Permanent Cover Plates
Heavy-duty shaft closures for permanent inflow and overflow protection. Secure, durable, and easily removable for inspection.
HEAVY-DUTY SHAFT CLOSURES
Our permanent cover plates offer a high-performance solution for sealing circular channel inflows, overflows, and installation shafts. Suitable for crack-free circular channel inflow, overflow or installation shafts — for horizontal or vertical installation.
The single-piece steel plate construction delivers exceptional strength and long-term durability for reliable circular shaft protection.
The system is easily removed for inspection work. The seal is to be renewed upon re-installation.
SHAFT CLOSURE BL/SAP
Universal implementation with heavy industrial design.
Shaft Closure BL/SAP
The barrier body consists of superior-alloy steel, unpainted for implementation in interior and exterior areas.
| Article Index | Standard Diameter | Approx. Weight |
|---|---|---|
| 160 (NS), 170 (ES) | Ø 480–530 mm | 15–25 kg |
| 161 (NS), 171 (ES) | Ø 580–630 mm |
FREQUENTLY ASKED QUESTIONS
Everything you need to know about partnering with Blobel.pro for your permanent cover plates and industrial containment needs.
Permanent Cover Plates are fixed protective covers designed for long-term sealing and protection of trenches, channels, and openings.
They are commonly installed in industrial facilities, drainage systems, loading docks, and flood protection infrastructure.
They provide continuous protection, structural durability, and improved safety for operational environments.
Yes. Depending on the application, they can be designed to withstand pedestrian, forklift, or vehicle traffic.
The plates are typically manufactured using corrosion-resistant industrial-grade materials.
Yes. Sizes, load ratings, and installation configurations can be tailored to project requirements.
Routine inspections are recommended to ensure long-term performance and structural integrity.
Round One-Piece Form
Robust single-piece steel plate design ensures durable and dependable shaft closure.
Secure Bolting
Counter ring mechanism presses the seal tightly against the shaft perimeter for absolute containment.
Universal Installation
Suitable for horizontal or vertical installation in circular channel inflows and installation shafts.
Superior Materials
Generally manufactured from superior-alloy stainless steel for maximum corrosion resistance.
Specialist Shaft Sealing Solutions
Need a custom size or specific material for your shaft closures? Our engineering team is ready to help.