• The difference between national standard cable and non-standard cable

    The difference between national standard cable and non-standard cable

    18-05-2018

    Cables and wires are generally used in the use of engineering users and construction projects: 1. National standard cable: The cable produced according to the relevant cable standard technology issued by the country is abbreviated as international line. 2. Line Labeling: According to industry standards, there is mainly less cutting and cutting, but it does not affect the large performance. 3, non-...

  • Circuit construction process introduction

    Circuit construction process introduction

    11-05-2018

    Interpretation of 1 and 4F (4 effective preventions): (1) Slotting is shallow, and it is a secondary reform project to effectively prevent the cutting off of the reinforcing steel home improvement engineering circuit construction. The circuit construction should minimize the damage to the main structure of the building, and it should reach the proprietary single-tube single-line pipe laying constr...

  • Circuit construction cable necessary knowledge

    Circuit construction cable necessary knowledge

    04-05-2018

    Circuit construction process: According to the design requirements put line → circuit budget → open digging dark trough and wall through hole → pipe gauge cutting → pipe support bracket installation → water pipe pre-installation → formal installation and fixation → test water, pressure. Circuit construction precautions: 1. Circuit construction Confirm the line of the circuit that is expected to be...

  • What is the difference between wire VVR and RVV?

    What is the difference between wire VVR and RVV?

    28-04-2018

    The voltage level is not the same. RVV rated voltage 300/500V soft wire, cable conductor section is generally between 0.5-2.5, the number of core cable 2-5 core, the implementation of the national standard GB/T 5023-2008 standard manufacturing. VVR generally has a voltage level of 0.6/1kV, which is the same as the VV structure. The conductor cross section is from 1.5-630mm2, and the number of cabl...

  • Aluminum alloy cables have natural defects in fire protection and corrosion protection

    Aluminum alloy cables have natural defects in fire protection and corrosion protection

    20-04-2018

    From the perspective of the characteristics of aluminum alloy cables, aluminum alloy cables have natural defects in fire protection and corrosion protection. Performance in the following areas: 1, corrosion resistance, 8000 series aluminum alloy is not as good as aluminum GB/T19292.2-2003 Standard Table 1 Note 4: Aluminum alloy corrosion resistance worse than ordinary aluminum worse than copper, t...

  • Tensile wear-resistant gantry cable

    Tensile wear-resistant gantry cable

    12-04-2018

    Model: Gantry crane cable Cable application Reel Cable: Suitable for large-scale lifting appliances, tower cranes, stackers and reclaimers, gantry cranes, cranes, portals, bridges, cantilever-type cranes, rocker cranes, quay cranes, dumpers, bucket wheelers, reels, transports Machines, conveyors, harvesters, mobile cranes, overhead cranes, electric scrapers and cables for all kinds of large-scale ...

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