Gold Member Since 2014
Audited Supplier
Hebei Mingda International Trading Co., Ltd.

Manhole Cover, Casting, Cast Iron manufacturer / supplier in China, offering Ductile Iron Manhole Cover and Gully Grates, OEM Stainless Steel Precision Casting for Pump Part, OEM Custom Ductile Iron Sand Casting for Pump Part and so on.

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Supplier Homepage Product Iron Casting Manhole Covers and Frames Ductile Iron Manhole Cover and Gully Grates

Ductile Iron Manhole Cover and Gully Grates

Purchase Qty.:
100-9,999 10,000+
FOB Unit Price: US $2 US $1
Purchase Qty. (Pieces) FOB Unit Price
100-9,999 US $2
10,000+ US $1
Get Latest Price
Production Capacity: 80000PCS/Year
Transport Package: Carton, Wooden Cases
Payment Terms: L/C, T/T, D/P, Paypal

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Product Catalog
ductile iron manhole cover
39 Products
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Basic Info
  • Model NO.: 400X120mm
  • Casting Method: Directional Crystallization
  • Application: Instrument Accessories
  • Material: Iron
  • Surface Roughness: Ra0.05
  • Certification: ISO 9001:2000
  • Weight: 1-50kg
  • Trademark: MINGDA
  • Origin: Hebei China
  • Type: Clay Dry Sand
  • Sand Core Type: Sodium Silicate Sand Core
  • Machining: Boring Machine
  • Surface Treatment: Shot Blasting, Paint Spraying
  • Standard: AISI
  • Size: 400X120mm
  • Product Process: Casting
  • Specification: SGS
Product Description
Manhole Covers are manufactured for construction and public use. 
Manhole Covers are smooth and free from sand holes, blow holes, distortion or any other defects 
There are two casted manhole covers: Cast rion manhole cover and ductile iron manhole cover 
1. Material 
A) Ductile Iron GGG500-7, we call it ductile iron manhole cover 
B) Grey Iron GG20, we call it cast iron manhole cover 
2. Designs. 
A) EN124 A15, B125, C250, D400, E600 and F900 
B) A60005 for casting design 
C) Major standards designs available 
D) As per customers' drawings or samples 
3. Process 
1) Molding boards 
2) Green sand with hand molding or DISA line molding 
3) Resin shell sand. 
4. Coating 
A) Cold applied black bitumen 
B) FBE or epoxy primer coating 
C) Coating as per customers' requirement 
D) Different accessories are available 
EN124 A-F900 300-1600MM BSI KITE MARK, SGS EN124 
EN124 divides Manhole Covers and Drainage Gratings into six classes as follows: 
A15, B125, C250, D400, E600, F900. 
The classification denotes the test load expressed in kN. For example, Class D400 denotes aproduct that complies with a test load of 400 kN.

Ductile Iron Manhole Cover and Gully Grates
Ductile Iron Manhole Cover and Gully Grates
Ductile Iron Manhole Cover and Gully Grates

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Mr. Yanhui Li
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