We could provide YJA Series Hydraulic Rail Clamp for port machinery project which is ZPMC spare parts.

Type:YJA Series Hydraulic Rail Clamp

Min.Width of Slot (mm):6

Max.Clamping Force (KN):560

Operating condition:

  • Ambient temperature: -20~40 ℃;
  • Hydraulic power unit drive power supply:3 phases AC AC380V 50Hz or AC460V 60Hz;
  • Hydraulic power unit control power supply: AC220V 50Hz or AC270V 60Hz;
  • Limit switch power supply: AC125~250V;
  • Operation mode:discontinue mode,short-time action,low frequency.


Rail clamps are used for storm braking in working and un-working state of all kinds of outdoor rail cranes, trolleys, winches and also the conveyers for position braking purpose.

Main Feature:

  • With the spring clamp and the hydraulic release;
  • Anti-corrosion design;
  • With release limit switches and interlocking protection function;
  • Power pack with manual pump(for YJE、YJJ series,only limit to YJE300、YJJ300 and the following specification);
  • Hydraulic power unit with manual pump,electric control box(for YJE and YJJ series, which indicates YJE400、YJJ400 and the above specification);
  • YJD series rail clamp is top-surface flange connection,the other specifications are all end–surface flange connection;
  • Clamp body is the floatable structure, horizontal distance ±20mm, vertical distance ±20mm.