Features

The shaft seal component is a patented products of our company . The reliable and practical function of the products is widely recognized by the majority of users. It can not only prevent the groundwater entering the inside of the chamber , but also can shield the insulation from the insulation layer of adjacent pipe to avoid affecting the operation and maintenance when the failure occurred, it ensures  the  normal use of pipe and related components inside of chamber . It provides the guaranty for the reliable operation.

Product advantage

The product resolves the problem of leakage water of shaft wall completely

 Recommend application:

It is suitable for the arrangement of well chamber with higher water level

 Reference standards

CJ/T 200-2004"Preformed directly buried steam insulating pipes technical-specification for heating in city "

CJJ/T104-2012 "Technical specification for directly buried  steam heating pipeline in city "

GB/T 29047-2012 " Prefabricated directly buried insulating pipes and fittings with polyurethane foamed-plastics and high density polyethylene casing pipes"

GB/T 29046-2012 "The methods for technical specification for pre-insulated directly buried district heating pipes"

CJ/T 129-2000"Preformed directly buried insulating pipes with polyurethane foamed plastics and glass fiber reinforced plastics protect layers"

Other standards are available upon customer request