Heavy-Duty Deep-Silo Cable – ZS-7

1. Product Overview

The Heavy-Duty Deep-Silo Cable ZS-7  is engineered for reliable long-distance temperature monitoring in deep vertical storage environments. It is suitable for:

• Grain silos: 10–40 m
• Coal silos: within 10 m
• Lime silos: within 20 m

Built for extreme conditions, it offers superior strength, long service life, and easy maintenance.

2. Exceptional Tensile Strength 

A major advantage of the Heavy-Duty Deep-Silo Cable is its outstanding tensile capability.

• Withstands over 7 kN (7 tons) of pulling force
• Resists compaction pressure in full-load silos
• Maintains stability under long-term friction, vibration, and downward load

This strength far exceeds typical monitoring cables in the same class.

3. 30-Wire Armored Protection Layer

The ZS-7 features a high-grade armored structure made of 30 steel wires woven around the cable.

Benefits include:

• Superior plasticity and deformation resistance
• High durability even when fully surrounded by grain or other materials
• Maintains flexibility for smooth replacement and long-term reliability

The armored sheath forms a rigid yet adaptive mechanical barrier that protects internal components under extreme load.

4. Replaceable-Core Modular Design

The cable adopts a professional two-part modular structure, consisting of:

• A high-strength armored outer sheath, built from 30 tightly wound steel wires that form a protective mechanical barrier.
• An independent temperature-sensing inner core, responsible for collecting accurate temperature data along the silo's depth.

This modular architecture enables users to perform maintenance without dismantling or lifting the entire cable, even when the silo is completely filled. When the internal sensor core becomes damaged due to aging, pressure, or accidental impact, users can:

👉 Extract and replace only the inner core through the top of the silo
👉 Avoid removing or disturbing the armored outer layer
👉 Eliminate the need to pull the full-length cable out of the silo

This maintenance-friendly design significantly reduces downtime and technical workload. Most importantly, it prevents the costly and time-consuming process of unloading stored grain, coal, or lime, which is normally required when replacing traditional integrated-type temperature cables. As a result, operators benefit from lower maintenance cost, safer service operations, and uninterrupted monitoring even under full-load conditions.

5. Summary

The Heavy-Duty Deep-Silo Cable ZS-7 delivers:

High tensile strength

Robust armored protection

Convenient replaceable-core serviceability

It is the ideal solution for high-pressure, full-load temperature monitoring in industrial deep-silo applications.