Customized Ductile Iron Manhole Cover and Frame

• Customization: Available
• Material: Iron
• Shape: Square
• Model NO.: manhole cover
• Certification: ISO, CE
• Size: 400X120mm
• Weight: 1-50kg
• Product Process: Casting
• Transport Package: Carton, Wooden Cases
• Specification: SGS
• Trademark: MINGDA
• Origin: Hebei China
• Production Capacity: 80000PCS/Year

Product Description

Product Description

 

Products 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 
 

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