PC (Precast Concrete) Coupler
HOME > >
Features
- Coupler designed for precast construction.
- Connects rebar even when centerlines do not align, absorbing up to 10 mm of center tolerance.
- Absorbs 15–30 mm of length tolerance.
- Threaded fastening draws both rebars together in the compression direction.
- Verified for tensile, yield and low-cycle fatigue testing.
- Minimized residual deformation.
- Easy assembly and installation enable standard site crews to install it.
- With preassembly, on-site fastening can be completed in less than 30 seconds.
Specifications
| Type | A | B | C | D |
|---|---|---|---|---|
| D13 | 55.0 | 50.0 | 22.0 | 90.0 |
| D16 | 60.0 | 55.0 | 26.0 | 100.0 |
| D19 | 71.0 | 60.0 | 30.0 | 115.0 |
| D22 | 80.0 | 65.0 | 32.0 | 130.0 |
| D25 | 90.0 | 70.0 | 35.0 | 145.0 |
| D29 | 105.0 | 75.0 | 40.0 | 165.0 |
| D32 | 120.0 | 80.0 | 43.0 | 180.0 |
| Tolerance | ±1.0 | ±0.5 | ±0.5 | - |
Unit: mm※ Dimensions may change due to product improvement or manufacturing process changes.
Components
-
Nut Coupler
-
Bolt Coupler
-
Sleeve
-
Knob
Installation Steps
-
1. Insert the coupler onto the rebar to be connected.
-
2. Position the knob after the first rib of the rebar.
-
3. Hand-tighten the sleeve and knob. Repeat loosening and tightening in the reverse direction two to three times for complete fixation.
-
4. Tighten the sleeve and knob on the opposite rebar in the same way.
-
5. Lock the coupler, then tighten it with a pipe wrench to complete the connection.