Model NJ273-45 premium thread tubing coupling bucking unit

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Price:RUB 11,149,065.00
Price in USD:Details


Product Overview


Model NJ273-45 premium thread tubing or casing coupling bucking unit

Product Description


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 parameter


Model NJ178-20



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
Product Overviews

 Model NJ273-45 premium thread tubing or casing coupling bucking unit 2.jpgModel NJ273-45 premium thread tubing or casing coupling bucking unit 1.jpg


Company Information

Lake Petro is located in Dongying City, which is famous for Shengli Oilfield and the largest manufacturing hub of petroleum equipment in China. Following the principle of “quality first, science and technology innovated, people oriented”, every Lake Petro person is sparing no effort to provide the customers with best products and services. Our products are based on advanced production line and testing equipment, our products are designed and manufactured according to certification of API, ISO, GOST, etc.f 


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. 


Contact information:


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