 | ||||||
| Max. torque | Hi. gear | kN.m | 2.4~3 | 2.4~3 | 2.5~3 | 4.0~5.6 | 3.4~4.5 | 8.4~10.7 |
| 1770~2210 | 1770~2210 | 1844~2210 | 2950~4130 | 2506~3319 | 6190~7890 | |||
| Mid.gear | kN.m | - | - | 6.0~7.5 | - | - | - | |
| 4425~5530 | ||||||||
| Low gear | kN.m | 14.5~17.5 | 15~18 | 32~40 | 26~35.2 | 45~57.4 | 48.9~70.5 | |
| 10694~12900 | 11060~13270 | 23600~29500 | 19175~25960 | 33190~42400 | 37244~52000 | |||
| Speed | High gear | rpm | 54~79 | 54~79 | 60~86 | 57~95 | 52~76 | 26~43.6 |
| Mid. Gear | - | - | 21~30 | - | - | - | ||
| Low gear | rpm | 9~13.1 | 9~13 | 3.6~5.3 | 9~15 | 3.9~5.6 | 4~6.6 | |
| Size | 1450×760×740 | 1500×760×780 | 1580×900×880 | 1580×900×860 | 1590×950×900 | 2080×1280×760 | ||
| in | 57×30×29.1 | 59×30×30.7 | 62.2×35.4×34.6 | 62.2×35.4×33.9 | 62.6×37.4×35.4 | 82×50.4×30 | ||
| Weight | 580 | 560 | 780 | 760 | 850 | 1550 | ||
| lb | 1280 | 1230 | 1720 | 1670 | 1870 | 3410 | ||
Dongying Zhao Xin Industry and Trade Co., Ltd. was established in 2001. Our company is located in Dongying city which has the second largest Oilfield (Shengli Oilfield) in China. We are a company, which conducts scientific research, development, manufacture, sale and after sale service, is one enterprise for oilfield tool and equipment manufacturer. We cover an area of more than 9000 square meters which manufacture different oilfield products. Our main products include drilling equipment, oil production equipment, oil well service tools. Such as sucker rod, drill pipe, OCTG products, bridge plug. Currently, our products are already exported to North America, South America, Middle East, Middle Aisa, India and other countries and regions. The warranty period of all our products is 18 months.
We are an I S O 9 0 0 1, I S O 1 4 0 0 1, I S O 4 5 0 0 1,API certified company and have all the quality systems in place for design, planning, manufacturing and quality monitoring & traceability to ensure that all products match the quality & reliability Standards. We also have an independent measurement and inspection department, the inspection and measuring tools are fully equipped, we control each process to ensure that all products are qualified.
Dongying Zhaoxin Industry and Trade Co.,Ltd with perfect attitude, product and service, is going to make further development together with customers at home and abroad .
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