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ZTS Series Slurry Pressure Balance Shield

ZTE Series SPB is one of National 863 Program’s key projects, as well as one of the State Department’s 16 national key technical equipments. It is independently researched & developed based on existing EPB’s mature manufacturing & application technology, it is to meet construction requirement of city metro tunnel, diversion tunnel, city underground pipe network, hydropower tunnel and etc. 
CRCHI makes full use of CRCC’s abundant tunnel construction experience, in the field of TBM, developed its own advanced system integration and manufacturing technology, attended national big diameter TBM science & technology support project and ...
Product Name:
ZTS Series SPB

Product Category:
According to the dimension of shield diameter, ZTE Series SPB can be divided into small SPB(or pipe-jacking, <5m), normal diameter SPB(5m ~ 8m), large diameter SPB(8m ~ 11m).

Product Introduction:
ZTE Series SPB is one of National 863 Program’s key projects, as well as one of the State Department’s 16 national key technical equipments. It is independently researched & developed based on existing EPB’s mature manufacturing & application technology, it is to meet construction requirement of city metro tunnel, diversion tunnel, city underground pipe network, hydropower tunnel and etc. 
CRCHI makes full use of CRCC’s abundant tunnel construction experience, in the field of TBM, developed its own advanced system integration and manufacturing technology, attended national big diameter TBM science & technology support project and Hunan province heavy equipment development science & technology support project. After several years’ R & D experience, now CRCHI has already fully acquired EPB’s technology of designing, manufacturing and application
Based on the reality of domestic tunnel construction, CRCHI optimized its series design to meet the requirement of different excavation diameter; There are two optional driving method for cutter head: electrical motor driving of variable frequency and hydraulic motor driving.
According to different geology condition, the designing proposal provided by CRCHI’s R & D can satisfy geology adaptability, using economical efficiency and product reliability. CRCHI can provide excellent after-sales service and technical support. 

Product Features:
The series type are widely used in different geology condition of soft & hard compound stratum, especially matching the tunnel construction with high pressure aquifer and strict settlement requirement. Its characteristics are high advance rate and high safety security. It can be widely used in city metro, road, diversion tunnel works and other tunnel construction work. Some key technology, including control software, system integration and parameter matching, are all independently developed by CRCHI, the TBM can fully achieve reliable performance and convenient operation.

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