Features: 

Rubber ring seal sleeve compensator  integrates  tail pipe, outer pipe, core pipe, sealing ring and flange gland. The product adopts hydraulic-piston principle. The rubber sealing ring is the main seal material, the product is also called  "maintenance free directly buried sleeve compensator" due to the special seal structure.

The working surface of the inner sleeve adopts special hard protective coating, which not only has high anti abrasion ability, but also  improves the corrosion performance of the compensator to acid, alkali, seawater and other corrosive media , greatly improves the reliability and service life of the product. 

Recommend application:

District heating, District cooling, Petrochemical industry, Electric power construction, Metallurgical mines, LNG, Nuclear power and other pipe network systems with high safety requirements

Reference standards

CJ/T487-2015 "Sleeve compensator for district heating system "