Product Introduction

This C250 400×600×30 Special Pattern ductile iron manhole cover is a premium-quality Manhole Cover engineered for medium-duty traffic environments such as road shoulders, parking lanes, pedestrian streets, and inspection zones. As part of our heavy duty manhole covers series, this C250 Manhole Cover provides excellent load-bearing strength and long-term durability under EN124 C250 requirements. The optimized c250 cover and frame design ensures stable installation, secure locking, and reliable access for utility networks. Made from high-grade ductile iron, this Ductile manhole cover offers superior toughness, anti-slip performance, and resistance to corrosion—ideal for both municipal and commercial infrastructure.

Key Features

1. EN124 Certified C250 Load Rating

• Supports 250kN loading

• Suitable for road shoulders, slow traffic lanes, and pedestrian zones

2. Special Anti-Slip Surface Pattern

• Custom-designed surface

• Enhances grip and safety under wet or oil-prone conditions

3. High-Strength Ductile Iron Material

• Greater toughness and shock resistance

• Longer lifespan than gray cast iron covers

4. Reinforced c250 cover and Frame Structure

• Perfect fit between cover and frame

• Ensures stability and reduces noise during passing vehicles

5. Corrosion-Resistant Coating

• Black bituminous coating or optional epoxy

• Suitable for long-term outdoor exposure

6. Customizable Options

• Logo, pattern, text, locking system

• Frame types, hinge options, color coating

Benefits

• Safe and stable access for inspection chambers

• Strong resistance to deformation and impact

• Reduced maintenance due to durable ductile iron design

• Stylish and modern appearance with special surface pattern

• Long service life even under high moisture or chemical exposure