Basic Info.
Model NO.
GRT1 manhole cover
Certificate
SGS Certificated and Ce
Load Rating
BS En124 D400
Frame Finishing
Powder Coated
Feature
Easily Assembled, Rot Proof
Sign Type
Operation Area Sign
Solar Cell Type
Composite Manhole Cover
Transport Package
as Customer′s Requirements for Manhole Cover
Specification
20kg-120kg, 300mm-1000mm
Product Description
Customized Composite Manhole Cover for roadway
composite manhole covers
Product introduction:
1,Glass fiber reinforced plastic covers adopts unsaturated polyester resin as matrix of fiber reinforced thermosetting composite material, also called regiment shape mould plastic (DMC), with pressure molding technology is made, is a kind of new environment-friendly power cover plate.
2,With high-temperature and high-pressure once moulding technology, the degree of polymerization, high density, good resistance to impact and tensile strength, have wear-resisting, corrosion resistant, rusty, non-pollution, free maintenance etc.
| Item No. | Cover Size(mm) | Clear Opening(mm) | Approx Weight(kg) | Material | Color |
| GRT01 | 700x70 | 646 | 59.6 | SMC BMC | Any |
| GRT02 | 700x50 | 657 | 36.3 | SMC BMC | Any |
| GRT03 | 700x30 | 660 | 21.8 | SMC BMC | Any |
| GRT04 | 500x40 | 460 | 16.6 | SMC BMC | Any |
| GRT05 | 400x40 | 360 | 10.6 | SMC BMC | Any |
| Products | Manhole covers and Water grates |
| Standard | EN124 |
| Class | A15, B125, C250, D400, E600, F900 |
| Shape | Round,square,rectangle |
| Color | Black, Grey, Green, Blue, Yellow, Red or as client's design |
| Advantages | High intensity,
Lighter in weight,
Good anti-theft,
Corrosion-resistance,
Elegant appearance,
High precision,
High durability |
| Other information | We have our own design team, sample workers and professional production plant, could make any type of products according to customers' drawing or samples |
Product features:
1,Internal use mesh reinforced enhancement, key mechanical parts, special strengthen occurred in the inevitable external shocks, can quickly dispersed pressure guarantor car safety.
2,Products: the optimal design of the stress of the posterior special skeleton, special strengthen key positions.
3,Advanced structure, light weight, appearance generous, flawless, without delaminating ,without bending deformation, prevent channeling move, safe in operation and convenient.
4,High precision: this product bases, cover small clearances, occlusive close, overcoming the similar products running, jumping, ring, etc.
5,Environmental protection with raw material non-toxicity, it will not influence to user.
Application:
(1) Electric power pipeline well; Post, telecommunication, communication pipeline well;
(2) Street lamp well, fire control well, all kinds of valve well;
(3)City water, drainage pipeline well; Heat supplied, gas well;
(4)Anti-corrosion project, open ditch; It as well as can be made according to customers requirements.
The comparison of composite manhole cover craftworks
| Product Project |
BMC Product |
SMC Product |
CRP Product |
Material | A. Unsaturated Resin
B.10-50mm Short glass fiber
C. Calcium Carbonate
D. Low shrinkage agent
Mold release agent
E. Steel Bar | A. Unsaturated Resin
B. 30-50mm Short glass fiber
C. Calcium Carbonate
D. Low shrinkage agent
E. Mold release agent | A. Unsaturated Resin
B. Continuous long glass fiber
C. Quartz Sand
D. Additive a
E. Additive b |
Technology | 1. Put A,B,C,D,E in the kneading machine and come into being mass molding(BMC);
2. Put BMC in the mould,add steel bar ,molding under a certain temperature and pressure then forming
3.Stripping,trimming,
inspection | 1. Put A,C,D,E in the batching tank and stir evenly, coating come into being sheet molding plastic on B (SMC);
2. Put SMC in the mould,add steel bar if necessary ,molding under a certain temperature and pressure then forming
3.Stripping,trimming,
inspection | 1. A,B ,D were formulated as continuous fiber reinforced materials. A,C,D were formulated as aggregate. A,C,E were formulated as surface wear resistant material;
2. Put different material in different mould (Don't put steel bar)
3. Mounding under a certain temperature and pressure;
4.Stripping,trimming,
inspection
|
Process
characteristics | 1.Homogeneous material,Cheap
2.Easy production | 1.Homogeneous material,Not cheap
2.Easy production | 1.Different material, different formula
2.Complex production
|
Performance | 1.Smooth surface
2.Color uniformity,like plastic
3.Low bearing capacity ,only can manufacture level A.B product
4.Surface does not wear
5.Low cost relatively | 1.Smooth surface
2.Color uniformity,like plastic
3.Can manufacture level A.B.C.D product
4.Surface does not wear
5.Very high cost | 1.Good surface texture
2.Easy to personalized product
3.Can manufacture level A.B.C.D.E product
4.Good surface wear resistance
5.Obvious price advantage for level C.D.E product |
Please feel free to send us your enquiry.
Anna Rao
Address: Rm. 602, Building 2, Yonghong Jiayuan building, Nanhu Road, Tianxin Dist., Changsha, Hunan, China
Tel: 0086-731-85776808
Fax: 0086-731-85776828
Mobile: 0086 15111363541
Website: http://csgreat.en.made-in-china.com/ http://csgreat.en.made-in-china.com/
Address:
No. 44, Nanhu Street, Tianxin District, Changsha, Hunan, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Construction & Decoration, Industrial Equipment & Components, Light Industry & Daily Use, Manufacturing & Processing Machinery, Tools & Hardware
Management System Certification:
ISO 9001, ISO 14001
Company Introduction:
Changsha Great engineering Machinery Co. Ltd established in 2004, located in Changsha, Hu Nan province. As a professional manufacturer of slewing bearings which mainly using on construction machines like excavators, mobile cranes, tower cranes, rail cranes, water treatment equipment, and milling machine etc. With superior technology, excellent product quality and super service, Changsha Great satisfied many customers at domestic and overseas market.
Through many years of development, Changsha Great have enlarged the new business of excavator parts, FRP manhole cover, protect safety products. Now Changsha Great developed into an enterprise integrating design, production, sale and service. Changsha Great now get a good reputation in America, European, Middle East East, South-East Asia and Russia markets. Changsha Great always adhere to the " sincerity-oriented, keep improving " business philosophy to offer clients first-grade products and service.
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