Manhole Cover BSEN 124 Sanitary Sewer Round of SMC Composite Material

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
200000 m.t./month

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Item specifice:

Material: Ductile Iron Standard: ANSI,BS,DIN,GB,ISO,JIS Power Supply: DC Power,Gasoline,Diesel,AC Power
Customized: Customized Surface Treatment: Zinc Plated

Product Description:

1.Ductile 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.
3.Designs: based on EN124 standard and according to customer's drawing or samples.
4.Color: black, Grey, green, blue and Marble , etc.
5.Inspection: in-house or the third party as per customer's request.

2.Main Features of the Ductile Iron Manhole Cover:

1. 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.
2. 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.
3. 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.
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
3.Manhole Cover Images:

Manhole Cover BSEN 124 Sanitary Sewer Round of SMC Composite Material

Manhole Cover BSEN 124 Sanitary Sewer Round of SMC Composite Material

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) Designs
A) EN124 Class B125 C250 D400 F 900, with different size and grammage, or as  customers' requirement.
B) as per customers' drawing or samples

4) Process
A) Molding boards
B) Hand Casting
5) Coating
A) black bitumen or epoxy .
B)Coating as per customer's requirement
5.FAQ:
We have organized several common questions for our clients,may help you sincerely:
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:Screw, nut, gasket connection order is how ah, elastic gasket and cushion under what circumstances should be placed on the
The main purpose of the elastic cushion is to prevent loosening, which is added at the end of the screw, and the screw nut is arranged on the side of the nut.
Q:Would like to know the role of flat washer?
In simple terms, the fastener medium has mainly above the washer, sealing, decompression, increase friction damping, fixed five role.
Q:How to use washer, gasket, o-ring "
Three are used to enhance the sealing performance of the accessories, in general:Washer gasket, a uniform thickness of the ring, used in the bolt to enhance the connection between the fastening; gasket gasket, a variety of shapes, for a variety of occasions, enhance the tightness. In general, both are metallic and washer is included in the category of gasket.Liner and O-ring are commonly referred to as sealing ring, rubber material, shaped like a mini version of the buoy, but the wall thickness is larger and better elasticity, mainly used for instrument installation in Glen head.
Q:Why do you have to add a spring washer when it comes to the role of ah ah ah
If the screw on a spring washer, screw and screw hole fixed, due to the role of the spring washer spring will greatly reduce the possibility of loosening screws, falling off
Q:how to use Motor washer
What gasket, rubber reduces vibration, metal reduces pressure
Q:I would like to ask what is the standard gasket and gasket in general what material?
Carbon steel, if there are 45 steel, 65 manganese, that is, medium carbon steel, low carbon steel.
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:Specific conditions for use of spring washers
The inner tooth elastic washer and the outer tooth elastic washer circle are provided with a plurality of sharp elastic teeth which are pressed on the supporting surface, which can prevent the loosening of the fastener. The inner tooth elastic washer is used for the screw head with smaller head size. The elastic washer with teeth is smaller than the ordinary spring washer, and the fastener is even and reliable to prevent the looseness. Wave spring washers GB: GB/T 7246-1987 wave washers are divided into WG, WL type and WN type WG type WG type wave washer: wave washers for open type elastic washer, it usually can be installed in a small space, such as to reduce bearing prestress bearing running noise, improve the operation accuracy and stability of bearing there are also applications.
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:I would like to ask the car transmission inside the thrust washer (thrust washer) is used to do ah?
Transmission in order to reduce the noise, the general design of gear teeth, which in the operation of radial force, thrust washer is to prevent excessive wear of the gear side!

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