Model: Z-21100.
Type: Z-type coupling (right-angle bracket).
Nominal breaking load: 210 kN.
Material: Hot-dip galvanized steel, stainless steel closing pin.
Weight: Approximately 1.5 kg.
Plate width: 21 mm.
Connection hole diameter: 22 mm (accepts M22 bolts).
Dimensions: 100 mm (height) × 21 mm (width) × 25 mm (thickness).
Applications: Right-angle connections of insulator strings and securing cable terminals to frames in 10kV-35kV distribution lines.
The Z-21100 Clevis primarily functions in power systems, effectively enabling the directional connection of components such as insulator strings by changing the connection direction. The bracket measures 210mm long, 100mm wide, and weighs 3.4kg. Made of iron through stamping and forging, it can be galvanized for corrosion resistance for outdoor use.
The Z-21100 Clevis primarily functions in power systems, effectively enabling the directional connection of components such as insulator strings by changing the connection direction. The bracket measures 210mm long, 100mm wide, and weighs 3.4kg. Made of iron through stamping and forging, it can be galvanized for corrosion resistance for outdoor use. With a breaking load of 210kN, the Z-21100 Clevis ensures structural stability in environments subject to extreme loads. Its four-leg, dual-plate configuration enhances torsional resistance and plays a significant role in distributing stress concentration. Equipped with a Ø30mm slotted interface, it is compatible with national standard bowl-head brackets, insulator strings, and other hardware, making it suitable for a wide range of applications.
We've explained the performance features of each bracket model, and the Z-21100 Clevis offers unique advantages:
Its breaking load is higher than other bracket models. Therefore, we often choose the Z-21100 Clevis for extreme conditions, such as high winds and icing. This ensures structural integrity while ensuring stable power line connections.
Every dimension, from hole diameter to plate width and length, is manufactured to exacting specifications. It mates perfectly with insulators, clamps, and other electrical hardware, ensuring a tight fit and preventing loosening, ensuring reliable line connections.
The right-angle design enables connections at specific angles, making it ideal for connecting overhead transmission lines and substations.
Long-term users of the Z-21100 Clevis may be wondering: Does the bracket perform consistently under different operating temperatures? In fact, performance varies depending on the environment, such as low temperature, room temperature, and high temperature:
As the temperature decreases, the toughness of the steel decreases, leading to an increased risk of brittle fracture of the cladding.
The mechanical properties, toughness, and corrosion resistance are very stable, and the performance characteristics can be fully utilized without significant performance degradation.
High temperatures affect the strength of the steel, reducing both the yield strength and tensile strength. Thermal expansion and contraction can generate significant internal stress in the cladding, potentially causing deformation and even cracking, affecting its service life and the safe operation of the power lines.
When used outdoors in the summer, Z-21100 Clevis can deform in high temperatures. How can this problem be avoided?
Preferably, high-temperature-resistant steels, such as heat-resistant 20CrMoV steel, maintain high strength and stability in environments between 300℃ and 500℃.
Optimize the galvanizing process: Alloy galvanizing or increase the zinc layer thickness to avoid coating failure, which indirectly exacerbates the strength loss of the substrate after high-temperature oxidation. If the Z-21100 Clevis board is used at high temperature for a long time, it needs maintenance to achieve better use effect.
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