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Quick Details

  • Place of Origin: Shanxi, China (Mainland)
  • Brand Name: SYI
  • Model Number: Manhole Cover-SYI
  • Application: Municipal & Urban
  • Material: Iron, Ductile Iron
  • Dimensions: Various Clear Opening Diameter
  • Product: A15 Square Clear Opening 170/220/320 Double Seal Manhole Cover
  • Brand: SYI
  • Loading Test: At Least 40 ton
  • Service: OEM/ODM is offered
  • Height: 100mm
  • Coating: Black Bitumen/Epoxy Painting
  • Inspection: Advanced Equipments+ Professional Quality Team
  • Certifiate: BSI Kite Mark& TUV ISO 9001&BV&SGS certificate
  • Others: Owning Experienced Designing Team

Packaging & Delivery

Packaging Details Fumigated wooden pallets or iron pallet or as per client's requirement
Delivery Time 15-20 Days, depends on the demand quantity


1. About A15 Square Clear Opening 170/220/320 Double Seal Manhole Cover

  • Product Description:

     Material: Grey Iron

     Ranges: A15
     Clear Opering: 170/220/320/420/520/620
     Seal: Double Seal 
     Lock: Without
     Key hole: Closed
     Cut-corner Design: available



  • Specific Dimensions:
Item Code Frame Dimensions (mm) Cover Dimensions (mm)

Pieces on
Each Pallet

O × O’ A × A’ H C × C’ e


2. Design:

Professional software used for design and test

  • A group of highly experienced technical engineers are right here waiting for any of your request.
  • We are able to use most of the world-wide engineering software, including AUTO Cad, Pro Engineer, Solid Works and etc.


3. Production Facility

Besides traditional hand moulding, we also use Automatic Moulding Lines for better surface condition and dimension accuracy.


4. Quality Control



Permanent Set and Load Test

An independent Quality Control is supervised directly by General Manager and responsible for following duties:

  • Physical and chemical analysis, dimension measurement, weighting and other inspection of the raw material and finished products.
  • Particular test for different products.
  • Visual measurement and conformation to standards.
  • Identifying, recording and disposing of rejected material.

5. Certificates - We Are Certified!



6. Contact SYI Group


SYI Industrial Co., Ltd.

  • Email: zhangjian#syifoundry.com (# = @)
  • Tel: 0086 351 2027764
  • Fax: 0086 351 4040962
  • Website: www.syifoundry.com

You will get our quick reply!
Best regards
SYI Group


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China (Mainland) | Manufacturer, Trading Company
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Supplier's Trade Assurance Limit: US $170,000
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