ED30/5 Explosion‑Protected Electro‑Hydraulic Thruster is a flame‑proof driving actuator purpose‑built for braking systems deployed in flammable and explosive hazardous environments. Equipped with certified explosion‑proof motor, when energized, the internal hydraulic assembly generates linear thrust to drive brake linkage mechanisms and release the matched drum brake, allowing host machinery to operate normally. Once power supply is cut off, the built‑in return spring pulls the piston rod back rapidly, enabling paired drum brakes to achieve fast and dependable parking braking.
Manufactured in strict accordance with explosion‑proof safety standards, its flame‑proof enclosure effectively isolates internal electrical sparks and eliminates potential ignition risks. It delivers stable performance for coal mines, chemical plants, petrochemical facilities and other locations containing explosive‑gas mixtures. Thanks to its compact overall layout, this thruster can be directly fitted to various explosion‑proof drum brakes without additional structural modification. It maintains consistent thrust output and runs smoothly with low noise, showing excellent adaptability under frequent start‑stop cyclic working conditions.
Adopting multi‑layer optimized sealing components, the unit effectively prevents oil leakage, dust and moisture ingress, coping with heavy‑dust and harsh on‑site industrial conditions. All core electrical and hydraulic components undergo rigorous quality screening and inspection to secure high reliability and low failure rate. Field installation, commissioning, as well as routine oil replacement and inspection can be accomplished conveniently, minimizing maintenance workload and equipment downtime.
As a vital safety‑critical driving component, ED30/5 explosion‑protected electro‑hydraulic thruster is widely applied to overhead cranes, electric hoists and belt conveyors operating within explosive hazardous zones.
Core Features
‑ Professional flame‑proof structure complying with explosion‑proof standards for explosive‑gas hazardous areas‑ Certified explosion‑proof motor, effectively isolates spark‑induced ignition hazards‑ Built‑in return spring for rapid reset and reliable braking response upon power‑off‑ Compact dimension, supports direct assembly with multiple explosion‑proof drum brake models‑ Stable thrust output, smooth low‑noise performance for frequent start‑stop cyclic operations‑ Premium multi‑layer sealing structure, anti‑leakage, dust‑proof for mine and chemical harsh working sites‑ High‑quality screened internal components, low failure rate‑ Convenient on‑site installation, commissioning and simple routine maintenance‑ Widely used for cranes, hoists and belt conveyors in coal mines, chemical and petro‑chemical plants






