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Model TQ178/16 TQ340/35 TQ356/55 TQ178/16Y TQ340/35Y TQ356/55Y TQ508/70Y TQ610/60Y TQ340/85Y
Size range (inch) 4″-7″ 4 1/2″-13 3/8″ 4 1/2″-14″ 4″-7″ 4 1/2”-13 3/8″ 41/2″-14″ 9 5/8″-20″ 9 5/8″-24″ 4 1/2″-13 3/8″
Max working pressure (Mpa) 18 18 16.6 18 20 20 20 18 18
working flow Rate (l/min) 110-160 110-160 110-140 110-160 110-170 110-170 110-170 120-180 110-170
Air pressure (Mpa) 0.5-0.9 0.5-0.9 0.5-0.9 / / / / / /
Max torque (Kn.m) 16 35 55 16 35 55 70 60 85
Jaw speed (RPM) 9-79 3.5-86 4-70 9-79 8-90 4.8-61 4-43.6 5-45 3.2-45

TQ series of casing tongs are widely used for making-up or breaking-out of casings or pipes. The casing tong features high-efficiency, safety, reliability, labor-saving, and can ensure connection quality. Tong head is designed as open and is fitted with two jaws which can ensure reliable gripping. Air type clutch is utilized as gear shifting mechanism, so it is possible to change gear under running. The series of casing tongs can be configured with torque device to perform computer monitoring and managing on pressure, torque and rounds. The casing tong has been granted with National Invention Patent. The casing tongs are designed and manufactured according to SY/T5074 and API Spec 7K “Specification for Drilling Equipment”

Casing Power Tong Drawing

Item Part name and description
1 Break out
2 Spring hanger assembly
3 Hanging bracket
4 Hydraulic motor
5 Hydraulic torque measuring device
6 Safety door
7 Reverse pin
8 Brake band
9 Transmission gear case
10 Jaw  assembly
11 Speed-measuring  gear
12 Hydraulic  system
13 Shifting mechanism
14 Support foot
15 Torque cylinder
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Please send us your inquiry with detail item description or with Model number. If there is no packing demand we take it as our regular exported standard packing. We will offer you an order form for filling. We will recommend you the most suitable model according to information you offered.

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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.