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water meter manhole cover

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Quick details

· Shape: Square

· Material: Ductile Iron GJS500-7

· Duty Class: EN124 B125

· Frame Style: Bottom Flange

· Gasket Material: Neoprene

· Lock Material: SS304

· Coating: Black Bitumen

· Standard: EN124-2015

· Surface Pattern: Customized

· Surface text: Customized


Why 'Ductile Iron'

'Spheroid Graphite' or 'Ductile Iron' is a unique form of Iron. which prior to the metal casting process receives crucial mineral additives to produce an exceptionally strong resistance and durable metal, the molecular structure of 'Ductile Iron' gives rise to excellent additional strength and shock load resistance, within structure carbon steel, without steel inheriting corrosion. In today's roads, Covers & Gratings are required to carry increasingly heavy and fast moving traffic, yet the need to keep the roads in service, places free from accidents and theft, additional demands on those Covers and Gratings in terms of speed and ease of access for maintenance of services is essential. 'Ductile Iron' Manhole Covers, Gratings and Frames are fast replacing the conventional 'Grey Iron Manhole Covers, Gratings and Frames on account of uniqueness in its Strength to Weight ratio, Design, Weight and the Cost benefit.


Match-plate pattern:

A match-plate pattern is similar to a split pattern, except that each half of the pattern is attached to opposite sides of a single plate. The plate is usually made from wood or metal. This pattern design ensures proper alignment of the mold cavities in the cope and drag and the runner system can be included on the match plate. Match-plate patterns are used for larger production quantities and are often used when the process is automated.


Cope and drag pattern:

A cope and drag pattern is similar to a match plate pattern, except that each half of the pattern is attached to a separate plate and the mold halves are made independently. Just as with a match plate pattern, the plates ensure proper alignment of the mold cavities in the cope and drag and the runner system can be included on the plates. Cope and drag patterns are often desirable for larger castings, where a match-plate pattern would be too heavy and cumbersome. They are also used for larger production quantities and are often used when the process is automated.


Proven Designs:

Castking's proven range of manhole covers and gully grates are recognized worldwide for quality design and manufacture. Castking's commitment to continuous product development and design development is reflected in the latest innovative additions to the already proven and established product range.


Full Load Class Range: Castking's manhole covers and gully grates castings are available to suit most applications from light duty domestic covers to heavy duty, high performance Class D loading castings suited to the most demanding road conditions.


Solution for every casting needs right from simple to complex object.

Benchmark for technology and innovation in casting industry

A globally competitive and environmentally responsible casting unit.

The preferred supplier of engineered, net-shape metal components.


We supply water meter manhole cover

Established in 1993, located in Changsha China, we devoted ourselves to casting industry for many years,has been exporting to Europe and Australia since 2001.

We are expecting become your long team partner, OEM & OED is welcomed.


MaterialDuctile cast iron, grey cast iron, steel
SpecificationA15,B125,C250,D400,E600,F900
ProcessSand casting, Shell core casting
ApplicationSewer, Electronic, Sanitary, telecommunications, sewage, drainage, water, stormwater, fire protection & etc.
Casting Tolerance Min.0.1mm
Machining Tolerance Min.0.02mm
Surface TreatmentBlack Bitumen, Spraying Painting, galvanization,
Unit weight0.5kg~450kg
ApplicationSewer, Electronic, Sanitary, telecommunications, sewage, drainage, water, storm water, fire protection & etc.
Technical Supportexperienced design team
StandardEN124, AS3996, ISO, ASTM,JIS, ANSI, DIN, BS,
CertificationISO9001:2008
FeatureSingle Seal, Double Seal, Bolt Hinge, Removable Hinge, Lock Device, Spring Bar, Auto-locking Device, Safety-Design, Solid, Vent Cover, Lifting Key Hole, Rubber/PE Gasket, GRP Plate, Cut-Corner Design, single seal, double seal, hinge type, ventilated, watertight, airtight, and anti-theft & etc.


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