China Ductile Iron C250/D400 Channel Gully Grating Fabrication Steel Gratings
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Product Highlights
- Heavy Duty Load Capacity: Supports 25 tons for C250 class and 40 tons for D400 class loading.
- High Quality Ductile Iron: Made from spherical graphite cast iron with smooth surface free from defects.
- Custom Logo and Moulds: Customer logo can be changed; new moulds can be designed by R&D team.
- Multiple Certification: ISO9001:2015, TUV, BSI Kitemarked, SGS, BV, FM certified, UL, WRAS listed.
- OEM/ODM Service: Professional supplier for municipal products with strong R&D and manufacturing capacity.
- Stable Supply Capacity: Annual production capacity of 35,000 tons with advanced automatic moulding lines.
- Standardized Dimensions: Available in various sizes with clear openings from 150mm to 402mm and heights of 60mm.
- Secure Connection Design: Grating connects to frame strips with 4 carbon steel or SS304 bolts for stability.
Product Attributes
- Customization
- Available
- Certification
- CCC, CE, GS, ISO
- Application
- Steel Structure Walkway, Drain Cover
- Model NO.
- C250/D400
- Shape
- Flat Shape
- Manufacturing Method
- Machine Welding
- Material
- Carbon Steel
- Transport Package
- Wooden Box
- Specification
- D400 Class
- Trademark
- SYI
- Origin
- China
- Production Capacity
- 1000
- Package Size
- 50.00cm * 50.00cm * 50.00cm
- Package Gross Weight
- 20.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of China Ductile Iron C250/D400 Channel Gully Grating Fabrication Steel Gratings
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Product Description
SYI can supply ductile iron heavy duty D400 or medium duty C250 type channel gully grating, with or without two separate frame strips, grating can be connected the frame strips with 4 carbon steel or SS304 bolts.
Ductile iron C250/D400 channel gully grating is made from spherical graphite cast iron (ductile iron) by auto
machine moulding, flat top, without hinge. Very good quality, smooth and free from sand holes, blow holes, distortion or any othe defects. Loading capacity is 25tons or 40 tons. With or without kite mark.

The sizes of SYI Channel Gully Grating with the exsit moulds are as following:
| Item | Clear Opening | Cover Size | The depth of insertion | Frame size | Height | ||
| G15100C4 | 150X1000 | 200X1000 | 27 | 282X100 | 60 | ||
| G20100C4 | 200X1000 | 250X1000 | 27 | 332X1000 | 60 | ||
| G25100C4 | 250X1000 | 300X1000 | 27 | 382X1000 | 60 | ||
| G35100C4 | 350X1000 | 400X1000 | 27 | 482X1000 | 60 | ||
| G1575D | 152×750 | 200×750 | 54 | 290×750 | 60 | ||
| G2075D | 202×750 | 250×750 | 54 | 340×750 | 60 | ||
| G2575D | 252×750 | 300×750 | 54 | 390×750 | 60 | ||
| G3075D | 302×750 | 350×750 | 54 | 440×750 | 60 | ||
| G3575D | 352×750 | 400×750 | 54 | 490×750 | 60 | ||
| G4075D | 402×750 | 450×750 | 54 | 540×750 | 60 | ||
The marks including the customer's logo can be changed.
We have a strong R&D team, can design and make the new mould for you.
SYI Gully Gratings:
C250 Class (< 250 KN or 25MT) Specifications1) Flat Top Seriesgully
* Ductile Iron
* Flat Top
* Hinge Type
Dish-Shape Top Seriesgully
* Ductile Iron
* Dish-Shape Top
* Hinge Type
V-Shape Top Seriesgully
* Ductile Iron
* V-shape Top
* Hinge Type
Continuous Grating Series
* Ductile Iron
* Flat Top
* Continuous gratings
Production Facility

SYI Foundry is a Professional Supplier of the Municipal, Drainage & Machinery Products & Services!
SYI Foundry ( Shanxi Yuansheng Casting & Forging Industrial Co., Ltd. ) - a Proud Member of SYI Group- manufactures Manhole Covers, Gully Gratings, Surface Boxes, Tree Gratings, Bollards, Garden Benches, Cast Lamp Posts & Bases and all types of OEM/ODM municipal products and Outdoor Furnitures.
With annual production capacity of 35,000 tons, our major equipments include 2 sets of automatic moulding lines, 4 sets of 5-tons cupola and furnaces, 2 sets of load testing machines, 1 epoxy coating machine, 5 sets of core-shooting machines, 3 set of shot blasting machines, 4 set of water pressure machines, 2 machining workshops and all necessary chemical and physical test facilities.
CERTIFICATES
SYI Foundry regards quality as an essential and integral part of our business success. Until now, we are ISO9001:2015 TUV, BSI Kitemarked, SGS, BV, FM certified, and UL, WRAS listed. We are the approved supplier to many worldwide known countries and authorities. Manufacturing "SYI" Brand products has evolved as a mark of quality!

All the metals you can see on the street, we can supply!
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2291374". Items marked "" are certified.
Company Profile
Founded in 1988, SYI Group Companies have served the society for over 30 years with best Municipal, Pipeline and Machinery Products & Services, including Pipes, Fittings, Universal Couplings, Flanged Adaptors, Dismantling Joints, Valves, Fire Hydrants, Manhole Covers, Gully Gratings, Surface Boxes, Manhole Steps, Tree Gratings, Bollards, Flanges, Lifting Anchors and other OEM Castings and Forgings.
At Shanxi base, we have over 500, 000 square meters of workshop, warehousing and production facilities. We have automatic moulding machine lines, CNC machining center, professional laboratory, in-house pattern & tooling shops and most important - a group of highly experienced and technically qualified staff.
SYI regards quality as an essential and integral part of our business success. Until now, we are ISO9001: 2015 TUV, BSI Kitemarked, SGS, BV, FM certified, and WRAS listed, and approved by different countries and authorities. Manufacturing "SYI" Brand products has evolved as a mark of quality!
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Motianshi, No. 51, Binhe West Road, Taiyuan, Shanxi, China
-
Plant Area
- 67275.83 square meters
-
Number of Employees
- 90
-
Registered Capital
- 3,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Tianjin Port
Our Production Capability & Technical Expertise
-
Main Products
- manhole cover, grating, ductile iron pipe fitting, adapter and coupling, valve, oem casting parts, oem forging parts, oem machining parts
-
Production Machines
- Shot blasting machine, Mold sand casting line, Plasma cutting machine, Core machine, Strength testing machine
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 11 people
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 1999-05-14
- Export Year
- 2015-03-19
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, Australia
-
Number of Foreign Trading Staff
- 12
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
FAQ
- What are the load capacity classes available?
- We supply heavy duty D400 type (40 tons) and medium duty C250 type (25 tons) channel gully gratings.
- What material is used for the grating?
- The grating is made from spherical graphite cast iron (ductile iron) with a flat top and no hinge.
- Can the customer logo be customized?
- Yes, the marks including the customer's logo can be changed, and we can design new moulds for you.
- What certifications does the product have?
- Products are ISO9001:2015, TUV, BSI Kitemarked, SGS, BV, FM certified, and UL, WRAS listed.
- What is the annual production capacity?
- Our annual production capacity is 35,000 tons with 2 sets of automatic moulding lines.
- What are the payment terms?
- We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.
- What is the lead time for production?
- The average lead time is one month for both peak season and off season.
- Is OEM/ODM service available?
- Yes, we provide OEM and ODM services for municipal products and outdoor furniture.
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Product Groups
- 01.Ductile Iron Pipe
- 02.Ductile Iron Pipe Fittings
- 03.Valves & Fire Hydrants
- 04.Flange Adapter & Couplings
- 05.Flanges & Steel Pipe Fittings
- 06.Manhole Cover Series
- 07.Outdoor Series
- 08.Agricultural Machinery Parts
- 09.Heavy Industry Parts
- 10.Engineering Machinery Parts
- 11.Fire Hydrant Parts
- 12.Valve Casting Parts
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- Supplier Homepage
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- Grating
- China Ductile Iron C250/D400 Channel Gully Grating Fabrication Steel Gratings
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