
YWZYWZ4, YWZ5/YWZ9, YWZ8, YWZ13, YW, YW-L, YW-E, DYW Series Electro-Hydraulic Drum Brakes
Electro-Hydraulic Shoe Brakes ZHONGHAI YWZ

Normally closed drum brakes with an electro-hydraulic thruster for hoisting and travel mechanisms of cranes, conveyors, port, metallurgical and mining machinery. Eight sub-series for different mounting standards: YWZ4 (JB/ZQ 4388-86, Ed or YT1 thruster), YWZ5/YWZ9 (GB 6333-1986), YWZ8, YWZ13, YW, YW-L, two-step YW-E and flameproof DYW with a BEd thruster. Drum diameters 100–800 mm, braking torque 40–12,500 N·m. Self-lubricating hinges, shoe clearance equalization, non-asbestos linings; options: wear compensation, K1–K3 limit switches, hand release.
Specifications
- Sub-series
- YWZ4, YWZ5/YWZ9, YWZ8, YWZ13, YW, YW-L, YW-E (two-step), DYW (flameproof)
- Brake drum diameter
- 100–800 mm
- Braking torque
- 40–12,500 N·m
- Thruster
- Ed23/5…Ed301/12 (DIN 15430) or YT1 (YWZ4); BEd for DYW
- Standards
- JB/T 6406-2006; dimensions and torque per JB/ZQ 4388-86 (YWZ4), GB 6333-1986 (YWZ5/YWZ9, DYW)
- DYW explosion protection
- Ex d IIA/IIB T1–T4 (GB 3836.2); EAEU: Ex db h I Mb X to TR CU 012/2011
- Supply
- 3 × 380 V, 50 Hz; DYW: 380/660/1,140 V
- Operating conditions
- −20…+40 °C (YWZ5/YWZ9, YWZ13 up to +50 °C), humidity up to 90%
Applications
- Hoisting and travel mechanisms of overhead and gantry cranes
- Port handling machines
- Belt conveyors
- Metallurgical and construction machinery
- Cranes and conveyors in hazardous areas (DYW)
Industries
We will select the right size for your task and prepare a quotation under a direct SDS contract.




