FRP molded grating

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Product Overview


NameFRP Composite Grating
TechnicsSMC:Sheet Molding Compound
ReinforcingMaterials:Glass fiber and glass mat
Basic MateriaSpecial unsaturated polyester resin
Auxiliary Material

Gel coat resin,firming agent

accelerating agent and abrasive material.



StantandEN124   ISO:9001             
Inspection manhole cover made of ploymer matrix composite



Guard against theft:
Due to the material can not be recyle,so it's an anti-theft produc.


Outproducts with great effective load.High-strengh,good toughness,impact resistance ,non-     conductive,corrosion resistance and it be able to bear+80 to -40

Without displacement and noise pollution:

In order to overcome existing manhole cover potential danger to traveling vehicle that results from manhole covers displacement and bounce the with wheel movement when it is rolled by vehicle as well as collision noise between manhole cover and foundation .FRP manhole cover is equipped with displacement prevention and shock absorbing device at joint part of manhole cover and foundation.Which thoroughly eliminates the potential traveling vehicle danger and noise pollution.

Easy to color  

It will be designed according to clients requests.



undergrounder electrical installations

telecommunications installations                       

water installations

petrochemical installations                        

and so on


   We're a leading manufacturer specailized in making casting manhole cover,which have been sold well around the word.In Europe,our products take the most majority,and they have a good and stable quality.

   If you are interest in our products,pls feel free to contact me




EN124 Non-slip Square Cast Iron Manhole Cover With Hinge



payment termL/C;T/T(30% paymentin advance,70% against B/L copy after shipment goods)
materialductile iron, grey iron
mouldsteel mould, al. mould, wood mould
typeround, square, triangle or as clients' drawing
design featuresafety and long service life, loading pressure, with anti-theft lock
service lifemore than ten years
coatingcold applied black bitumen; without coating as per customers’ requirement
useused in motor lane, municipal pipeline, communication, power supply, water supply, footway and other projects
Componentslock system, plastic gasket, bolt, screw
CertificationEN124 & ISO certificate



1.Suitable for pedestrian areas,household polts and parked cars.

2. Finish: - Coating will be black bituminous paint,or as customer requirements.
3. Marking: - It will be casted as required.
4. Manufactured to BS EN-124-94. 5. Lockable, with a rubber fitted into the frame.
6. Frame/Cover design may vary as per size.
7. Material: - ISO 1083-500/7.

8. Options: - Locking and lifting keys.

9. We can designed and manufactured as customer requirements.

10.Anti-theft: Cover and base frame integrate connection.
11.Load-bearing great: The toughness of ductile iron is fourfold that of ordinary cast iron, close to steel materials, suitable for all kinds of road use!
12.Corrosion resistent: Sewer internal environment complex, filled with various chemical substances, ductile iron does not suffer chemical corrosion, service life more than 30 years.
13.Opens conveniently: Light weight, single unarmed can be open, convenient downhole maintenance!





662 SGS-EN1241994 .jpg661 SGS-ISO 90012008 .jpg







About us:


Changzhan HUIHUANG Foundry has been involving in casting business for more than 20 years. Based on good quanlity, competitive price, on-time delivery, we've got great reputation all over the world. Not only do we have advanced equipments, but also own a very strong engineering team. Some of our engineers have been working in casting fields for over 10 years.


Changyi City Changzhan Casting Co,.Ltd,will serve you wholeheartedly. Warmly welcome all the users and customers to patronize, and share mutual benefit and prosperous future.


Dear, any problem welcome to contact me.

0.9116 s.