FST Series

The ESCO gear coupling is a robust, grease-filled coupling, offering exceptional torsional rigidity. It consists of two hubs with external multi-crown teeth and two flanged sleeves with straight internal teeth. These sleeves are securely bolted together using high-strength, corrosion-protected fitted bolts and nuts. An endcap on the opposite side of the flange, either internal for small or screwed for larger couplings, houses an o-ring for sealing purposes. The ESCO gear coupling is designed to transmit torque through friction, preventing fretting corrosion. Its teeth maintain continuous contact, allowing for angular, parallel, and axial misalignment within specified limits. The standard ESCO gear can accommodate up to 1.5° angular and parallel misalignment. The FST series is a reliable choice for a wide range of industries.

Features:

  • FST series are generally made from carbon steel Ck45 (AISI 1040). For higher torque capacities, within the same coupling dimensions, a higher alloy steel like 42CrMo4QT can be used (optionally).
  • High Torque up to 5,040,000 Nm.
  • Large Bore capacity up to 1130mm.
  •  Highest manufacturing quality & long coupling life guaranteed.
  • Reduced backlash