Middle size manhole covers cast iron parts

1.Material:ductile iron GGG500-7 2.standard:EN124 3.pressure:A15,B125,C250,D400,E600,F900...

Cast iron manhole cover

SPECIFICATION

Class B125				Class C250					Class D400
Long ext. Frame Diam(mm)	Clear opening Diam(mm)	Height(mm)	N.W.(kg)		Long ext. Frame Diam(mm)	Clear opening Diam(mm)	Height(mm)	N.W.(kg)		Long ext. Frame Diam(mm)	Clear opening Diam(mm)	Height(mm)	N.W.(kg)
300	200	30	7		400	300	35	15		500	400	75	32
400	300	30	10		500	400	40	23		600	500	75	48
500	400	35	17		550	450	45	30		700	600	75	70
600	500	35	29		600	500	45	34		800	700	80	95
700	600	40	42		700	600	50	53		900	800	90	113
800	700	45	55		800	700	60	66		1000	900	100	154

FEATURES

1.Material   a) Ductile Iron GGG500-7 & 400-12   b) Grey Iron GG20

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   a)Molding boards   b) Green sand with hand molding 4.Coating   a) Cold applied black bitumen   b) Without coating   c) Coating as per customers' requirement 5.Different accessories are available