Manhole Cover Ductile Iron B125 EN124 Square

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
100000 m.t./month

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Item specifice:

Material: Ductile Iron Standard: square Power Supply: AC Power
Customized: Non-Customized Surface Treatment: Zinc Plated

Product Description:

1.Cast Iron Manhole Cover Description :

Manhole covers are often made out of cast iron, concrete or a combination of the two. This makes them inexpensive, strong, and heavy, usually weighing more than 50 kilograms (110 lb). The weight helps to keep them in place when traffic passes over them, and makes it difficult for unauthorised people not having suitable tools to remove them.

2.Main Features of the Ductile Iron Manhole Cover:

Consequences of temporarily overloading
Temporarily overloading may cause smash of concrete covers, seriously deformation, even slightly split. But this will not happen to FRP fiber cloth manhole cover.
Safety options
There is no metal contain, directly reducing potential accident or further maintenance costs caused by thieves. Anti-slip surface offer a safe road condition even in extreme weather.
Light weight
Compared with cast iron manhole cover, FRP manhole cover is 30% lighter.
Light weight allows more loading per vehicle, more convenient transportation and economical savings.
Allows a safer working condition, which single workers is enough for installation without risk of injury.

3.Manhole Cover Images:

 Manhole Cover Ductile Iron B125 EN124 Square

Manhole Cover Ductile Iron B125 EN124 Square

4.Manhole Cover Specifications:

1) Production information
Manhole cover are manufactured for construction and public use. Manhole cover shall be smooth and free sand holes, blow holes, distortion or any other defects 

2) Material
A) Ductile iron GGG50

B) Grey iron GG20

3) Coating
A) black bitumen or epoxy .
B)Coating as per customer's requirement

4) Packing:
Wooden case or wood pallet, or as per customers' requirement 

5)  Payment terms: T/T or L/C 

5.FAQ:

Q. I have a heavy traffic manhole cover but it has been broken by a forklift, why?

A. Forklifts have solid wheels which apply pressure differently to standard pneumatics and therefore covers must be specially adapted to suit this.

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. The project I’m working on requires a manhole cover with a quality finish, what’s available?

A. Naturally, galvanised steel of black polypropylene aren’t always ideal, and so we offer brass or stainless steel edging, as well as complete stainless steel covers.

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Q:Gasket A140 what is the material
This is a performance level, as long as the grade requirements of stainless steel materials can be
Q:I would like to ask the car transmission inside the thrust washer (thrust washer) is used to do ah?
Figure 3 thrust washers, 4 needle bearings, thrust washers to prevent excessive wear of the main bearings, the usurper.
Q:how to use Motor washer
Spring washer loose, as well as sealing gasket, corrugated gasket clearance
Q:Gasket 300HV relative to what material?
For the 200HV and 300HV level should choose 45, 50, 60, 70 steel or 65Mn steel, heat treatment can be quenched and tempered to reach the technical requirements of 200 ~ 300HV and 300 ~ 400HV
Q:How do you choose the appropriate gasket for bolt or screw connection?
Mainly depends on your needs, such as the bolt is M10, you have to choose the matching. A variety of information can be found from the hardware manual.
Q:201 stainless steel gasket and 304 stainless steel gasket which is soft
Looks like 304, you this is the United States brand? It is recommended that you download a mechanical manual, look at their mechanical properties
Q:Nominal diameter 12 washers, outside diameter?
According to GB/T 95-2002 - C level standard flat washer, nominal diameter (large thread diameter) 12 flat washer, its outer diameter (Max) = 24 mm;(min) = 22.7 mm.
Q:When is the gasket (flat pad, spring pad)
The part between the connecting piece and the nut. A flat metal ring is generally used to protect the surface of the connecting piece from the nut.
Q:Flat gasket with what material
According to different purposes, there are low carbon steel Q235, 10, medium carbon steel 35,45, spring steel 65Mn, stainless steel A2, F1, etc..
Q:What is the difference between gaskets and seals?
The washer is used to protect the surface of the connector from the nut and the pressure of the dispersed nut on the connecting piece. Sealing ring to prevent leakage of lubricating oil and foreign invasion.

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