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Round Ductile Iron Manhole Cover & Frame
Manhole Covers

Round Ductile Iron Manhole Cover & Frame

Round ductile iron manhole cover and frame for municipal water supply, sewage, gas, and telecom access chambers. Load class A15 to D400 (EN 124). Anti-theft locking options available.

DN600 – DN800
24" – 32"
A15–D400
QT500-7 球墨铸铁
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Specifications

Model Size / specification Notes
DN600/700/800 Clear opening DN600, DN700, DN800 EN 124 load classes A15/B125/C250/D400; locking version available

Frequently Asked Questions

What is the Round Ductile Iron Manhole Cover & Frame used for?
The Round Ductile Iron Manhole Cover & Frame is pipeline repair and maintenance equipment supplied by PipeKnot as authorized distributor of Anhui Tongfa Equipment Co., Ltd. It is engineered for ductile iron, carbon and galvanized steel, PE (HDPE), PVC, asbestos-cement across DN600 to DN800.
What is the lead time and how is it shipped?
Standard lead time is 15 working days ex-factory, shipping FOB Shanghai. Sea, air, and combined transport are arranged through PipeKnot to over 40 countries. Volume orders and project tenders receive priority scheduling.
Is installation guidance and technical support included?
PipeKnot provides English-language installation drawings, torque specifications, and remote technical support. On-site commissioning support can be arranged for qualifying projects in partnership with Anhui Tongfa field engineers.

Get in Touch

Have questions about our products? Call, email, or send us an inquiry — we respond within 24 hours.

FOB Shanghai | Lead time: 15 working days
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