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:A general set of screws have a few nuts, bolts, washers?
You want to see the specific requirements and uses. There is also a nut, a bolt, and a flat pad
Q:How to use washer, gasket, o-ring "
Spring washer, "casing gasket" and "Liner O-ring", in fact should also be our daily used to seal washer, gasket, O-ring
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:Are there any positive and negative points on the flat washer?
Generally, but if the request is high, there is a round face near the nut.
Q:how much Specification for washers
Stop washer is used in conjunction with nut to prevent loosening of the nut washer. General is divided into round nut with a stop washer, the outer tongue stop washer, ear stop washer, single ear stop washer, etc..
Q:How to remove mildew on the rubber washer
Ask is there with the rubber pad, generally, with boiling water boil can, if it involves food above recommendations or not, because you may be the cushion glue for food, not moldy food because silicone rubber is used, a number of years, generally with the first half of the year, the reason is because of the high temperature and long time, from the original into toxic non-toxic,
Q:how to use Motor washer
Spring washer loose, as well as sealing gasket, corrugated gasket clearance
Q:I would like to ask what is the standard gasket and gasket in general what material?
Less dosage, the metal with Q235, rubber with XB200, are very common. If the amount is large, according to the situation to choose the most economical
Q:When do flat washers use GB95 when using GB97.1?
National standard GB95 applies to the performance level to 6.8, product grade C grade of the six head bolts and screws; as well as the performance level to level 6, the product grade is C grade of the nut, the surface of the hardened screwGB97.1 is suitable for six head bolts and screws with grade 8.8/10.9, grade A/B, grade 8/10, grade six, with a grade of A/B, and a self - tightening screw for surface hardening
Q:What is the difference between gaskets and seals?
The washer pad is connected between the nut pieces and parts; sealing ring, ring is formed by one or several parts of the cover, fixed in a ring or a washer bearing and another ring or gasket contact or metal ring is the flat form of the labyrinth of narrow gap.

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