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:A general set of screws have a few nuts, bolts, washers?
Different bolt standards have different supporting methods, such as GB1228 big six angle a set of bolts contains 1 bolts a nut, and the gasket, and the shear bolt type is the 1 set of the bolts of a nut, the 1 gasket 1
Q:Why do you have to add a spring washer when it comes to the role of ah ah ah
The main function of the spring washer in the mechanical design, production to prevent the nut (or bolt) automatically loose, and even force.
Q:What material is used for spring washer
Spring cushion ring: widely used in the mechanical and bearing capacity of the general mechanical products, which is characterized by low cost, easy installation, suitable for frequent loading and unloading parts. But the spring washer is very loose! Especially in Europe and the United States in the current requirements of high reliability products, the use of very low rate, especially the important load-bearing structure of the connection site has been abandoned for many years. Our country has some applications in the military, but has been improved to stainless steel materials. It is said that the steel spring washer in CASC was banned! It is also said to be very unsafe, there are two reasons for the 1 is up ring is hydrogen embrittlement of 2.
Q:How to use washer, gasket, o-ring "
Different purposes, the installation position and the corresponding flange are different, if this is how to choose, advantages and disadvantages, too much information
Q:how to Flat washer installation
Flat washers are used on both sides, are required to install.
Q:Gasket A140 what is the material
A140 belongs to stainless steel, used for corrosive medium environment to do flat washer;
Q:Specific conditions for use of spring washers
A large number of materials in electronic and electrical appliances, carbon, stainless steel, copper alloy etc.. WL type corrugated washer: WL type corrugated washer as a mouth 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 bearings. In addition to the electronic appliances also have a large number of applications. Materials are carbon steel, stainless steel, copper alloy, etc.. WN type: WN type wave washers wave washer for multilayer wave overlapping elastic gasket, the series and type WL comparison, because is composed of multilayer material, so in the same compression stroke under the curve of K value is WL gentle, suitable for the whole working stroke and large elastic, elastic and uniform release situation.
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:In the design, the bolt connection is necessary to have a gasket?
The bolt must not install gasket, join many planes and automobiles and ships, wind turbines, atomic energy equipment is not installed gasket, everywhere is whether heavy vehicles or small bolts on the wheel without gasket. Gasket is the name of the washer, flat washers, special washers, spring washers, washers, washers. Installed not installed gasket, what gasket, depending on the specific design requirements, to have the basis of choice. In general, the position of the bolt hole is very high, the bolt hole diameter is relatively small, with close to that level of reaming hole, install flat washer is unnecessary, it does not have the nut friction. For those with very rough hole bolt connection, such as with M12 bolt hole diameter of 16mm, 18mm, it should be installed flat washer. This connection is often a lap of the steel frame, the location of poor manual drilling equipment. The automobile gear box is usually a hole on the production line and the position of the hole is high, and the bolt hole with the gap is relatively small, do not install the washer, otherwise the smaller contact area of the nut, the bolt is easy to loose.
Q:What is the meaning of the gasket / gasket material bar 200HV?
Should be less than 200HV, which is gasket, should consider the tightness, high hardness of the seal is not good!

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