2026 New Watertight Manhole Covers D400 Round En124 Lockable SMC 900mm Manhole Cover for Gas Station

2026 New Watertight Manhole Covers D400 Round En124 Lockable SMC 900mm Manhole Cover for Gas Station. 100% Waterproof Design: Features unique rubber hollow design with EPDM material and double sealing rings. Long Service Life: Designed for over 30 years of service with UV resistance and no fading for 3+ years. Lightweight Composite: SMC material with excellent structural design for easy handling and installation. Anti-slip Surface: Special surface design ensures safety for road traffic applications. Durable Aluminum Alloy: Lifting hole made of aluminum alloy for long service life and easy installation. ODM and OEM Accepted: Flexible customization options available for specific requirements. EN124 D400 Certification: Meets international standards for road traffic safety and load bearing.