Welcome to Mana Precast
| Parameter | Value |
|---|---|
| Mould Type | Box Culvert Mould |
| Mould Material | Q345B steel |
| Designed Service Life | 2000 cycles |
| Facing plate thickness | 8 mm |
| Clamping Method | Pins / Bolts / Hydraulic |
| Embedded Part Fixing Method | Welding / Bolting / Magnetic Fixing |
| Dimensional Tolerance | ±1.0 mm / m |
| Flatness Tolerance | ≤ 1.0 mm / m |
Precast box culverts are widely used civil engineering structures for drainage systems and for road or railway crossings over watercourses.

Faster construction: Precast components significantly accelerate the construction process.
Quality control: Factory production ensures consistent quality control.
Cost-effectiveness: Mass production helps reduce overall costs.
Durability: Precast concrete offers excellent durability and corrosion resistance.
Our box culvert mould is a high-quality product engineered to withstand harsh operating conditions, ensuring continuous production without deformation or slurry leakage. The finished culverts exhibit a smooth surface finish with no air voids and have been widely adopted by precast plants following extensive application and refinement.
Material Specification: Fabricated from Q345 high-tensile steel; the refined surface finish ensures superior cast quality, high dimensional accuracy, and exceptional wear resistance under heavy industrial use.
Precision Manufacturing: Produced using advanced CNC infrastructure, including laser cutting, high-capacity press brakes, gantry milling, and digital boring to ensure consistent component tolerances.
Sealing Integrity: Engineered with precision-aligned mould joints and integrated elastomeric sealing strips to ensure a leak-proof seal during the casting process.
Operational Efficiency: Features quick-release clamps and trapezoidal spindles for streamlined mould opening and closing, reducing manual intervention and accelerating cycle times.