Sona Comstar serves as the primary supplier of hydraulic dampers to the Indian Railways, a component of significant operational importance.
Technical characteristics
Type of End Mountings
- • Rubber disc
- • Rubber flange type mountings
- • Spherical block/silent block type mountings
- • Articulated bearing type mountings
- • Bonded/ Non bonded rubber sleeves with Steel bush mountings
Damping Force Range
- • 100 Kgf- 2500 kgf at up to 0.6 m/s velocity max.
- • Low speed (0.01 m/s min) and high Force (upto 2000 kgf) for YAW damper type applications.
- • Multi speed characteristics
Family sizes
- • Max. extended length 1100 mm
- • Min. compressed length 200 mm
Durability
- Comstar Hydraulic dampers give extended intervals of overhaul, hence lower maintenance cost.
Manufacturing and
testing facility
- • Servo Hydraulic Performance cum Endurance Testing Machine
- • Damper strength testing machine
- • Vibration testing Machine
Product range
- • Primary Vertical Damper
- • Secondary Vertical Damper
- • Secondary Lateral Damper
- • YAW Damper
Salient features
- • Extremely long service life (special rod guide bush & non- metallic wear rings)
- • Robust construction (forged eyes, induction hardened piston rods)
- • Easy and simple to overhaul
Reconditionable
- Designed for easy and trouble free maintenance and can be reconditioned on site. Escorts has assisted many railways in setting up reconditioning shops.
- Escorts also supplies complete kit for reconditioning of Hydraulic Dampers including Testing Equipment, Tooling and Fixtures required for reconditioning.