Spaciaz

Crimpfit Couplers

Vruddhi CRIMPFIT couplers are mechanical splices used to extend two non-threaded reinforcement bars using a hydraulic crimping process. They create a permanent, high-strength mechanical interlock for rebar splicing. These couplers are ideal where lap length is not available in beams, columns, piles, and other RCC elements.

How Grouted Couplers Work

Precast elements are manufactured with couplers and protruding rebars, then assembled on site. Rebars are inserted into the coupler cavity and filled with high-strength non-shrink grout. After curing, the connection achieves strong load transfer and structural integrity.

Features

Suitable for connecting rebars of same or different diameters with no welding required. Available for Ø16 mm to Ø40 mm rebars and compliant with IS codes (instead put coded number). Installation support is provided by our skilled technical team.

Applications

The Crimping Process

A crimping sleeve is placed over rebar ends and marked for extrusion. A hydraulic press applies pressure to deform the sleeve, creating a mechanical interlock. The joint can achieve up to 100% parent bar strength in tensile tests.

On-site Preparedness for Crimpfit

Minimum horizontal rebar spacing should be 105 mm and casted rebar length should be at least 250 mm. Rebar surfaces must be free from coatings, and a three-phase power supply is required near the machine.

Applications

In the demanding world of construction and infrastructure development, Rollfit rebar couplers have emerged as the gold standard for mechanical rebar splicing. These advanced coupling systems provide exceptional structural performance, ease of installation, and long-term reliability that traditional connection methods simply cannot match. When your project requires precision-engineered reinforcement connections that deliver consistent strength and durability, Rollfit couplers offer the proven solution trusted by contractors and engineers worldwide.

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