Ductile iron manhole cover manufacturer · Jincheng, Shanxi, China
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KEYUDA·CASTING Ductile Iron Foundry · Est. 2014 Get a Quote
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Ductile Iron Manhole Covers

Round and square covers with frames, cast in ductile iron QT500-7 and above, with EN124 load classes from B125 footway up to D400 carriageway. More than 300 cover-and-frame sets already tooled.

Standard Models

Most-Requested Sizes

Each size comes in several duty classes — the weight you need depends on where the cover is installed. All sets are priced by theoretical weight.

Ductile iron round manhole cover DN500 with frame
Ø500 · 17–51 kg

Round Cover Ø500

Four duty versions from footway B125 up to roadway D400.

Details
Ductile iron round manhole cover DN600 with frame
Ø600 · 36–105 kg

Round Cover Ø600

The most common municipal size. Nine weight versions in tooling.

Details
Heavy-duty multi-part round manhole cover DN800
Ø800 · 50–107 kg

Round Cover Ø800

Heavy-duty highway class, up to 107 kg per complete set.

Details
Square recessed ductile iron manhole cover
Square 500–800

Square / Recessed Covers

Covers that sit flush under pavers and turf for landscape areas.

Details
Anti-settlement flanged frame manhole cover
Anti-Settlement

Anti-Settlement Covers

Flanged frame design transfers load to the road structure, not the manhole wall.

Ask for specs
Locking ductile iron manhole cover top view
Multi-Part

Double-Triangle & Insert-Lock

Two- and three-part covers for large chambers, with locking inserts.

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Locking ductile iron manhole cover top view
Spring & Bolt Lock

Locking Options

Spring locks, bolt locks and pick-proof designs against theft and unauthorized entry.

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Custom embossed city-scene manhole cover
Custom Logo

Custom Marking

Your logo, city name or standard reference cast into every cover.

Learn more
Selection Guide

Which Load Class Do You Need?

EN124 ClassTypical LocationRecommended Keyuda Series
A15 / B125Pedestrian areas, footways, car parksØ500 light series, 17–28 kg sets
C250Kerbside channels of roadsØ500–Ø600 medium series, 28–50 kg sets
D400Carriageways, main roadsØ600–Ø800 heavy series, 50–107 kg sets
E600 / F900Docks, aircraft pavements, industrial yardsHeavy series with reinforced frames — made to order

Need a full size list with FOB prices?

Send your bill of quantities — we price by theoretical weight within 24 hours.

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