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Wellhead Tools
Wellhead Tools. TQ178-16, TQ178-16Y, TQ340-35, TQ356-55 Hydraulic Tong Series for oilfield equipment maintenance and replacement projects. Buyers can send part number, equipment model, product photo or technical drawing for quotation.

TQ178-16, TQ178-16Y, TQ340-35, TQ356-55 Hydraulic Tong Series for oilfield equipment maintenance and replacement projects. Buyers can send part number, equipment model, product photo or technical drawing for quotation.
Specification matching, export packaging, WhatsApp and email communication support for oilfield buyers.
Description
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Specifications
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| Model | TQ178-16 | TQ178-16Y | TQ340-35 | TQ340-35Y | TQ356-55 | TQ356-55Y | TQ508-70Y | TQ340-85Y | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size Range | mm | 101,6 ~ 178 | 101,6 ~ 178 | 114,3 ~ 340 | 114,3 ~ 340 | 114,3 ~ 356 | 114,3 ~ 356 | 114,3 ~ 340 | 114,3 ~ 340 | |
| in | 41/2 ~ 133/8 | 41/2 ~ 133/8 | 41/2 ~ 133/8 | 41/2 ~ 133/8 | 41/2 ~ 14 | 41/2 ~ 14 | 95/8 ~ 20 | 41/2 ~ 133/8 | ||
| Maximum Working Pressure | MPa | 18 | 16 | 18 | 20 | 16,6 | 20 | 20 | 18 | |
| psi | 2610 | 2320 | 2610 | 2900 | 2400 | 2900 | 2900 | 2610 | ||
| Operating Flow Rate | L/min | 110 ~ 160 | 110 ~ 160 | 110 ~ 160 | 110 ~ 170 | 110 ~ 140 | 110 ~ 170 | 110 ~ 170 | 110 ~ 170 | |
| gal/min | 29,3 ~ 42,7 | 29,3 ~ 42,7 | 29,3 ~ 42,7 | 29,3 ~ 45,4 | 29,3 ~ 37,3 | 29,3 ~ 45,4 | 29,3 ~ 45,4 | 29,3 ~ 45,4 | ||
| Air Supply Pressure | MPa | 0,5 ~ 0,9 | - | 0,5 ~ 0,9 | - | 0,5 ~ 0,9 | - | - | - | |
| psi | 72 ~ 130 | 72 ~ 130 | 72 ~ 130 | |||||||
| Max. | High Gear | kN·m | 2,4 ~ 3 | 2,4 ~ 3 | 2,5 ~ 3 | 3,5 ~ 6 | 3,8 ~ 4,2 | 7 | 8,4 ~ 10,7 | 12,5 ~ 14 |
| Torque | ft·lbf | 1770 ~ 2210 | 1770 ~ 2210 | 1844 ~ 2210 | 2580 ~ 4425 | 2800 ~ 3100 | 5160 | 6190 ~ 7890 | 9220 ~ 10325 | |
| Intermediate Gear | kN·m | - | - | 6,0 ~ 7,5 | - | - | - | - | - | |
| ft·lbf | 4425 ~ 5530 | |||||||||
| Low Gear | kN·m | 14,5 ~ 17,5 | 16 ~ 19 | 32 ~ 40 | 22 ~ 37 | 53 ~ 58 | 57 | 48,9 ~ 70,5 | 85 ~ 90 | |
| ft·lbf | 10694 ~ 12900 | 11060 ~ 13270 | 23600 ~ 29500 | 16225 ~ 27285 | 39080 ~ 42775 | 42030 | 37244 ~ 52000 | 62690 ~ 66375 | ||
| Speed | High Gear | rpm | 54 ~ 79 | 50 ~ 72 | 60 ~ 86 | 50 ~ 90 | 56 ~ 70 | 39,4 ~ 60,9 | 26 ~ 43,6 | 30 ~ 45 |
| Intermediate Gear | rpm | - | - | 21 ~ 30 | - | - | - | - | - | |
| Low Gear | rpm | 9 ~ 13,1 | 9 ~ 13 | 3,6 ~ 5,3 | 8 ~ 14 | 4 ~ 5 | 4,8 ~ 7,4 | 4 ~ 6,6 | 3,2 ~ 5 | |
| Lift Stroke | mm | - | - | - | 622 | - | 615 | 622 | 622 | |
| in | 24,5 | 24,2 | 24,5 | 24,5 | ||||||
| Size | mm | 1450 × 760 | 1500 × 760 | 1580 × 900 | 1580 × 900 | 1770 × 960 | 1770 × 960 | 2080 × 1280 | 1995 × 1150 | |
| × 740 | × 800 | × 880 | × 1060 | × 850 | × 780 | × 760 | × 680 | |||
| in | 57 × 30 | 59 × 30 | 62,2 × 35,4 | 62,2 × 35,4 | 69,7 × 37,8 | 69,7 × 37,8 | 82 × 50,4 | 78,5 × 45,3 | ||
| × 29,1 | × 34,6 | × 34,6 | × 34,6 | × 33,5 | × 30,7 | × 30 | × 26,8 | |||
| Weight | kg | 580 | 560 | 780 | 760 | 1150 | 1100 | 1550 | 1700 | |
| LB | 1280 | 1230 | 1720 | 1670 | 2530 | 2420 | 3410 | 3740 | ||