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Elite’s watertight FRP manhole cover system is engineered to achieve complete sealing performance against both surface water and gas leakage. It is widely used in drainage networks, underground utilities, and sensitive environments such as water treatment plants, tunnels, and fuel stations.
The product structure integrates a precision-molded rubber gasket between the frame and the cover, ensuring airtight and watertight sealing even under pressure. Optional double sealing layers can be applied for high-demand applications. The cover is molded from corrosion-resistant fiberglass composite, ensuring that it remains leakproof even after years of operation.
The non-metallic material prevents spark generation, making it safe for installation in flammable or explosive environments. Each watertight cover is load-tested according to EN124 standards (available in B125, C250, and D400 classes). Elite’s designs include optional bolt-locking mechanisms, stainless-steel hinges, and lifting handles for easy access.
Unlike steel or cast iron alternatives, Elite’s watertight covers do not rust, corrode, or deform under long-term moisture exposure. They also resist hydrogen sulfide and other corrosive gases often present in sewer environments. The covers are UV-stable, ensuring long-term color retention and dimensional stability.
Every watertight manhole cover from Elite is produced under ISO9001 quality management systems and tested for both mechanical and sealing performance. The result is a maintenance-free, eco-friendly, and secure access solution for modern infrastructure projects.
For high-security applications such as telecommunications networks, airports, and energy facilities, Elite offers a hinged and lockable FRP manhole cover system. This design enhances operational safety and convenience while maintaining top-tier load performance.
The integrated hinge structure allows the cover to open at a fixed angle, preventing accidental falls or cover misplacement. Each hinge is reinforced with stainless steel or composite pins, ensuring durability under repeated operations. Optional locking systems — including hidden key locks or bolt locks — provide an additional layer of security against unauthorized access.
The composite material ensures zero rust, low noise, and easy maintenance. The hinge and frame are co-molded for perfect alignment, ensuring long-term stability without deformation. The surface features Elite’s anti-slip texture and can be produced in various patterns, including diamond, wave, or grid textures, to suit different environments.
The product can be supplied in Class B125 to D400 load ranges, depending on installation needs. It is particularly suitable for telecom chambers, power substations, and airports, where frequent inspections are required. Elite’s engineers can design custom opening angles, locking mechanisms, and frame heights to meet specific project specifications.
Beyond functionality, the hinged cover offers outstanding aesthetic and environmental performance. It is recyclable, free from metal theft risks, and requires no periodic painting. With decades of composite experience, Elite ensures every lockable cover is engineered for long-term security and performance.
Elite’s watertight FRP manhole cover system is engineered to achieve complete sealing performance against both surface water and gas leakage. It is widely used in drainage networks, underground utilities, and sensitive environments such as water treatment plants, tunnels, and fuel stations.
The product structure integrates a precision-molded rubber gasket between the frame and the cover, ensuring airtight and watertight sealing even under pressure. Optional double sealing layers can be applied for high-demand applications. The cover is molded from corrosion-resistant fiberglass composite, ensuring that it remains leakproof even after years of operation.
The non-metallic material prevents spark generation, making it safe for installation in flammable or explosive environments. Each watertight cover is load-tested according to EN124 standards (available in B125, C250, and D400 classes). Elite’s designs include optional bolt-locking mechanisms, stainless-steel hinges, and lifting handles for easy access.
Unlike steel or cast iron alternatives, Elite’s watertight covers do not rust, corrode, or deform under long-term moisture exposure. They also resist hydrogen sulfide and other corrosive gases often present in sewer environments. The covers are UV-stable, ensuring long-term color retention and dimensional stability.
Every watertight manhole cover from Elite is produced under ISO9001 quality management systems and tested for both mechanical and sealing performance. The result is a maintenance-free, eco-friendly, and secure access solution for modern infrastructure projects.
For high-security applications such as telecommunications networks, airports, and energy facilities, Elite offers a hinged and lockable FRP manhole cover system. This design enhances operational safety and convenience while maintaining top-tier load performance.
The integrated hinge structure allows the cover to open at a fixed angle, preventing accidental falls or cover misplacement. Each hinge is reinforced with stainless steel or composite pins, ensuring durability under repeated operations. Optional locking systems — including hidden key locks or bolt locks — provide an additional layer of security against unauthorized access.
The composite material ensures zero rust, low noise, and easy maintenance. The hinge and frame are co-molded for perfect alignment, ensuring long-term stability without deformation. The surface features Elite’s anti-slip texture and can be produced in various patterns, including diamond, wave, or grid textures, to suit different environments.
The product can be supplied in Class B125 to D400 load ranges, depending on installation needs. It is particularly suitable for telecom chambers, power substations, and airports, where frequent inspections are required. Elite’s engineers can design custom opening angles, locking mechanisms, and frame heights to meet specific project specifications.
Beyond functionality, the hinged cover offers outstanding aesthetic and environmental performance. It is recyclable, free from metal theft risks, and requires no periodic painting. With decades of composite experience, Elite ensures every lockable cover is engineered for long-term security and performance.
