D400 680 Heavy Duty Cover

D400 700x1000mm ductile manhole cover

700~1500USD

  D400 Rectangular Manhole Cover (700×1000 mm) Overview Engineered for heavy-duty traffic zones, this D400 rectangular manhole cover (700×1000 mm) is designed to withstand intense loads and harsh environments. Ideal for highways, logistics hubs,...

D400 600x1200 rectangle manhole cover

700~1500USD

  D400 Rectangular Ductile Iron Manhole Cover (600×1200 mm) Overview This D400-class rectangular manhole cover, sized 600×1200 mm, is crafted from high-strength ductile iron and designed for heavy-duty infrastructure. Its robust structure and...

D400 500x1000mm rectangle manhole cover

700~1500USD

  D400 Rectangular Manhole Cover (500×1000 mm) Overview The D400 rectangular manhole cover in 500×1000 mm format is designed for high-performance urban and industrial applications. Manufactured from ductile iron, it features a precision-engineered...

D400 600x800mm Rectangle Manhole Cover

700~1500USD

D400 600x800mm Rectangle Ductile Iron Manhole Cover Product Overview The 600x800mm Ductile Iron Rectangle Manhole Cover, rated D400 under EN124 standards, is engineered for durability and heavy-load applications. With its large rectangular shape and...

D400 Φ700 round manhole cover

700~1500USD

D400 Φ700 Ductile Iron Round Manhole Cover Heavy-Duty Round Access Cover for Urban & Industrial Use Our D400 Φ700 Ductile Iron Round Manhole Cover is designed for demanding environments where strength, safety, and longevity are essential. With a...

D400 700x800mm Ductile Iron Manhole Cover

700~1500USD

D400 700×800 mm Rectangular Ductile Iron Manhole Cover with Frame Built to withstand heavy vehicular traffic, our 700×800 mm D400 ductile iron manhole cover offers exceptional strength, safety, and reliability. Manufactured from premium QT500-7...

D400 1000x1000mm heavy&duty manhole cover

700~1500USD

D400 1000 × 1000 mm Heavy-Duty Ductile Iron Manhole Cover Engineered for 40 tonne load capacities, this D400 cover and frame  delivers exceptional strength, corrosion resistance, and minimal upkeep—ideal for high-traffic roadways and industrial...

D400 1200X1350mm round manhole cover

700~1500USD

D400 1200×1350 mm Heavy-Duty Ductile Iron Round Manhole Cover Designed for heavy load conditions, this D400-rated round ductile iron manhole cover with a 1200×1350 mm frame size offers optimal strength, safety, and durability. It is ideal for...

D400 Φ800 Airport manhole cover

700~1500USD

D400 Φ800 mm Ductile Iron Manhole Cover with Frame This Φ800 mm D400 ductile iron manhole cover is engineered for heavy-duty use in high-traffic areas such as city roads, industrial zones, and logistic hubs. Manufactured from premium QT500-7 ductile...

D400 Φ680 Ductile Iron Manhole Cover

700~1500USD

D400 Φ680 Ductile Iron Manhole Cover – Custom Pattern Edition This Φ680 mm round ductile iron manhole cover, certified to EN 124 D400, is engineered for use in high-traffic urban areas such as municipal roads, logistics zones, and commercial...

D400 Ductile Iron Manhole Cover

700~1500USD

D400 Ductile Iron Manhole Cover – Corporate Custom Edition This D400-class ductile iron manhole cover is built to serve high-traffic roads and industrial zones, while also integrating your corporate branding or project identity into public...

D400 custom Ductile iron Manhole cover

700~1500USD

D400 Ductile Iron Manhole Cover – Corporate Custom Edition Built for strength and brand visibility, the D400 Corporate Custom Manhole Cover is ideal for companies and government entities seeking to integrate branding, identity, or functional...