Corrugated tube expansion joints are single or multi-layer stainless steel expansion joints with higher expansion absorption and lower spring rates. Corrugated tube expansion joints are used e.g. in exhaust, district heating and blast furnace pipe work, in mechanical, appendix and apparatus engineering as well as in industrial or sprinkler installations.

Corrugated tube expansion joints are stainless steel corrugation designed contributing to the solution of piping system problems. It is used to absorb pipe movements, relieve stress, reduce system noise/vibration, compensate for misalignment/offset and protect rotating mechanical equipment against start-up surge forces. Assemblies are designed for both high and low temperatures.

It is made of SUS304 material, multiply bellows with features of lower elasticity coefficient, high-temperature and high-pressure resisiting, applied to absorb the expansion or copression of the HTM fluid pipeline. It can make a long service life in piping system.

Kosga has over 40 years design experience in manufacturing the industrial pipe fittings, such as the rubber expansion joint, metal expansion joint, dismantling joints, pipe valves, etc.

All the metal expansion joints comfirm with the international standards, such as GB, ISO, DIN, ANSI, BS, JIS, as well as customers'special demand.

Main Advantages:
·Compensate misalignment, absorbs vibrations in the pipeline
·Directional Movement Absorbing
·Wide Size and Service Range
·For both high and low temperatures
·Materials available upon request

Founded in 1979 and rising rapidly, it has professional level and mature technology in the field of wear-resistant rubber. It is our constant pursuit to rely on science and technology for development and continuously provide customers with satisfactory wear-resistant rubber lining products for mills. On the basis of introducing the international advanced technology for designing and manufacturing wear-resistant rubber for mills, KOSGA Has developed various kinds of AG, SAG and ball mill rubber linings which are suitable for all mill brands in the current market and have been certified by ISO 9001 Quality Management System, and have been widely used in many fields such as mining, metallurgy, chemical industry, power plant, cement etc. With first-class product quality and exquisite technical service, it has received unanimous praise from Customer.

In the process of development, company has continuously exchanged and cooperated with many domestic departments and institutions. Its design, production, maintenance, commissioning and engineering renovation capabilities have been rapidly improved and its scale has been expanding. Professional R&D institutions and technical teams make us the world’s first-class mill rubber lining company. Thanks to our high-quality products and excellent customer service, we have gained a global sales network and exported our products to North America, Europe, Africa, South America and other countries.

Quality is an essential in manufacturing. No matter how varied the requirements, it is imperative to manufacture products that meet customer’s needs and are of the highest quality. For over 40 years KOSGA has manufactured a diverse array of Wear resistant rubber mechanical parts. This experience shows the history of our constant challenge to ensure quality.

The manufacturing industry has undergone major transformation in the 21st Century. We provide quality by grasping the true nature of this change and responding to various market demands with sincerity and relentless effort. KOSGA remains dedicated to high quality in order to build a prosperous society and future.