Locked Fiberglass reinforced manhole cover & Round SMC FRP manhole cover & Composite manhole cover with handle

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Product Overview


Locked Fiberglass reinforced manhole cover & Round SMC FRP manhole cover & Composite manhole cover with handle

Product Description

 FRP Composite manhole covers  main components are fibreglass and unsaturated resin. Our factory existing moulds load capacity are A15, B125, C250, D400, E600 etc. We can free design, Such as Color, Logo, Panel, Load and Dimension. We can be designed according to the requirements of customer. The covers  non-conductive and non-sparking, has no value of recycling, completely solving the theft problems .The minimum lifespan  is 30 years free of maintenance . It can be installed hermetically, and effectively prevent poisonous gases leaking out from cesspool. It will not rust because it has good wear and corrosion resistance.High and low temperature resistance, excellent insulator ( from-40°C~200°C), the weight of composite manhole cover especially SMC manhole cover is lighter more convenient to transport, install and repair.



All the sizes of manhole covers are available in the following load bearings.


1. 5 tons (A 15) / 2.5 tons / 5 tons / 10 tons / 12.5 tons (B 125) / 20 tons / 25 tons (C 250) / 40 tons (D 400)


                          Zaoqiang Longtime FRP Product Co., Ltd

                                 Manhole Cover Specifications (mm)







300 mm

300 mm x 270 mm

300 mm x 300 mm

400 mm

600 mm x 450 mm

400 mm x 400 mm

500 mm

700 mm x 500 mm

450 mm x 450 mm

600 mm

800 mm x 450 mm

500 mm x 500 mm

690 mm

900 mm x 450 mm

600 mm x 600 mm

900 mm

900 mm x 600 mm

675 mm x 675 mm

1000 mm

990 mm x 1220 mm

750 mm x 750 mm

1100 mm

950mm x 750mm & 600mm x 750mm 
(2 covers with single frame)

800 mm x 800 mm


675 mm x 2210 mm 
(3 covers with single frame)

900 mm x 900 mm


675 mm x 1440 mm
(2 covers with single frame)

900 mm x 900 mm 
(2 covers with single frame)


800 mm x 1600 mm
(2 covers with single frame)

1000mm x 1000mm



1200mm x 1200mm



1500mm x 1500mm


Frp Manhole cover features:

1) Guard against theft

2) High load capacity

3) Free design

4) Long life & Well sealed  

5) Good wear and corrosion resistance 

6) High and low temperature resistance 

7) Lighter weight and more competitive price




D400 Manhole cover Spec:


SMC cover.jpg

D400 .jpg


Product Advantages

 1) Environmental protection

 With raw material non-toxicity, it will not influence to user.

 2) Longevity

composite material manhole cover has the advantages of high strength,,and good electrical insulation properties, waterproof,aging resistance, acid and alkali resistance, impact resistance.

 3) Competitive price

 The price of compound manhole cover is lower than stipulated standard cast iron ones.The manhole cover has no recycling value, to the Ministry of construction industry standards. 

 4) Light weight

 The weight is 1/3 lighter than cast iron ones so that it is convenient to transport, install, rush repair; construct easily and reduce working intensity. 

 5) Nice appearance

 Beautiful appearance and rich colors, the cover is not sprayed in surface but painted in whole material so that the color can keep lasted.

 6) Anti-theft

 Non-recycle material, anti-theft naturally; the lock attachment can prevent tunnel products from losing, therefore city blackhole can be stopped totally.

 7) Low noise

 Harsh noise and rebounding free when car roll. 



Packaging & Shipping

 Factory stock and packing:






 Our Factory:



Our Services




1.What color can you produce?

--Black, blue, brick red, green, grey etc. If you need special color, please provide sample.
2.How about the delivery time?
--Lead time since receipt of 30% T/T deposit payment: 15days; 

  Samples will be prepared within 5days.
3.What's the MOQ and payment you support?
--Generally speaking the MOQ is 1tonne,but we also can provide you samples for quality inspection.
    T/T,L/C, Western Union, Cash are accpeted
4.May I put our company logo on the cover ?

--Sure, OEM service support.

5. How long using life for your products ?

--At least 30 years.
6.Do you charge for the samples ?
--Sample is not for free,but if you place the order, we will deduct the sample cost from the order.



If you have any question,please contract with us,we will help you 

Hope we can have a good cooperation, establish long-term relationship ^--^

Online chating: wangwang





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