Mechanical Couplers and Rebar Threading

In recent years, the need for a more efficient splicing system is becoming more apparent as a result of the increased construction complexities and design requirements. The use of reinforcement rebar couplers can simplify the design and construction of reinforced concrete and reduce the amount of reinforcement required.

Advantages of rebar couplers overlapped joints:

Congestion of rebars with lapped joints, affecting the integrity of the structure. This can be avoided by using couplers.
With the decreasing size of concrete sections, floor spaces are maximized thus increase the value of the building especially in prime development areas.
The transfer of load with lapped joints is entirely dependent upon the bonding of the surrounding concrete. Degradation of concrete could affect the performance of the joint.
With the use of couplers to connect starter bars, damages to the formwork can be avoided.
Material and cost savings as less steel is used.
Greener and ‘lighter’ building.

MOMENT JoinTec Coupler

The Moment JoinTec (JT) coupler ensures full performance splicing joint with its proof stressed bar ends. The extended long thread provides swift installation simply by turning the coupler instead of the bar itself.

While lap splicing depends largely on the bond between concrete and steel to transfer load, MOMENT JoinTec coupler with its unique parallel – thread, assures positive alignment locking connection thus providing a load path of continuity and structural integrity. The Moment JoinTec coupler behaves as a continuous length reinforcement bar by promoting full strength in tension, compression and stress reversal situations.

Stringent compliance with current concrete design standards. The use of MOMENT JoinTec coupler eliminates tedious calculations to determine the proper lap lengths. Moment JoinTec coupler also reduces potential design errors while eliminating wastage and unnecessary rebar cost up to 40%. Apart from that, it also greatly reduces congestions thus maintaining healthy balanced steel to concrete ratio. This is nearly impossible with lap splicing because of the additional rebar in the lap zone.

MOMENT RT Coupler

The MOMENT RT coupler is an alternative threading technology where the thread is rolled as opposed to being cut. It can provide exceptional performance in high cycle elastic fatigue applications, whilst maintaining values in excess of the design strengths of the bar.

The MOMENT RT system, uses the RT coupler and a rolled parallel thread. It is a full strength system, capable of exceeding the nominal ultimate characteristic strength of the bar

MOMENT Weldable Coupler

Effective and safe solution for connecting reinforcement rebars to structural steel elements, the MOMENT Weldable coupler enables a connection between steel and concrete when the structure is composite in nature.

MOMENT Weldable coupler is designed for connecting reinforcing bar to structural steel members such as plates, piles, beams, columns, etc. The coupler is normally arc welded to the structural steel in a fabricating yard. The load conditions at the connection must be considered and determined by the designer along with the design of the weld, the selection of electrode, and other relevant choices to be used, which must be matched to the properties of the plate and tube, and to the site conditions. Normally coupler is arc welded to the structural steel in a fabricating yard.

MOMENT MBC Coupler

The MOMENT MBC range of couplers provides a cost effective method of joining reinforcing bars, particularly when the fixed bar is already in place and there is insufficient space for a hydraulic swaging press. They are easy to install and achieve failure loads higher than 108% of the characteristic yield strength of grade 500 reinforcing bar. Neither bar end preparation to form threads, nor bar rotation required. MOMENT MBC couplers can also be used to join imperial or metric plain round or deformed reinforcing bars, making it ideal for alteration or refurbishment projects.

The bar ends are supported within the coupler by patented reversed teeth inner wall, and as the lockshear bolts are tightened, the conical ends embed themselves into the bar. As this happens the reversed teeth bite into the bar. The lockshear bolts of couplers up to and including the 20mm bar can be tightened using a wrench. For larger couplers, a nut runner is recommended. In all cases, heavy duty sockets should be used.

When the pre-determined tightening torque for the bolts is reached, the heads shear off leaving the top of the installed bolt slightly proud of the coupler. This provides an instant visual check of correct installation.

MOMENT Half Grout Coupler

Specifically made for precast concrete connections, the MOMENT Half Grout coupler system combines the benefits of the JoinTec threaded system, with the flexibility and tolerance of a grout system.

When used together with MOMENT’s proprietary 100MPa grout, the coupler system is a bar break technology and is capable of carrying very high bar loads. On one end the coupler receives threaded rebar, whereas the opposite end provides the flexibility of a grout system. Consist of a one-piece design, the coupler is capable of carrying very high loads.

Qualitative threading services will be provided for a hassle-free application by the contractor.

J Bolts, L Bolts and U Bolts

Our Anchor bolts, J bolts and L bolts are manufactured according to the customer’s requirements.

Long Treading on Steel Bars

Threading work is done by experienced machine operators under supervision of highly qualified technical team.The threads have done by our machines has passed all the quality tests. Our
threading machines can provide high amount of production than lath machines. We do threading for any type of steel for maximum 300mm long.

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