Manhole cover

1.Load-bearing great 2.Corrosion resistent 3.Opens conveniently 4.Superior safety performance 5.ISO9001:2000

Manhole Cover and Frame
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

Other Detailed Description

1. Product information Surface is smooth of our products and free from sand holes, blow holes, distortion or any other defects. 

2. Material Ductile Iron GGG500 / Grey Iron GG20. 

3. Designs As per customers' drawings or samples. 

4. Process Green sand with hand molding.

5. Coating Black Bitumen Coated, Without coating or Coating as per customers' requirement.

Manhole cover