Drain-Free Automatic Hydraulic Rising Bollard

The YD-S804M is a fully automatic electro-hydraulic shallow mount bollard designed with an innovative drain-free installation mechanism to effectively reduce civil engineering costs. Engineered for sites where deep excavation or drainage connection is not feasible, this heavy-duty security barrier features a shallow 800mm pre-buried sleeve with a factory-sealed bottom drain port, allowing for direct burial and straightforward deployment. Constructed entirely from premium 304 stainless steel and reinforced with a 3-guide post stabilization system, the YD-S804M delivers reliable perimeter protection and low-maintenance operation across diverse outdoor environments.

Shallow Foundation & Drain-Free Installation

Features a shallow burial depth of approx. 800mm with a factory-sealed bottom drain port. Eliminates the need for complex drainage connections, simplifying onsite construction and reducing civil engineering costs.

Pure 304 Stainless Steel Construction

Built entirely from premium 304 stainless steel. Delivers robust resistance against corrosion, chemical oxidation, and atmospheric aging – extending outdoor service life in demanding environments.

Reinforced 3-Guide Post Stability System

Equipped with three precision-engineered internal guide posts. Enhances alignment accuracy during lifting/lowering cycles and provides strong lateral impact resistance.

IP68 Certified Protection & Flexible Drainage

Rated IP68 for dustproof and waterproof performance. The bottom drain port is factory-sealed for direct burial and can be unsealed if active drainage is required.

30-Ton Traffic Load Capacity

Engineered to withstand drive-over traffic from 30-ton container trucks. Reliable for commercial plazas, pedestrian zones, and perimeter security applications.

Rapid Hydraulic Action & Emergency Backup

Lifting speed ≤4s, lowering ≤2s for swift access control. Standard emergency stop and power-off descent backup ensure lane clearance during power outages.

The YD-S804M shallow mount drain-free automatic bollard is engineered for perimeter protection where traditional deep excavation or drainage networks are not required or not feasible. Suitable applications include:

Commercial Plazas & Pedestrian Zones – Shallow burial and drain-free installation minimize disruption to existing paving and underground utilities.

Urban Streets & Historic Districts – Pre-buried sleeve design avoids interference with underground pipelines, water mains, and gas lines.

Campus Perimeters & Corporate Parks – 30-ton load capacity supports delivery and service vehicle access while restricting unauthorized entry.

Coastal & High-Water-Table Areas – IP68 waterproof rating and sealed drain port ensure reliable operation in high-moisture environments.

Q1: What is the burial depth of the YD-S804M?
A: Approx. 800mm. The shallow mount design allows for installation without deep excavation, making it suitable for sites with complex underground utilities.

Q2: Can the drain port be opened if drainage is needed later?
A: Yes. The drain port is factory-sealed for direct burial, but can be unsealed on-site if active drainage becomes necessary.

Q3: What happens during a power outage?
A: The bollard features an emergency backup power supply that automatically lowers the column during a power outage, ensuring the passage remains clear.

Q4: What is the load capacity of the YD-S804M?
A: 30 tons. It is designed to withstand regular drive-over traffic from container trucks and industrial vehicles in commercial and industrial applications.

Q5: Is the YD-S804M suitable for coastal or high-humidity environments?
A: Yes. The 304 stainless steel column and IP68 waterproof rating provide good corrosion resistance and reliable operation in high-moisture and coastal conditions.