The HK KZS-D calcium silicate block clamp is our heavy-duty clamp without centre of gravity positioning for partial packs. The hydraulically damped wide-pivoting suspension can be locked by solenoid valves so the clamp can be held rigidly in position while partial packs are picked up and rotated. It also enables accurate manoeuvring when placing elements in the storage depot.

Our JKB HK KZS-D calcium silicate block clamps are robustly constructed, with each clamp arm comprising eight or more vertical beams and five or more large pivot points.
The clamp can be fitted with clamping arms with single or double black or white PU pads at the bottom. Single or double row of plastic clamping blocks (hinged suspended) are also available. This means the clamping arms are extra strong and straight. With this double row of hinged clamping blocks, the elements are suspended more stably in the clamping jaws.
If two layers need to be picked up together, the clamp can be fitted with additional top layer supports. These are mounted halfway up the ends of the clamping jaws using a sprung pressure plate that holds the outer element.

Benefits of the HK KZS-D  calcium silicate block clamp:

  • Robust construction
  • One clamping cylinder can be disengaged when picking up partial packs.
  • Extremely stable clamping
  • Clear view of the clamp and surroundings through the clamp structure.

Download the JKB brochure for free and contact one of our sales specialists for more information

Why choose JKB:

  • Quality, reliability and safety
  • Innovation and sustainability
  • Expertise and customization

Download brochure JKB Handling

Download brochure
JKB Handling


There are various ways of attaching the clamp to the forklift, each with its own advantages. It can be attached using:

  • FEM/ISO crane arm
  • Integrated crane arm

Depending on the selected suspension, we can increase the functionality of the clamp still further to allow:

  • Rotating
  • Side shifting
  • Telescoping

Capacity: 5,000 – 6,000 kg
Max operating pressure: 140 bar / 14 MPa (opening/closing)

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