air spring

Support bar is also called balancer.Its characteristic is the establishment of pressure energy reserve obtained by injecting high-pressure nitrogen gas.Special seal, piston rod and outer tube together make up of a dependable seal system, which enjoys such advantages of big lift but small volume, big working stroke but small lift change, steady operation and convenient installation as compared with the mechanical spring. It is widely used for open of trunk compartment and rear trunk door of cars or applied in various kinds of modern automated machinery equipment such as aviation storage rack, printing machinery, woodworking machinery and textile machinery etc.