ductile iron manhole cover and frame

  Ductile Iron grating :   1. Classes: A15, B125, C250, D400, E600 and F900. 2. Design Standard:  BS EN1433 3. Material grade: GGG500/7. 4. Test: testing before shipping for the smooth surface and loading. 5. Coating: coating black bitumen, Or coating as customers' requirement. 6. Certificate: SGS, ISO9001.    Material of Manhole Cover :   

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 ...
E600	Docks, aircraft pavements etc.	as per your demands
F900	Aircraft pavements etc.	as per your demands

  Picture of grating:               "ASCENT" is your correct choice, please contact us asap!   SHANXI ASCENT INDUSTRIAL CO., LTD Building No.34, Changfeng Community, Taiyuan, Shanxi, China Tel: 0086 351 7922077  Fax: 0086 351 7921035  Mobile: 0086 13834557191 Web: www.ascentcn.com           www.ascentcn.en.alibaba.com