& does relevant recommendations: casing expansion, flexible tube expansion is gongyi city full state pipeline equipment co., LTD. The main business of our company has been made as a special equipment manufacturing license and ISO quality management system certification of qualified companies, the company management concept: the factory in order to "customer needs is our goal" principle, wholeheartedly for the customers with excellent products, reasonable prices, fast delivery cycle, professional technical support and perfect after-sales service. In the future, full state is full of confidence and hope, was determined in a more high quality brand and good service, sincere cooperation with customers at home and abroad, to do the northern area of the thermal compensation smoke duct equipment industry's first brand.


Schematic diagram of casing expansion


The description of the casing expansion
1. RS flexible expansion pipe solves the original casing pipe type expansion does not produce the problem of Angle, this product is the largest Angle of 5.85 degrees;
In the table 2. The length of the numerical value, are without Angle values;
3. The casing expansion by the rubber ring seal, telescopic device itself can't bear axial tension, it generally installed in a straight line. If close to bend or butyl words tube installed should set the piers, lest the expansion pipe pulled off and leakage;
4. Casing expansion of single plate of short tube can be substituted for straight tube diameter cast iron;
5. Size of flange connection using GB2555-81 standard.

The technical data of the casing expansion