内页banner

GRP/Composite Products

Home GRP/Composite Products

EN124 D400(500*340mm)High-Density SMC Composite Stormwater Grating Cover

500x340mm SMC composite drain grating cover
Bottom structural design of heavy duty composite drainage grate
Perspective view of EN124 D400 anti slip road gully grating

EN124 D400(500*340mm)High-Density SMC Composite Stormwater Grating Cover

Material: Sheet Molding Compound (SMC)
Dimensions: 500*340*63 mm
Standard: Compliant with BS EN 124-5
Load Class: D400
Design: Anti-Slip Thread, Captive Structural Safety
Application: Urban Highways, Kerbside Gullies, Car Parks
 
  • Product Details

Looking for China-made heavy-duty SMC drain grating covers? FEILONG has you covered. Empowered by 9 digital workshops and an expert R&D team, we provide custom 500x340mm EN124 D400 grating covers tailored to your municipal or road drainage needs.From advanced technical drawings and rigorous load tests to high-standard independent laboratory inspections, we ensure uncompromised quality for heavy traffic applications.Our seamless OEM/ODM process is simple: we receive your specifications, design based on your exact load needs, and provide an approval drawing with a formal quote before complete sale. Contact our 24/7 sales team today for reliable mass production and on-time delivery!

 

                                                                                                     High density SMC composite trench grate with D400 load

 

Technical Attribute Specification Details Industrial Value
Standard & Class EN124 - D400 Heavy Duty Capable of bearing 40-ton moving loads
Material Process High-Density SMC Fiber-reinforced polymer, never rusts
Dimensions 500mm x 340mm Standard storm drain and road gully size

 

 

Features & Benefits:

 

Weight Loading: Certified to BS EN 124-5 D400 class, our grating covers are engineered for heavy traffic applications with an excellent load-bearing capacity up to 40 tonnes, making them perfect for urban highways, kerbside gullies, logistics parks, and car parks.

 

Lightweight: Manufactured from high-density SMC composite, it combines its high strength with a lightweight construction that is much lighter than traditional cast iron grates, allowing for easier handling and significantly lower installation costs.

 

Superior Durability: Its advanced non-metallic construction provides exceptional resistance to corrosion, UV exposure, chemicals, de-icing salts, and harsh weather conditions, ensuring long-term structural integrity throughout its service life.

 

Increased Safety: Features a specialized anti-slip thread surface and captive structural safety design to ensure maximum slip resistance and stability for both high-speed vehicles and passing pedestrians.

 

Anti-Theft & Low Maintenance: The premium composite material offers zero scrap value, completely eliminating the risk of theft. Compared with traditional metal alternatives, it delivers quieter traffic operation and drastically reduced maintenance costs.

SMC Drain Grating Cover

 

COMMON APPLICATIONS FOR SMC

SMC (Sheet Molding Compound) is a high-strength, lightweight composite material that combines fiberglass reinforcement with thermosetting resin. It offers excellent corrosion resistance, outstanding electrical insulation, and superior design flexibility, making it an ideal choice for applications requiring both durability and complex geometries across diverse industries, including:

*Municipal infrastructure

*Electrical and power distribution

*Automotive

*Construction and architecture

*Water and wastewater treatment

*Telecommunications

 

 

Leave 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.

Related Products

grate
250mm*750mm(9.8"*29.5)D400 Medium Duty Gully Channel Trench Gratings
Application: Carriageways of roads Material: Ductile Iron Paint and Color: Bitumen Paint Dimensions: 250 mm x 750 mm x 26 mm Lock System:Yes Seal:No Certifications:ISO9001,ISO14001,ISO45001,CE
drainge system
600mm*600mm(23.6")D400 Medium Duty Top Entry Grating
Application: Carriageways of roads  Material: Ductile Iron Paint and Color: Bitumen Paint Clear Open/Clean Aperture: 600 mm x 600 mm External Dimensions: 755 mm x 755 mm x 100 mm Lock System:None Customization:Available Certifications:ISO9001,ISO14001,ISO45001,CE
BMC 300*500mm Composite Resin Gully Grating
300mm*500mm(11.81"*19.69")People Passby Light Weight FRP Composite Gully Channel Trench Gratings
Application: Carriageways of roads Material: Composite Resin BMC Paint and Color: Customized Dimensions: 300 mm x 500 mm x 40 mm/500 mm x 500 mm x 30 mm Lock System:Yes Seal:No Certifications:ISO9001,ISO14001,ISO45001,CE
Channel Grating
500mm*500mm(19.7")D400 Medium Duty Top Entry Grating
Application: Carriageways of roads  Material: Ductile Iron Paint and Color: Bitumen Paint Clear Open/Clean Aperture: 500 mm x 500 mm External Dimensions: 544mm x 500 mm x 50 mm Lock System:None Customization:Available Certifications:ISO9001,ISO14001,ISO45001,CE
drainge system
400mm*400mm(15.75")D400 Heavy Duty Gully Grating
Application: Carriageways of roads  Material: Ductile Iron Paint and Color: Bitumen Paint Clear Open/Clean Aperture: 400 mm x 400 mm Internal Dimensions: 428 mm x 428 mm Lock System:None Customization:Available Certifications:ISO9001,ISO14001,ISO45001,CE
Composite grainage cover
300*300mm EN124 GRP Composite Manhole cover and Frame in Square Shape
Loading Capacity:A15/B125/C250/D400 Application:Pedestrians and Cyclists/Driveways and Car Parks/Slow Moving Heavy Traffic/Slow Moving Heavy Traffic Material:Fiberglass,Resin etc Color:Customization Available Clear Open:270.6*270.6mm Cover Dimension:300mm*300mm*28.5mm Frame Dimension:359mm*359mm*38.3mm Hinged:No Customization Logo:Available Certifications:ISO9001,ISO14001,ISO45001,CE
GRP FRP manhole cover
500*500*40 EN124 GRP FRP SMC BMC Composite Manhole cover and Frame in Square Shape from Chinese Supplier
Loading Capacity:A15/B125/C250/D400 Application:Pedestrians and Cyclists/Driveways and Car Parks/Slow Moving Heavy Traffic/Slow Moving Heavy Traffic Material:Fiberglass,Resin etc Color:Customization Available Clear Open:461*461mm Cover Dimension:500mm*500mm*37mm Frame Dimension:564mm*564mm*48.5mm Hinged:No Customization Logo:Available Certifications:ISO9001,ISO14001,ISO45001,CE
FRP manhole cover and frame
600*600*40mm EN124 GRP FRP SMC BMC Composite Manhole cover and Frame in Square Shape
Loading Capacity:A15/B125/C250/D400 Application:Pedestrians and Cyclists/Driveways and Car Parks/Slow Moving Heavy Traffic/Slow Moving Heavy Traffic Material:Fiberglass,Resin etc Color:Customization Available Clear Open:568*568mm Cover Dimension:600mm*600mm*39mm Frame Dimension:666.5mm*666.5mm*51.5mm Hinged:No Customization Logo:Available Certifications:ISO9001,ISO14001,ISO45001,CE
  • 3 production bases and 4 series products
  • 9 standardized digital workshops and 7 digital automatic production lines.
  • More than 200 sets of hydraulic equipment and More than 600 employees.
  • 200.000㎡ factory area.
  • Passed the CE,ISO9001, ISO14001 and ISO45001 certificates.
facebook linkedin youtube Tiktok
Subscribe

Please read on, stay posted, subscribe, and we welcome you to tell us what you think.

Submit

Copyright © 2026 Anhui Feilong New Material Co., Ltd All Rights Reserved. Sitemap | Blog | Xml | Privacy Policy Network Supported

Leave A Message

Leave 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.
Submit

Home

Products

whatsApp

contact