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3000 kN Semi-Automatic Concrete Press | Compression Machine

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The CT0070S semi-automatic concrete testing machine is the go-to tool for civil engineering laboratories and concrete plants seeking a robust, reliable, and cost-effective compression testing solution. Its 3000 kN capacity covers all compression testing needs on cubic or cylindrical specimens, while ensuring Class 1 measurement accuracy.
Benefit from the power and rigidity of a 300-ton press with a simple semi-automatic control system, minimizing the costs of complex electronic maintenance.
The robust protective enclosure shields the operator from any risk of concrete splatter at the precise moment the specimen breaks. Industrial hydraulic components and ground hardened steel plates designed for heavy-duty use in dusty environments.

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CT0070S

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  • High Breaking Force: Maximum capacity of 3,000 kN (300 tons), perfectly suited for crushing high-strength concrete (HSC) and conventional structures.
  • High-Rigidity Frame: A monoblock welded test structure with high mechanical strength, ensuring minimal deformation under load and perfect stability of the compression axes.
  • Ergonomic Digital Console: Real-time display of applied force and mechanical stress, with storage of the maximum load at break.
  • Semi-Automatic Control: Motorized hydraulic unit equipped with a fine-tuning flow control valve for precise and consistent control of the loading speed.
  • Maximum Operator Safety: Equipped as standard with a reinforced transparent safety door to protect against flying debris and splinters in the event of a specimen break.
  • The CT0070S hydraulic press is designed to verify the compressive strength classes of your concrete mixes in accordance with strict construction industry standards:
    • Compression Crush Tests (NF EN 12390-3): Determination of the compressive strength of hardened concrete specimens after their curing cycle in a curing tank or climate chamber.
    • Quality Control at the Ready-Mix Concrete Plant (RMC): Regular and regulatory monitoring of ready-mix concrete production at 7, 14, and 28 days.
    • Civil Engineering Site Audits: Verification of the compliance of concrete poured on engineering structures, industrial buildings, and road infrastructure.
  • Product Code: CT0070S
  • Operating Type: Semi-automatic (motorized hydraulic unit with manual speed control).
  • Maximum Load Capacity: 3,000 kN (Class 1).
  • Sample Compatibility: Standard cylinders (110 x 220 mm, 160 x 320 mm) and cubic molds (100 mm, 150 mm) using appropriate shims.
  • Load Plates: Made of ground special steel, heat-treated to achieve high surface hardness and minimize premature wear.
  • Electrical Safety Features: Safety limit switch for the piston and a push-button emergency stop switch.
  • Power supply: 230 V / 400 V - Three-phase - 50 Hz (depending on configuration).

"Adhering to the loading rate is crucial for the validity of your legal tests. Technical tip: According to standard NF EN 12390-3, the load must be applied continuously at a constant rate of 0.6 ±0.2 MPa/s. Thanks to the micrometric valve on the CT0070S console, the operator can adjust the hydraulic flow very precisely to stabilize the needle within this regulatory range. Metrological reminder: To ensure your test reports are legally enforceable and compliant with quality audits, this compression machine must undergo annual Class 1 calibration using our force transducer calibration kit (Ref. CT0055)."