The bridges of the world look at China, and the bridges in China look at Guizhou. This is a popular saying in the bridge industry.

Today, 6 sets of Hanpu electric torque wrenches ordered for the Tongzi River Bridge Project in Guizhou were delivered. Thank you for your trust and support for Hanpu Electric Wrench.

On September 29, the last steel truss girder of the Tongzi River Bridge on Jinrentong Expressway in Guizhou was successfully erected, the bridge closed smoothly, and the main structure of the Tongzi River Bridge was completed. Jinrentong Expressway Tongzi River Bridge is located at the junction of Renhuai City and Tongzi County. It spans the Tongzi River with a total length of 1422 meters, a main span of 965 meters and a main tower height of 208 meters. The main bridge is a double-tower single-span steel truss suspension bridge. It is an important control project across the board.

The Hanpu electric torque wrench PN-5 and TN-7 ordered by the customer are special power tools for bridges.

Electric torque wrench PN-5 has a torque range of 200-500N.m and a weight of 4.5KG, suitable for the initial tightening of M22 bolts;

The electric torque wrench TN-7 has a torque range of 350-700N.m and a weight of 4.7KG, which is suitable for the final tightening of M22 bolts.

The specific parameters are as follows:

Model	Freq	Voltage	Max Current	Max Power  Consumption	Torque  Range	RO Speed(min-1）	Body Weight	Protect   Class	Suitable   Bolts
PN-5	50- 60Hz	230V/115V	7A/14A	1650W	200-500N.m	15.5rpm	4.5kg	Double Insulation	M22 initial tight
TN-7	50-60Hz	230V/115V	7A/14A	1650W	350-700N.m	15rpm	4.7kg	Double Insulation	M22 final tight

For bridge special spanners, we also have many models, such as PN-3, TN-5; PN-7, TN-12; PN-12, TN-21. If you want to know more about our products, please feel free to send Inquiry to us.

The Hanpu electric torque wrench is small in size, light in weight, simple in operation and easy to carry, suitable for the fastening of high-strength bolts of bridges.

The torque wrench produced by Hanpu uses a digital display controller, which can precisely control the torque, and the repeatability is as high as ±3%. When the operation reaches the preset torque value, the wrench will automatically stop running.

Hanpu Power Tools also has other wrenches suitable for various bolts, such as electric torsion shear wrench, manual torsion shear wrench, manual torque wrench, hydraulic wrench, etc. You can also customize it according to your needs. At the same time, Shandong Hanpu also produces various professional testing tools for bolts and wrenches. The testing and analysis procedures are optimized, and the digital instrument displays various values in real time, exceeding expectations to meet the technical requirements of the project.

Various hardware tools produced by Shandong Hanpu Machinery Industry Co., Ltd. have a wide range of applications, such as electric power construction, bridge construction, metallurgical construction, chemical construction, high-rise buildings, mechanical equipment installation, wind power construction, nuclear power construction, oil pipelines, railway construction, automobile assembly and other steel structure installation industry.

If you have any questions, please feel free to contact us,

Email: info@hanputool.com    or    WhatsApp: +86 18653495537