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Reference: 206557 | Specification Date: 25/03/2026
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Technical Features
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| Compatible Bollard Diameters |
Ø 76 mm | Ø 90 mm | Ø 114 mm steel bollards. |
| Corrosion Protection |
100% galvanised construction with stainless steel internal mechanism for complete corrosion protection. |
| Central Flush Boss |
Static galvanised lacquered central flush boss, ensuring no trip hazard when the bollard is removed. |
| Drainage |
Drains naturally through sub-surface gravel to prevent water accumulation. |
| Maintenance Reservoir |
Integrated reservoir allows for the accumulation of sand, gravel, etc., and can be removed for easy maintenance. |
| Above-Ground Finish |
Parts above ground level are lacquered in black for discreet visual integration. |
| Bollard Insertion Depth |
180 mm of the bollards are set into the sockets for secure, stable positioning. |
| Directional Indicator |
Installation directional indicator for use with chain posts to ensure correct orientation. |
| Installation |
Installed in excavated foundation with sub-surface gravel drainage layer; socket flush with finished ground level. |
| Important Caution |
Procity sleeves are not designed to withstand vehicle traffic; they must be installed in such a way that vehicles cannot drive over them. |
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Description
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The Lockblock® 21 Socket System from Branson Leisure provides a robust, corrosion-resistant removable-bollard solution for ø 76, 90 and 114 mm steel bollards. Designed for applications where temporary access management is required—such as event spaces, emergency vehicle access points, or maintenance zones—this socket system enables secure bollard installation with quick, tool-free removal when needed.
Constructed with 100% galvanised steel and a stainless steel internal mechanism, the Lockblock® 21 delivers complete corrosion protection for long-term reliability in demanding outdoor environments.
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Key Features and Benefits
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The Lockblock® 21 Socket System is engineered for safety, durability, and ease of use:
- Complete corrosion protection: 100% galvanised construction with stainless steel internal mechanism ensures decades of reliable performance, even in harsh or coastal environments.
- Trip-free design: Static galvanised lacquered central flush boss sits level with finished ground, eliminating trip hazards when bollards are removed.
- Natural drainage: Sub-surface gravel layer allows water to drain freely, preventing frost damage and socket degradation.
- Easy maintenance: Integrated reservoir collects sand, gravel, and debris; removable design enables quick cleaning without excavation.
- Discreet appearance: Above-ground components lacquered in black for minimal visual impact when bollards are not in place.
- Secure bollard positioning: 180 mm insertion depth ensures stable, wobble-free bollard installation.
- Installation guidance: Directional indicator supports correct orientation for chain post compatibility.
The robust construction and thoughtful engineering ensure long-term performance with minimal upkeep.
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Installation Guidance
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For optimal performance and safety, the Lockblock® 21 Socket System should be installed as follows:
1. Excavate foundation to specified dimensions, allowing for sub-surface gravel drainage layer.
2. Position socket so that central flush boss sits level with finished ground surface.
3. Backfill with compacted sub-surface gravel to enable natural drainage.
4. Ensure installation location is protected from vehicle traffic—sleeves are not designed to withstand vehicular loads.
5. Use directional indicator to orient socket correctly for chain post compatibility (if required).
6. Insert compatible ø 76, 90 or 114 mm steel bollard (180 mm insertion depth) and verify secure, stable positioning.
For detailed installation drawings and technical support, please contact our technical team.
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Versatility and Applications
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The Lockblock® 21 Socket System is ideally suited for applications requiring flexible access management:
- Event spaces: Enable temporary pedestrianisation of streets or squares for markets, festivals, or public gatherings.
- Emergency access: Provide secure bollard protection with rapid removal capability for emergency vehicle access.
- Maintenance zones: Allow temporary access for service vehicles while maintaining security during normal operations.
- Commercial premises: Manage delivery access to retail courtyards, hospitality terraces, or loading bays.
- Parks and green spaces: Enable seasonal or event-based access control while protecting landscaped areas.
Compatible with our full range of ø 76, 90 and 114 mm steel bollards, the Lockblock® 21 enables cohesive, flexible streetscape solutions.
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About Branson Leisure
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At Branson Leisure, we combine over 35 years of French manufacturing expertise with a passion for creating beautiful, functional urban furniture and flexible access solutions. All our products, including the Lockblock® 21 Socket System, are designed and produced in our facilities in the Loir-et-Cher and Sarthe regions, adhering to the highest standards of quality, durability, and environmental responsibility.
Our comprehensive range of street furniture—from bollards and socket systems to benches, planters, shelters, and wayfinding solutions—enables cohesive, high-quality public realm projects. By choosing Branson Leisure, you benefit from technical consultation, reliable supply, and a commitment to sustainable design that enhances community spaces for generations.
Trust Branson Leisure to deliver the Lockblock® 21 Socket System—a robust, corrosion-resistant, and thoughtfully engineered solution that enables flexible access management while maintaining security, safety, and aesthetic integrity.
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LOCKBLOCK Collection
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The Lockblock® collection celebrates innovative, flexible design for urban access management. With its 100% galvanised construction, stainless steel internal mechanism, trip-free flush boss, natural drainage design, and easy-maintenance reservoir, the Lockblock® 21 Socket System is an ideal choice for projects that prioritise security, flexibility, durability, and functional excellence within the urban landscape.
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