Heavy Duty Square Sewer Ductile Iron Manhole Cover with Frame

• Material: Ductile Iron
• Shape: Square
• Certification: RoHS, ISO, CE
• Standard: En124
• Grating: C250
• Backup Time: 12hours
• Model NO.: Manhole Cover
• Communication Port: RS232 and Snmp
• Phase: Single
• Power Source: Electric Power
• Transport Package: Steel or Wood Pallet
• Specification: Customized available
• Trademark: OPTELEC
• Origin: China
• HS Code: 85044020
• Production Capacity: 100PCS/Day

Product Description

Heavy Duty Square Sewer Ductile Iron Manhole Cover with Frame

1) Product information: 
Manhole Covers are manufactured for construction and public use. Manhole Covers shall be smooth and free from sand holes, blow holes, distortion or any other defects 
2) Material 
a) Ductile Iron GGG500-7 & 400-12 
b) Grey Iron GG20
3) 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 
4) Process 
c) Molding boards 
d) Green sand with hand molding 
5) Coating 
a) Cold applied black bitumen 
b) Without coating 
c) Coating as per customers' requirement 
10) Different accessories are available 

 

Ductile Iron Manhole Cover and Grating	EN124:1994	Material: GGG500-7
Class	Application	Dimension (Frame mm)
A15	Pedestrians, Pedal Cyclists	Dia760
B125	Footways, Pedestrians, Car parks	290*290, dia800 ...
C250	Kerbside channel of roads	700*700, 600*800 ...
D400	Road, hard shoulders etc.	850*850, 920*920 ...