Geared Motor, Wheel Block

crane hoist manufacturer

Geared Motor
Our explosion-proof geared motors are certified to ATEX 94/9/EC and ISO 9001 to guarantee outstanding safety, reliability and long service lives. We use components based on the modular principle, comprising of an Ex-AF offset and Ex-W angular gearbox as standard, as well as tailored solutions to meet your specific requirements.  Our explosion geared motors are designed based on Ex d (flameproof enclosure) having type of protection: II 2G Ex d IIB T4 (standard), II 2G Ex d IIC T4 (Special), II 2D Td A21 IP66 T135 (DUST).  We offer a wide range of geared motors with various housing designs, flange or footed mounted type, with the following standard features:
  • Minimum IP55 enclosure
  • Insulation Class F and Temperature Rise Class B for longer operational life span
  • Noise level below 85 dB(A) at full load
  • Inverter control for smooth and precise operation.
  • 3 PTC thermistors for inverter drive
  • Brake with asbestos-free lining which activates automatically in case of power failure
  • Supply Voltage: 380 V–460 V, 3 Phase, 50–60 Hz, Others upon request.
Wheel Block
Our Ex-DRS and Ex-RNE/RAE wheel block systems are certified to ATEX: II 2GD Ex c IIB T4 up to IIC T5 for use in hazardous area zones 1 and 2. Our wheel blocks offer outstanding benefits and solutions with minimum maintenance, suited for a wide variety of applications. Our products offer particularly high performance with spheroidal graphite cast iron wheels which are far superior to conventional steel travel wheels. The self-lubricating effect of the wheel material reduces friction and provides high resistance to wear. We offer wheel blocks with a minimum wheel diameter of 125 mm, and up to 630 mm, with a capacity up to 60 tons/wheel and a travelling speed of up to 60 m/min.
Other EX accessories
In addition, we also offer a wide range of explosion-proof accessories with various possibilities to meet your needs.
  • EX push button pendant: Fixed or mobile type, rating to II 2G Ex de IIC T6 as standard.
  • EX radio control: wireless control system with rating to II 3 G Ex nA IIB T4 (Zone 2) up to II 2 G Ex nA IIC T4 (Zone 1)
  • EX limit switch: Geared limit switch, roller head and cross bar head type with rating to II 2G Ex de IIC T6 as standard.
  • EX Floodlights: II 2G Ex de IIB T4 (standard) and IIC T4 upon request
  • EX Warning horn and flashing light  : II 2G Ex d IIC T4 (standard)
  • EX energy Chain system for zone 1 and zone 2 application