Low temperatures affect viscosity of hydraulic fluids, elasticity of seals, and response speed of actuators. In outdoor applications, moisture can freeze and cause sticking or delayed release. Selection should start with the lowest ambient temperature expected, not the average. Choose an actuator/brake design rated for that temperature range, and use appropriate low-temperature hydraulic fluids or lubricants.
Corrosion protection is also essential outdoors. Use coatings suitable for UV and weather exposure, sealed housings where possible, and stainless or treated fasteners. For coastal sites, add marine-grade protection to prevent salt damage.
Functionally, verify that the brake can fully release at low temperature (sufficient actuator force) and that clearances are correct—thermal contraction can change air gaps. For safety-critical lifting, always use fail-safe designs and confirm emergency engagement time. Incorporate heaters or enclosures where required, especially for hydraulic power units or control cabinets. Finally, plan for more frequent winter inspections to detect ice buildup, seal leaks, and degraded cable protection.
