Manhole Covers Ductile Iron Cast Iron EN124 GGG40

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China main port
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TT OR LC
Min Order Qty:
1000 pc
Supply Capability:
100000 pc/month

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Item specifice:

Material: Ductile Iron Cross Sectional Shape: Round,Square Thickness: 100mm

Product Description:

1.Cast Iron Manhole Cover Description :

1.Advantages: Good compressive, bending and impact strenth,anti-corrosion, not rust, long service life  

(at least 30 years). The quality meets the same kinds cast ion manhole covers but the cost is 30% lower than. Contain no metal and no recovery value, anti-theft.

2.Applications: water supply and drainage, fire engineering, natural gas, 

electricity and telecommunications, street lamp and outdoor illuminations.

Description:

 

Code

Clear Opening(mm)

Over Base(mm)

Depth(mm)

Class

202500

200

230

33

A15

202501

200

230

33

B125

202502

300

330

40

A15

202503

300

330

40

B125

202504

400

440

45

A15

202505

400

440

45

B125

202506

400

440

45

C250

202507

400

440

45

D400

202508

550

590

60

A15

202509

550

590

60

B125

202510

550

590

60

C250

202511

550

590

60

D400

202512

700

740

60

A15

202513

700

740

60

B125

202514

700

740

75

C250

202515

700

740

95

D400

202516

760

800

75

A15

202517

760

800

75

B125

202518

760

800

75

C250

202519

760

800

110

D400

202520

800

840

85

A15

202521

800

840

85

B125

202522

800

840

85

C250

202523

800

840

85

D400

202524

900

940

100

A15

202525

900

940

100

B125

202526

900

940

100

C250

202527

900

940

100

D400

202528

1000

1040

100

A15

202529

1000

1040

100

B125

202530

1000

1040

100

C250

2.Main Features of the Ductile Iron Manhole Cover:

1) Product information:
Manhole Covers are manufactured for construction and public use. Manhole Covers shall be smooth and free from sand holes, blow holes, distortion or any other defects
2) Material
a) Ductile Iron GGG500-7 & 400-12
b) Grey Iron GG20

3) Designs .
a) EN124 A15, B125, C250, D400, E600 and F900
b) A60005 for casting design
c) Major standards designs available
d) As per customers' drawings or samples
4) Process
c) Molding boards
d) Green sand with hand molding
5) Coating
a) Cold applied black bitumen
b) Without coating
c) Coating as per customers' requirement
6) Different accessories are available

3.Manhole Cover Images:

 Manhole Covers Ductile Iron Cast Iron EN124 GGG40

Manhole Covers Ductile Iron Cast Iron EN124 GGG40

4.Manhole Cover Specifications:

SMC Watertight Manhole Cover
BS EN124 A15 A50 B125 C250 D400
Watertight Waterproof
Lockable Bolts
Anti UV Antistatic Finish

Manholes allow access to underground pipes, cables, meters and facilities.

BS EN124 Standard:

A15: Area which can only be used by pedestrians and pedal cyclists.

B125: Footways, pedestrian areas and comparable parks or car parking decks.

C250: For gully tops installed in the area of curbside channels of roads.

D400: Carriage ways of roads(including pedestrian streets), hard shoulder and parking areas, for all types of road vehicles.

E600: Areas of imposing high wheel loads, e.g. dock and aircraft pavements

5.FAQ:

Q. I’ve measured my clear opening size but none of your covers match it, can you offer anything?

A. It’s likely that your cover is quite old and in imperial measurements which are no longer manufactured. However, we can offer bespoke solutions with manhole covers made to the specification you require.

Q. Odours are coming through where I have installed my manhole cover, why?

A. Your cover must be sealed and locked, or neoprene sealed, so you would require a T-Range Cover, or if you require a solid top, a selection of the PC range (e.g. PC2BG3, PC6CG3, not PC2BG) are suitable.

Q. I need access through my manhole cover on a regular basis, is this possible?

A. Yes, the majority of covers have built-in lifting keys, and for those that don’t we also supply lifting keys. However, the best way to obtain easy access is to have a bespoke, hinged manhole cover. 

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Q:what is the Hardware classification?
Cutting power tools @| hammer drill | | bench drill, drill | electric beveling machine | | chainsaw cutting machine | stone cutting machine | impact drill | electric scissors | | electric planer woodworking engraving machine engraving machine | | woodworking trimmer | other cutting power tools
Q:What kind of hardware installation is there in order of home decoration?
If the door (door and door): first hinge positioning (or repair groove), temporary installation - positioning lock, remove the lock - processing and installation after formal installation of the door, and installed in the positioning door -- etc.
Q:How to maintain the hardware?
Should avoid faucets surface with a hard object collision. Faucet installation process, not forced installation, so as not to damage the leading parts.
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The preferred stainless steel with good economic condition has the advantages of easy cleaning and durability, and strong toughness
Q:What's drawing design in a hardware factory?
I have done in the hardware factory mapping, using CAD or proe do, surveying and mapping is the first to return the drawings, in software measurements. Yes, some need your own design, some other factory orders and processing drawings, you have to translate them to your factory standards. Hope to adopt!
Q:What does "R0.5max" mean in hardware drawing?
The maximum chamfer diameter is 0.5; the general unit is MM, MIN: minimum MAX: maximum
Q:What is the rebate rate for hardware?
According to the 5% tax rebate rate, the income is 170W, according to the vat of 17%, the tax refund amount is =170/1.17*0.05=7.27W
Q:What are the laws and regulations of hardware?
There are two main parts.One is the national quality standard. This is the regulation. The hardware shall conform to the requirements of the regulations in accordance with the regulations.Another is the national security standards, this is the strict implementation of the legal norms.
Q:What kinds of hardware fittings can be divided into?
door lock (5) glass window lock electronic lock (6) (7) (8) chain lock anti-theft lock (9) lock the bathroom (10) (11) number lock padlock (12) the lock (13) lock core.
Q:What do the hardware stores sell?
The hardware store, big and small, business scope: water iron, wire and cable, switch socket, hardware tools, electric tools, fan, ventilation equipment, decoration materials, mould parts, motor pumps, all you have to do big strong capital, weak capital can be minor.

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