- Tensioner for construction machine also coule be called Recoil Spring Assembly.
- It is consist of hydraulic system, recoil spring and connection parts.
- Exclusive seal group ensure no oil leakaging, providing a stable status of hydraulic system for any working conditions.
- The application of automatic in furnace roll-over device in roller hearth electric furnace can make the burning of material well-proportioned ,as a result the finished spring performs more stable.
- Most popular is KOMATSU and HITACHI series.
- Komatsu: PC55、PC60、PC120、PC130、PC200-6、PC200-7、PC220-6、PC220-7、PC300-6、PC300-7、PC400、D31PX-21
- Hitachi: ZX120、ZX200、ZX200-3
- Kobelco: SK120-3、SK200
- Caterpillar: CAT320D
- YANMAR: B15