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Hebei Yida Reinforcing Bar Connecting Technology Co.,Ltd

Anti Impact Rebar Coupling System 

1.Hebei Yida Anti Impact Rebar Coupling system is divided into the following types：

（1）ACJ Standard Coupler 2.1

（2）BCJ Transition Coupler 2.2

（3）FCJ Positive and negative Thread Coupler 2.3

（4）KCJ Adjustable Coupler 2.4

（5）MCJ Anchorage Terminator Coupler 2.5

2. Introduction

Hebei Yida Anti Impact Rebar Coupling system is a mechanical rebar splicing system, be made of high quality alloy steel. It has already passed the High Speed Tensile test of Anti instant impact by Germany Berlin BAM Laboratory. It has been widely applied at the sites where required high level of resistance to impact. The coupler sleeve will be perfect connected with rebar by cold swaged deformation in the application, and dual couplers will be connected by a high strength bolt.

Special Advantages：

（1）Each rebar is connected by cold swaged with a coupling, It was processed by large-tonnage hydraulic machine and unique split mould to ensure high quality and reliable radial deformation swage. Connection of rebar with coupler after swaged as shown in Figure 1.

Figure 1

（2）Rebar sleeve bond press is done prior to site connection saving precious site time.

（3）The two sleeves are connected through a high-strength bolt, quality ensured.

（4）Installation on site is easy and fast, even in dense cages. No X-ray check is needed and installation can be done in any weather conditions.

（5）No thread cutting, no need heat or pre-heat on rebar, hence the rebar retains its original characteristics after splice.

（6）The Yida ACJ rebar coupling system stands complex or full tension as well as full compression state.

2.1ACJ Standard Coupler

ACJ standard coupler is made up by two standard sleeves and one standard bolt (as shown in Figure 2), suitable for same diameter rebar connecting. The Yida ACJ is suitable for general application such as beams or walls where the rotation

of the rebar is possible. Screw the bolt into one sleeve firstly, then rotate one rebar to screw the other bolt end into the other sleeve.

Figure 2

Characteristic：ACJ coupler uses standard female (sleeve) only, making rebar press more efficient as there is no need to specify different sleeves.

Application Guide：

Proper installation is very important to ensure the design load will be reached in the application. Yida strongly recommends that the installation and site quality check be done according to the required guidelines and dimensions.

• Rebar And sleeves swaged connection

Using hydraulic machine and unique split mould to swage sleeve deformation, formed the seamless connection with rebar and the swage length is to meet the standard swage length. Shorter swage length reduces the bond, while longer swage length may shorten the engagement length of the thread.

• Site installation method

Step 1：Screw the bolt into female coupler swaged with rebar, till unable to screw continually. As shown in Figure 3.

Figure 3

Step 2：Screw another side of bolt into the other sleeve after swaged with rebar, till unable to screw continually. As shown in Figure 4. 

Figure 4

Step 3：With help of two pipe wrench, tighten the connection by turning both rebar / couplers in opposite direction at the same time.