| Applicable Industries: | Machinery Repair Shops, Retail, Energy & Mining |
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| Transport Package: | Standard Export Package |
| Specification: | 10KG |
| Trademark: | Lake Petro |
| Origin: | China |
| Samples: |
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| Customization: |
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Audited Supplier 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.
| Model | NJ178-20 | NJ180-30 | NJ273-45 | NJ340-55 | NJ508-70W | NJ760-134W |
| Application range | 60.33~177.8mm | 60.33~273mm | 60.33~340mm | 177.8~508mm | 340~762mm | |
| 23/8″ ~ 7″ | 23/8″ ~ 103/4″ | 23/8″ ~ 133/8″ | 7″ ~ 20″ | 133/8″ ~ 30″ | ||
| high gear torque | 0.7KN.M | 5KN.M | 18KN.M | 27KN.M | 70KN.M | 110KN.M |
| low gear torque | 20KN.M | 30KN.M | 45KN.M | 55KN.M | ||
| Mechanical shift gear | high shift gear: 10~24rpm | 2~12rpm auto variable speed | ||||
| low shift gear: 4~12rpm | ||||||
| Dual-pump | high shift gear: 1~12rpm | |||||
| auto-shift | low shift gear: 0.5~6rpm | |||||
| Center Height (mm) | 900 | 1110 | 1150 | 1250 | 1450 | |
| Hole Dia. (mm) | 260 | 360 | 420 | 565 | 820 | |
| Back tong's trip (mm) | / | 600 | 400 | 500 | 700 | 1000 |
| Rated pressure | 16 | |||||
| Max. pressure | 31.5 | |||||
| Max. flow | 120 (large pump) | 160 (large pump) | 160 | 250 | ||
| Lpm | 40 (small pump) | 63(small pump) | ||||
| dimensions (mm) | 1500*1040*1471 | 2520*1100*1695 | 2520*1100*1695 | 2760*1332*1830 | 3318*1240*2086 | 2500*2180*2689 |
| weight (kg) | 4000 | 4500 | 5000 | 6000 | 8000 | |
| Torque Recorder | ZKN-N203 | ZKN-N303 | ZKN-N463 | ZKN-N563 | ZKN-N703 | ZKN-N134 |
| dimensions (mm) | 980*685*1080 | |||||
| weight (kg) | 120 | |||||
| Power Unit | YDZ120/40-22 | YDZ160-37 | YDZ250-37W | |||
| Overall Dimensions (mm) | 1750*1080*1140 | |||||
| Total Weight (kg) | appr. 2000 | |||||
How can I place order?
A: You can contact us by email about your order details, or place order on line.
How can I pay you?
A: After you confirm our PI, we will request you to pay. T/T (HSBC bank), L/C, D/P, Western Union are the most usual ways we are using. If you want to use other way, please tell me, we can discuss.
What's the order procedure?
A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr-epaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 7-15days if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.
How do you take care when your clients received defective products?
A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.
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Audited Supplier 
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