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:What is the meaning of the gasket / gasket material bar 200HV?
Washer / gasket material bar indicates that 200HV is the material mechanical performance grade for steel 200HV.Example: standard series, nominal size d=8mm, performance grade 200HV, without surface treatment of flat washers: washers GB97.1 - 858 200HVA part between a connector and a nut. A flat metal ring is generally used to protect the surface of the connecting piece from the nut.
Q:What is the reason why the rubber washer is small after use?
Rubber elastic loss (compression permanent deformation large), the rubber will lose the value of the work. If the dynamic load is the damping effect is poor!!! The specific design of rubber products can contact, contact Baidu private message!!
Q:How to remove mildew on the rubber washer
Method for removing mildew on rubber washer:Add one or two tablespoons white vinegar. Do not add detergentOrange or orange peel or lemon cut into small pieces, put into steam for a whileActivated carbon with gauze wrapped and then putBask in the shade or in the sunWash with soap or baking sodaDry with a desiccant, and then immediately get the sun outside the place to dry
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 difference between gaskets and seals?
Sealing ring is dedicated to seal, sealing effect is better.Gaskets are also included in the back pad, flat pad, spring pad, not necessarily a seal.
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:Nominal diameter 12 washers, outside diameter?
due to the material and craft limits to threaded fasteners, bolts and other fasteners supporting surface is not big, therefore to reduce the pressure on the surface compressive stress protection by fitting of surface, it adopts the washer.In order to prevent the loose connection vice with locking spring washer and more tooth lock washer, round nut and lock washer with saddle, waveform, conical spring washer.
Q:Do not use self tapping screws
Flat head screws, etc. also does not require the use of gasket. In many applications, the force of the screw is not large, often do not disassemble, there is no need for gaskets. And the existence of the gasket, affect the appearance, does not apply to the use of countersunk head screws.
Q:What are the advantages and disadvantages of car audio modification, wood washer and plastic washer?
Wood washer: divided into three plywood and MDF, they are afraid of water. In particular, the density board, see water expansion, brush waterproof, on the line. Advantages: can make the desired shape, there is no resonance.Plastic gasket defects: fixed shape, difficult to modify, there will be a little resonance, the advantages of super waterproof.If the horn is mounted directly on the plate, it is easy to cause resonance. This resonance will seriously deteriorate the quality. When the speaker vibrates, it will drive the steel plate to vibrate. Therefore, the main purpose of the installation of wood pad is to reduce the resonance, the installation of speakers more solid.
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

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