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500x500mm Ductile Iron QT500-7 Gully Grate with 140KN Load Capacity and Rubber Gasket Drain Cover

Name: 500x500mm Ductile Iron QT500-7 Gully Grate with 140KN Load Capacity and Rubber Gasket Drain Cover
Brand: Handan Shengnada New Material Technology Co., Ltd.
SKU: SND Manhole Cover
Price: 20.00 USD
Availability: InStock

Product Details

Place of Origin: Handan, China

Brand Name: SND Foundry

Certification: ISO / CE

Model Number: SND Manhole Cover

Payment & Shipping Terms

Minimum Order Quantity: 10 tons

Price: $10-30/t

Packaging Details: wood pallet/ bulk

Delivery Time: 45 days

Payment Terms: L/C,T/T

Supply Ability: 20000 tons per year

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Product Details

Product Description

Product Details

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                                                                                                                                                                                                                                                                                                                                                                                                                                                500x500 Cast Iron Road Gully Gratings, Rectangular Gully Grid Drain Cover, 500x500 Cast Iron Gully Cover
                              

Product Name:	Anti Settling Cast Iron Gully Grate For Rain 500*500mm Sizes	Key Words:	Gully Grate
Sizes:	500*500mm	Class:	B125
Paint:	Spray Paint,	Feature:	Heavy Duty
Sealing System:	Rubber Gasket	Structure:	Integral
Material:	Cast Iron	Unit Weight:	10kg To 100kg
Durability:	Long Lasting	Inspection:	Professional Lab

Product Name:	Anti Settling Cast Iron Gully Grate For Rain 500*500mm Sizes
Key Words:	Gully Grate
Sizes:	500*500mm
Class:	B125
Paint:	Spray Paint,
Feature:	Heavy Duty
Sealing System:	Rubber Gasket
Structure:	Integral
Material:	Cast Iron
Unit Weight:	10kg To 100kg
Durability:	Long Lasting
Inspection:	Professional Lab

Product Description

500x500 Cast Iron Road Gully Gratings Rectangular Gully Grid Drain Cover

Anti Settling Cast Iron Gully Grate For Rain 500*500mm Sizes

Characteristics

Material: Made of ductile iron QT500-7, complying with GB1348 standards
Load capacity: Minimum 140KN bearing capacity
Surface finish: Flat and smooth with no cracks or defects
Connection: Grate and well ring connected by pin with ≥120° flip angle
Corrosion protection: Single coat of asphalt varnish

Key Features

Modern aesthetic with clean lines and silver finish
83.3% drainage area - more than twice cast iron capacity
Hot-dip galvanized for rust resistance and minimal maintenance
Hinged anti-theft design for security and easy access
Cost-effective alternative to traditional cast iron solutions
High strength suitable for heavy load environments
Multiple specifications available for diverse applications

Structural Advantages

Flange surface transfers load to pavement layer, reducing well sinking
Protects surrounding asphalt surface from water accumulation
Mechanized installation ensures level integration with pavement
Prevents pavement loosening and damage around installation area

Manufacturing Process

Material Preparation: High-quality pig iron and scrap iron are melted together, with magnesium added to create a ductile iron alloy.

Casting: The molten iron is poured into molds to form the basic shape of the manhole cover using sand casting methods.

Heat Treatment: Cast pieces undergo heat treatment to enhance strength and flexibility.

Surface Coating: Application of anti-corrosive coatings for durability in various environments.

Quality Control: Rigorous testing for load-bearing capacity, tensile strength, and dimensional accuracy.

Product Specifications

Model	Outer Dimensions (mm)	Inner Opening (mm)	Thickness (mm)	Weight (kg)	Shape	Load Class (EN124)	Application
ASG-600	600 × 600	300 × 300	30	25	Square	B125	Non-motorized lanes, residential areas
ASG-800	800 × 800	400 × 400	35	40	Square	C250	Parking lots, secondary roads
ASG-1000	1000 × 1000	500 × 500	40	55	Square or Round	C250	Light vehicle roads, commercial areas
ASG-1200	1200 × 1200	600 × 600	50	85	Square	D400	Urban main roads, motor vehicle traffic areas
ASG-1500	1500 × 1500	700 × 700	60	120	Square or Round	E600	Industrial parks, ports, heavy vehicle areas
ASG-1800	1800 × 1800	800 × 800	70	180	Round	F900	Airport runways, docks, ultra-heavy equipment zones

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Contacts: Mr. Andy

Tel: 86--198 3265 7175

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