Product Overview

The Polypit Covers & Gratings: D400 Range offers robust and reliable access covers designed to meet the EN124 Class D400 load requirements. These ductile iron covers are engineered to provide secure and durable solutions for areas subject to carriageways and roads open to commercial vehicles, making them ideal for use with Polypit modular chambers in various infrastructure applications. Manufactured from Spheroidal Graphite Ductile Iron (EN-GJS-500-7), they ensure high strength and a prolonged service life.

Key Benefits

• Meets EN124 Class D400 load requirements.
• Double Triangular Covers design.
• Non-rock action ensures stability and reduces noise.
• Double Bolt Secured Sections for enhanced security.
• Cover Markings on Both Sections for clear identification.
• Open Keyholes for ease of access.
• Includes a security chain for added safety.
• Black bitumen coated for enhanced corrosion protection.
• Manufactured from high-strength Ductile Iron (Spheroidal Graphite) EN-GJS-500-7.
• Kitemark certified for independent quality assurance.

Applications

• Carriageways of roads.
• Roads open to commercial vehicles.
• Areas with heavy vehicular traffic, in conjunction with Polypit modular chambers.

Features & Construction

• Cover Type: Double Triangular Covers.
• Material: Ductile Iron (Spheroidal Graphite) EN-GJS-500-7.
• Coating: Black Bitumen Coated.

Technical Specifications

Polypit Covers & Gratings in the D400 range are designed to strict standards, ensuring reliability for their intended load class.

Property	Details
Load Class	EN124 - Class D400 (Product Standard)
Certification	Kitemark (BSI Certification)
Material Standard	Ductile Iron (Spheroidal Graphite) EN-GJS-500-7

Installation & Maintenance

• Black bitumen coated for enhanced corrosion protection.