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720mm D400 Manhole Cover with Sub Lid

720mm D400 Manhole Cover with Sub Lid

Cover size 720mm, hinged, anti-theft.  A sub lid for spill-proofness. Standard EN 124 , load class D400, lockable, durable, lightweight.

  • item no.:

    JQ-720D
  • lead time:

    7-15 work days
  • product orgin:

    China
  • shipping port:

    Xiamen
  • payment:

    T/T
  • color:

    Optional
  • MOQ:

    50
products details


SMC Manhole Covers:


① SMC manhole covers have smooth and beautiful appearance, with many optional colors (black, gray, green, yellow, red). The cover surface is designed to be anti-skid and with delicate patterns and lines, product surface can be customized design.

② Lightweight. The weight of glass reinforced plastic manhole cover is 1/3 that of a cast iron manhole cover or cement manhole cover. So that SMC manhole cover is easy for one man operation, more convenient for daily inspection and maintenance, also can reduce the risk of labor injury.

Fiberglass has excellent toughness and are not easy to crack. The load bearing capacity can be graded up to A15/B125/C250/D400/E600/F900 according to standard of EN 124-1:2015, EN 124-5:2015.

④ Anti-corrosion and anti-aging, resistant to any harsh weather conditions. The properties of the fiberglass themselves give the products excellent high and low temperature resistance (the products can be used at -50~160℃), chemical resistance (acid, alkali, salt, organic solvent, etc.) and dimensional stability (very low coefficient of thermal expansion: 12*10-6/℃).

⑤ Compared to metal, the SMC material is with remarkable insulation and excellent dielectric performance. Through the improvement of the formula so that the product has excellent anti-static performance and fully meet the electronic industry SJ/T11159-1998 floor covering and assembly floor electrostatic performance requirements. Also, composite material is non-rusty, no scrap value and less noise. 

⑥ Long service life. Through the use of high performance resin, glass fiber and special production process formula, to ensure the resin penetration in glass fiber, greatly enhance the internal adhesion, so that the product has a high fatigue strength, under the action of a given effective load and frequency, its service life is usually not less than 30 years.

⑦ Environmental-friendly. The raw materials used are halogen-free, SMC is non-toxic products. The reasonable structural design solves the noise problem caused by the impact between the cover and the frame. 


Basic Parameter:


Model JQ-720D Load Class D400
Material SMC(sheet moulding compound)  Clear Opening 630mm
Technology Compression Moulding Cover Size 720*70mm
Work Temperature -50 ~ 160 Ourter Frame 870*96mm
Test/Standard CE/ EN124:2015 Shape Round
Service Life 30 years Weight 64.5kg
Warranty 2 years Lock/Hinge Bolts/Yes
Place of Origin Quanzhou, Fujian Colour  Optional


Anti-theft & Double-layer Design

1. The specially designed double-layer manhole cover is patented as a utility model.

2. It is equipped with anti-theft lock device and opening hole. The main cover and well base are connected by means of clamshell.

3, Double cover design is useful when the main cover damaged sub-cover can also play a temporary buffer role, to prevent falling danger. There are two handles on the sub-cover that can be opened directly without other auxiliary tools, and there are four leakage holes to prevent water from filling up.








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Send A Message

    If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.