YT1-90/8 Series Electro Hydraulic Thrusters

YT1‑90/8 series is a conventional, piston‑type electro‑hydraulic thruster (also known as electro‑hydraulic pusher), widely used as the actuation device for various industrial drum brakes, wheel brakes and mechanical holding mechanisms.

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Basic Identification

Model: YT1‑90/8

Type: Electro‑hydraulic thruster / pusher

Structure: Open‑type, oil‑immersed motor

Function: Provide thrust to release spring‑applied brakes

Key Parameters

Rated thrust: 900 N

Working stroke: 80 mm

Standard voltage: Three‑phase AC 380 V, 50 Hz

Protection class: IP44 or IP55

Application: Matching with YWZ, YWZ2, YWZ4, YWZ8 series brakes

Working Principle

When powered on, the submersible motor drives the impeller to produce hydraulic pressure.

Hydraulic pressure pushes the piston and push rod to extend, providing thrust.

This thrust is used to release the brake.

When power is cut off, hydraulic pressure disappears; the return spring retracts the push rod, allowing the brake to close.

Features

Simple structure, reliable performance

Stable thrust, low noise

Suitable for frequent operation

Easy installation and maintenance

Mature design, widely used in lifting and conveying machinery

Applications

Actuation unit for various electro‑hydraulic drum brakes

Cranes, hoists, winches

Metallurgical, mining, port and construction machinery

Mechanical systems requiring electro‑hydraulic release

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Short version 

YT1‑90/8 series electro‑hydraulic thrusters are hydraulic pushers with 900 N rated thrust and 80 mm working stroke, used to actuate and release industrial brakes for cranes and heavy equipment.

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