Manhole Cover

1. Advantage of our Manhole Covers
1)High load rating and strength
2)Against theft and safety options
3)Durable service life.
4)Free design

2. Detailed information of manhole cover
1) Various manhole cover made by GX Foundry strictly conform to standard and free from sand holes, blow holes, distortion or any other defects
2)Processes:
A) Automatic machine lines
B) Moulding boards
C) Green sand with hand moulding
3)Guarantee: GX Foundry will replace any heavy duty castings that have been properly installed and broken in normal use, free of charge after receipt of the broken castings.

3. Size( customized available for other dimensions)

Name Partsize (mm) Material Weight(kg)
Φ Φ 1 Φ 2 Φ 3 a1 a2 b1 b2 b3 b4 h1 h2 h3 h4 r1 r2 r3 r4

Lightweight ductile iron manhole covers Φ 500 Φ 480 Φ 532 Φ 540 180 140 10 8 13 86 9 31 60 6 140 210 6 8 QT500-7 25
Φ 600 Φ 580 Φ 632 Φ 640 210 170 12 8 13 105 9 31 65 6 170 240 6 8 QT500-7 34
Φ 700 Φ 680 Φ 732 Φ 740 250 210 12 9 15 120 9 31 70 6 210 280 6 8 QT500-7 44
Φ 800 Φ 780 Φ 832 Φ 840 280 240 12 9 15 138 9 31 75 6 240 310 6 8 QT500-7 55

Heavy weight ductile iron manhole covers Φ 500 Φ 480 Φ 532 Φ 540 180 140 12 9 15 86 9 31 75 6 140 210 6 8 QT500-7 28
Φ 600 Φ 580 Φ 632 Φ 640 210 170 14 9 15 105 10 30 80 7 170 240 6 8 QT500-7 39
Φ 700 Φ 680 Φ 732 Φ 740 250 210 14 10 16 120 11 29 80 8 210 280 6 8 QT500-7 53
Φ 800 Φ 780 Φ 832 Φ 840 280 240 14 11 18 138 12 28 85 9 240 310 6 8 QT500-7 71

Light gray cast iron manhole cover Φ 500 Φ 480 Φ 532 Φ 540 180 140 10 11 17 86 10 30 80 7 140 210 5 7 HT200 31
Φ 600 Φ 580 Φ 632 Φ 640 210 170 12 12 19 105 11 29 85 8 170 240 5 7 HT200 45
Φ 700 Φ 680 Φ 732 Φ 740 250 210 12 12 19 120 12 28 90 9 210 280 5 7 HT200 59
Φ 800 Φ 780 Φ 832 Φ 840 280 240 12 13 20 138 13 27 90 10 240 310 5 7 HT200 77

Heavy gray cast iron manhole cover Φ 500 Φ 480 Φ 532 Φ 540 180 140 12 13 21 86 12 28 95 9 140 210 5 7 HT200 38
Φ 600 Φ 580 Φ 632 Φ 640 210 170 14 14 22 105 13 27 100 10 170 240 5 7 HT200 54