Manhole Cover EN124 D400 Made in China on Hot Sale
- 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
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:
1. Designed structure & pressure dispersion
Arc-shaped bottom structure allows the pressure they bear disperse averagely on the whole surface. Besides, the products are made not by SMC, it was put in several layers of fiber cloth to enhance the structures. So they are stronger than SMC composite manhole covers.
2. 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.
3. 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.Manhole Cover Images:
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) Process
A) Molding boards
B) Hand Casting
3) Coating
A) black bitumen or epoxy .
B)Coating as per customer's requirement
4) Different accessories are available
5) Packing:
Wooden case or wood pallet, or as per customers' 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. 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.
However, the best way to obtain easy access is to have a bespoke, hinged manhole cover.
- Q:Install the shaft to install a few gaskets is appropriate?
- As the frame five depending on the length, five links on the left side of the 68mm length of one and two on the right side, the length of the 73mm five on the left side of the right is not installed, install a washer, the thickness is the same as long as you can buy time, usually have three washers.
- Q:Why do some nuts and washers, and some nuts without washers
- This is according to the requirements of the guests. Some need to add, some do not need to add
- Q:What is the role of flat washers? There is a friend who can introduce
- In simple terms, the fastener medium has mainly above the washer, sealing, decompression, increase friction damping, fixed five role.
- Q:What material is used for spring washer
- Usually with 65MN spring steel or 70# carbon steel, 3Cr13, also available in stainless steel material SUS304 or SUS316. 65Mn or some other low carbon steel, such as Q235, Q195, etc.
- Q:What are the advantages and disadvantages of car audio modification, wood washer and plastic washer?
- The plastic washer is made of plastic, plastic washer at home, also known as plastic washers, washers (Washers) resin, plastic washer or nylon washer (the most common domestic market is mostly made of plastic washer nylon 66). Compared with metal gaskets, it has excellent insulation, corrosion resistance, thermal insulation and non magnetic properties, and light weight, widely used in semiconductor, automotive, aerospace industry and interior decoration and other fields. The number of materials used as many as 10 kinds, including PA66, PC, with the best performance of special engineering plastics PEEK, with glass fiber reinforced RENY and PPS, fluorine resin PTFE, PFA and PVD, etc..Wood washer to prevent resonance, but not waterproof.
- Q:Thank you for your support
- Depends on where to use!The spring washer is used in the mechanical combination to fasten the anti vibration and non seal components!
- Q:How do you choose the appropriate gasket for bolt or screw connection?
- When the bolt is connected, the target of the washer is to disperse the material which is connected with the material, reduce the damage to the surface of the material to be connected when the bolt or the nut is reduced, or prevent the loosening of the bolt. When you choose the gasket can be the actual need to relax the use of spring washers, to protect the surface of the material to be connected, optional plain washers. The principle of choice is that the inner diameter of the washer is slightly larger than the outer diameter of the bolt. Screw connection, the use of slightly larger than the location of the largest screw flat washers can be.
- Q:Specific conditions for use of spring washers
- Standard for use with spring washers? Should not. Spring washer main role is to prevent 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:What's the meaning of the "200HV" of the gasket material? Is that the hardness level? What materials are usually chosen? Know predecessors please advice, younger brother is not very grateful!!!
- Should be less than 200HV, which is gasket, should consider the tightness, high hardness of the seal is not good!
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Manhole Cover EN124 D400 Made in China on Hot Sale
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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