rboironsteel@gmail.com +91 96748 89481 Santragachi, Howrah, West Bengal
Cast iron single seal solid top manhole cover and frame
01

Cast Iron Single Seal Solid Top Manhole Cover & Frame

Cast iron single seal solid top manhole cover and frame manufactured as per BS-EN124 or BS-497-76 specification. This product range is suitable for municipal, drainage, water, electrical, telephone and utility infrastructure applications where a durable solid top cover is required.

Product Code Range RBO-1001 to RBO-1022
Product Type Single Seal Solid Top Cover With Frame
Standard BS-EN124 or BS-497-76 Specification
Available Grades A15, B125, C250, D400

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products unless otherwise mentioned.
  5. Products available in both cast iron and ductile iron.

Single Seal Product Size Table

Single Seal
Product Code Grade as per
BS-EN124
Clear Opening
A (mm)
Overall Base
B (mm)
Height
C (mm)
Seal Type Grade as per
BS-497-76
Appx. Weight
Kg ±5%
RBO-1001 A 15 300 X 300 360 X 360 25 Single Seal C 7
RBO-1002 A 15 300 X 300 370 X 370 40 Single Seal C 11
RBO-1003 A 15 300 X 300 370 X 370 40 Single Seal C 13
RBO-1004 A 15 300 X 300 370 X 370 40 Single Seal C 15
RBO-1005 B 125 300 X 300 370 X 370 45 Single Seal B 20
RBO-1006 C 250 300 X 300 395 X 395 75 Single Seal A 38
RBO-1007 A 15 400 X 400 455 X 455 25 Single Seal C 15
RBO-1008 B 125 400 X 400 455 X 455 40 Single Seal B 25
RBO-1009 A 15 450 X 450 525 X 525 45 Single Seal C 28
RBO-1010 B 125 450 X 450 525 X 525 50 Single Seal B 38
RBO-1011 C 250 450 X 450 555 X 555 75 Single Seal A 60
RBO-1012 A 15 450 X 600 530 X 680 30 Single Seal C 21
RBO-1013 A 15 500 X 500 565 X 565 25 Single Seal C 28
RBO-1014 A 15 600 X 600 660 X 660 30 Single Seal C 32
RBO-1015 A 15 600 X 600 660 X 660 35 Single Seal C 42
RBO-1016 B 125 600 X 600 720 X 720 75 Single Seal B 75
RBO-1017 B 125 600 X 600 680 X 680 75 Single Seal B 80
RBO-1018 D 400 600 X 600 700 X 700 100 Single Seal A 150
RBO-1019 A 15 600 X 750 710 X 865 50 Single Seal C 52
RBO-1020 A 15 600 X 900 710 X 1000 50 Single Seal C 70
RBO-1021 B 125 600 X 900 710 X 1000 75 Single Seal B 95
RBO-1022 D 400 900 X 900 1065 X 1065 100 Single Seal A 250
Cast iron double seal solid top manhole cover and frame
02

Cast Iron Double Seal Solid Top Manhole Cover & Frame

Cast iron double seal solid top manhole cover and frame manufactured as per BS-EN124 or BS-497-76 specification. This range is designed for stronger sealing performance, better stability and heavier municipal or utility use depending on the selected grade and size.

Product Code Range RBO-1023 to RBO-1044
Product Type Double Seal Solid Top Cover With Frame
Standard BS-EN124 or BS-497-76 Specification
Available Grades A15, B125, C250, D400

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products unless otherwise mentioned.
  5. Products available in both cast iron and ductile iron.

Special Markings Available in English

Drainage Water Electrical Telephone

Double Seal Product Size Table

Double Seal
Product Code Grade as per
BS-EN124
Clear Opening
A (mm)
Overall Base
B (mm)
Height
C (mm)
Seal Type Grade as per
BS-497-76
Appx. Weight
Kg ±5%
RBO-1023 A 15 300 X 300 410 X 410 35 Double Seal C 20
RBO-1024 B 150 300 X 300 410 X 410 40 Double Seal B 28
RBO-1025 C 250 300 X 300 450 X 450 75 Double Seal A 45
RBO-1026 A 15 450 X 450 600 X 600 40 Double Seal C 38
RBO-1027 A 15 450 X 450 600 X 600 50 Double Seal C 45
RBO-1028 B 125 450 X 450 630 X 630 75 Double Seal B 70
RBO-1029 C 250 450 X 450 630 X 630 85 Double Seal A 90
RBO-1030 A 15 450 X 450 630 X 785 40 Double Seal C 45
RBO-1031 A 15 600 X 600 760 X 760 45 Double Seal C 50
RBO-1032 A 15 600 X 600 760 X 760 45 Double Seal C 60
RBO-1033 B 125 600 X 600 760 X 760 50 Double Seal B 75
RBO-1034 B 125 600 X 600 755 X 755 75 Double Seal B 90
RBO-1035 B 125 600 X 600 800 X 800 75 Double Seal B 110
RBO-1036 B 125 600 X 600 800 X 800 75 Double Seal B 120
RBO-1037 C 250 600 X 600 800 X 800 80 Double Seal A 140
RBO-1038 C 250 600 X 600 800 X 800 80 Double Seal A 165
RBO-1039 D 400 600 X 600 840 X 840 100 Double Seal A 210
RBO-1040 A 15 600 X 750 760 X 910 45 Double Seal C 90
RBO-1041 A 15 600 X 900 760 X 1060 45 Double Seal C 130
RBO-1042 A 15 800 X 800 980 X 980 40 Double Seal C 100
RBO-1043 D 400 800 X 800 1000 X 1000 80 Double Seal A 230
RBO-1044 B 125 900 X 900 1100 X 1100 40 Double Seal B 145
Ductile iron solid top manhole cover and frame
03

Ductile Iron Solid Top Manhole Cover & Frame

Ductile iron solid top manhole cover and frame manufactured as per BS-EN124 or BS-497-76 specification. This product range is available in single seal and double seal options with different clear openings, overall base sizes, heights and load grades for infrastructure and utility applications.

Product Code Range RBO-1045 to RBO-1066
Product Type Ductile Iron Solid Top Cover With Frame
Standard BS-EN124 or BS-497-76 Specification
Available Grades B125, C250, D400

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products unless otherwise mentioned.
  5. Products available in both cast iron and ductile iron.

Special Markings Available in English

Drainage Water Electrical Telephone

Ductile Iron Solid Top Product Size Table

Single / Double Seal
Product Code Grade as per
BS-497-76
Clear Opening
A (mm)
Overall Base
B (mm)
Height
C (mm)
Seal Type Grade as per
BS-EN124
Appx. Weight
Kg ±5%
RBO-1045 B 300 X 300 370 X 370 40 Single Seal B 125 15
RBO-1046 B 300 X 300 410 X 410 35 Double Seal B 125 20
RBO-1047 B 300 X 300 410 X 410 40 Double Seal B 125 28
RBO-1048 A 300 X 300 395 X 395 75 Single Seal D 400 38
RBO-1049 A 300 X 300 450 X 450 75 Double Seal D 400 45
RBO-1050 B 450 X 450 525 X 525 45 Single Seal B 125 28
RBO-1051 B 450 X 450 600 X 600 50 Double Seal B 125 45
RBO-1052 A 450 X 450 555 X 555 75 Single Seal D 400 60
RBO-1053 A 450 X 450 630 X 630 75 Double Seal D 400 70
RBO-1054 B 600 X 600 660 X 660 30 Single Seal B 125 32
RBO-1055 B 600 X 600 660 X 660 35 Single Seal B 125 42
RBO-1056 B 600 X 600 760 X 760 45 Double Seal B 125 50
RBO-1057 B 600 X 600 760 X 760 50 Double Seal C 250 75
RBO-1058 A 600 X 600 720 X 720 75 Single Seal D 400 75
RBO-1059 A 600 X 600 760 X 760 75 Double Seal D 400 85
RBO-1060 A 600 X 600 700 X 700 100 Double Seal D 400 130
RBO-1061 A 600 X 600 840 X 840 100 Double Seal D 400 190
RBO-1062 B 600 X 750 710 X 865 50 Single Seal B 125 60
RBO-1063 B 600 X 750 760 X 910 50 Double Seal B 125 90
RBO-1064 B 600 X 900 710 X 1000 50 Single Seal B 125 70
RBO-1065 B 600 X 900 760 X 1060 50 Double Seal B 125 130
RBO-1066 B 800 X 800 980 X 980 40 Double Seal B 125 100
Recessed cover and frame as per BS-EN124 or BS-497-76 specification
04

Recessed Cover & Frame

Recessed cover and frame manufactured as per BS-EN124 or BS-497-76 specification. This range is suitable for tile and interlock finishing applications where the cover surface needs to blend with the surrounding floor or pavement finish.

Product Code Range RBO-1067 to RBO-1078
Product Type Recessed Cover With Frame
Standard BS-EN124 or BS-497-76 Specification
For / Type Tile / Inter Lock

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products unless otherwise mentioned.
  5. Products available in both cast iron and ductile iron.

Recessed Cover Product Size Table

Recessed Cover
Product Code Grade as per
BS-EN124
Clear Opening
A (mm)
Overall Base
B (mm)
Height
C (mm)
Seal Type Recess Depth
mm
For / Type Appx. Weight
Kg ±5%
RBO-1067 B 125 300 X 300 455 X 455 65 Double Seal 40 Tile 30
RBO-1068 B 125 300 X 300 455 X 455 95 Double Seal 70 Inter Lock 36
RBO-1069 D 400 300 X 300 455 X 455 95 Double Seal 70 Inter Lock 50
RBO-1070 B 125 450 X 450 600 X 600 75 Double Seal 40 Tile 45
RBO-1071 B 125 450 X 450 610 X 610 90 Double Seal 70 Inter Lock 55
RBO-1072 D 400 450 X 450 610 X 610 90 Double Seal 70 Inter Lock 80
RBO-1073 A 15 600 X 600 690 X 960 65 Single Seal 40 Tile 50
RBO-1074 B 125 600 X 600 750 X 750 75 Double Seal 40 Tile 70
RBO-1075 B 125 600 X 600 760 X 760 90 Double Seal 70 Inter Lock 75
RBO-1076 B 125 600 X 600 765 X 765 90 Double Seal 70 Inter Lock 90
RBO-1077 D 400 600 X 600 825 X 825 100 Double Seal 80 Inter Lock 110
RBO-1078 D 400 600 X 600 825 X 825 100 Double Seal 80 Inter Lock 140
Cast iron circular manhole cover with circular or square frame
05

Cast Iron Circular Manhole Cover With Circular or Square Frame

Cast iron circular manhole cover with circular or square frame manufactured as per BS-EN124 or BS-497-76 specification. This product range is suitable for drainage, municipal and utility infrastructure applications where circular cover design with circular or square frame arrangement is required.

Product Code Range RBO-1079 to RBO-1091
Product Type Circular Manhole Cover With Circular / Square Frame
Standard BS-EN124 or BS-497-76 Specification
Available Grades A15, B125, C250, D400

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products unless otherwise mentioned.
  5. Products available in both cast iron and ductile iron.

Cast Iron Circular Manhole Cover Size Table

Circular Cover
Product Code Grade as per
BS-EN124
Clear Opening
A (mm)
Overall Base
B (mm)
Height
C (mm)
Seal Type Grade as per
BS-497-76
Appx. Weight
Kg ±5%
RBO-1079 A 15 450 DIA 555 DIA 55 Single Seal C 16
RBO-1080 A 15 450 DIA 665 DIA 80 Double Seal C 35
RBO-1081 B 125 550 DIA 670 DIA 85 Single Seal B 45
RBO-1082 A 15 600 DIA 960 DIA 35 Single Seal C 32
RBO-1083 A 15 600 DIA 715 DIA 75 Single Seal C 50
RBO-1084 B 125 600 DIA 755 DIA 75 Single Seal B 90
RBO-1085 C 250 600 DIA 815 DIA 100 Single Seal B 90
RBO-1086 D 400 600 DIA 755 DIA 100 Single Seal A 150
RBO-1087 D 400 600 DIA 875 DIA 150 Single Seal A 165
RBO-1088 D 400 600 DIA 875 DIA 200 Single Seal A 210
RBO-1089 B 125 665 DIA 755 DIA 50 Single Seal B 80
RBO-1090 D 400 600 DIA 750 X 750
SQUARE FRAME
100 Single Seal A 110
RBO-1091 D 400 600 DIA 690 X 690
SQUARE FRAME
125 Single Seal A 130
Ductile iron circular manhole cover with circular or square frame
06

Ductile Iron Circular Manhole Cover With Circular or Square Frame

Ductile iron circular manhole cover with circular or square frame manufactured as per BS-EN124 or BS-497-76 specification. This range is suitable for utility and heavy-duty municipal applications and is available in multiple sizes with circular as well as square frame options.

Product Code Range RBO-1092 to RBO-1101
Product Type Ductile Iron Circular Cover With Circular / Square Frame
Standard BS-EN124 or BS-497-76 Specification
Available Grades B125, C250, D400

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products unless otherwise mentioned.
  5. Products available in both cast iron and ductile iron.

Ductile Iron Circular Manhole Cover Size Table

Circular Cover
Product Code Grade as per
BS-497-76
Clear Opening
A (mm)
Overall Base
B (mm)
Height
C (mm)
Grade as per
BS-EN124
Appx. Weight
Kg ±5%
RBO-1092 B 550 DIA 670 DIA 85 B 125 45
RBO-1093 B 600 DIA 715 DIA 75 B 125 50
RBO-1094 A 600 DIA 755 DIA 75 C 250 90
RBO-1095 A 600 DIA 815 DIA 100 D 400 90
RBO-1096 B 600 DIA 755 DIA 100 D 400 150
RBO-1097 B 600 DIA 875 DIA 150 D 400 165
RBO-1098 A 600 DIA 875 DIA 200 D 400 210
RBO-1099 B 665 DIA 755 DIA 50 C 250 80
RBO-1100 A 600 DIA 750 X 750
SQUARE FRAME
100 D 400 110
RBO-1101 A 600 DIA 690 X 690
SQUARE FRAME
125 D 400 130
Double triangular manhole cover and frame
07

Double Triangular Manhole Cover & Frame

Double triangular manhole cover and frame available in cast iron and ductile iron variants, manufactured as per BS-EN124 or BS-497-76 specification. This range is designed for heavy-duty infrastructure and utility applications where strong load-bearing performance and durable construction are required.

Product Code Range RBO-1102 to RBO-1112
Product Type Double Triangular Manhole Cover With Frame
Material Cast Iron / Ductile Iron
Standard BS-EN124 or BS-497-76 Specification

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products unless otherwise mentioned.
  5. Products available in both cast iron and ductile iron.

Cast Iron Double Triangular Manhole Cover & Frame

Cast Iron
Product Code Grade as per
BS-497-76
Clear Opening
A (mm)
Overall Base
B (mm)
Height
C (mm)
Grade as per
BS-EN124
Appx. Weight
Kg ±5%
RBO-1102 A 600 X 600 760 X 760 100 D 400 130
RBO-1103 A 600 X 600 760 X 760 150 D 400 200
RBO-1104 A 675 X 675 835 X 835 100 D 400 180
RBO-1105 A 675 X 675 834 X 835 150 D 400 230
RBO-1106 A 900 X 900 1060 X 1060 150 D 400 390

Ductile Iron Double Triangular Manhole Cover & Frame

Ductile Iron
Product Code Grade as per
BS-497-76
Clear Opening
A (mm)
Overall Base
B (mm)
Height
C (mm)
Grade as per
BS-EN124
Appx. Weight
Kg ±5%
RBO-1107 A 600 X 600 750 X 750 100 D 400 98
RBO-1108 A 600 X 600 760 X 760 100 D 400 130
RBO-1109 A 600 X 600 760 X 760 150 D 400 200
RBO-1110 A 675 X 675 835 X 835 100 D 400 125
RBO-1111 A 675 X 675 835 X 835 150 D 400 215
RBO-1112 A 900 X 900 1060 X 1060 150 D 400 250
Multiple triangular manhole cover and frame
08

Multiple Triangular Manhole Cover & Frame

Multiple triangular manhole cover and frame available in cast iron and ductile iron variants, manufactured as per BS-EN124 or BS-497-76 specification. This range is suitable for heavy-duty utility, drainage and infrastructure applications where larger opening sizes and strong load-bearing performance are required.

Product Code Range RBO-1113 to RBO-1117
Product Type Multiple Triangular Manhole Cover With Frame
Material Cast Iron / Ductile Iron
Standard BS-EN124 or BS-497-76 Specification

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products unless otherwise mentioned.
  5. Products available in both cast iron and ductile iron.

Cast Iron Multiple Triangular Manhole Cover & Frame

Cast Iron
Product Code Grade as per
BS-497-76
Clear Opening
A (mm)
Overall Base
B (mm)
Height
C (mm)
Grade as per
BS-EN124
Appx. Weight
Kg ±5%
RBO-1113 A 1220 X 675 1380 X 835 150 D 400 430
RBO-1114 A 1224 X 700 1373 X 850 150 D 400 430

Ductile Iron Multiple Triangular Manhole Cover & Frame

Ductile Iron
Product Code Grade as per
BS-497-76
Clear Opening
A (mm)
Overall Base
B (mm)
Height
C (mm)
Grade as per
BS-EN124
Appx. Weight
Kg ±5%
RBO-1115 A 1220 X 675 1380 X 835 150 D 400 260
RBO-1116 A 1224 X 700 1373 X 850 150 D 400 270
RBO-1117 A 1835 X 700 1984 X 850 150 D 400 385
Channel gratings as per BS-EN124 or BS-497-76 specification
09

Channel Gratings

Channel gratings manufactured as per BS-EN124 or BS-497-76 specification. This product range is suitable for drainage channels, surface water discharge areas, industrial drainage lines and infrastructure locations where strong water-flow grating support is required.

Product Code Range RBO-1118 to RBO-1124
Product Type Channel Grating
Standard BS-EN124 or BS-497-76 Specification
Grade D400

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products unless otherwise mentioned.
  5. Products available in both cast iron and ductile iron.

Channel Gratings Product Size Table

Channel Grating
Product Code Grade as per
BS-497-76
Width of Grating
A (mm)
Length of Grating
L (mm)
Clear Opening
C (mm)
Overall Thickness
B (mm)
Overall Frame Width
E (mm)
Depth of Frame
D (mm)
Grade as per
BS-EN124
Appx. Weight
Kg ±5%
RBO-1118 A 150 750 110 55 260 75 D 400 38
RBO-1119 A 170 750 130 55 280 75 D 400 42
RBO-1120 A 225 750 185 55 335 75 D 400 50
RBO-1121 A 300 750 260 55 410 75 D 400 56
RBO-1122 A 350 750 310 55 460 75 D 400 62
RBO-1123 A 400 750 360 55 510 75 D 400 68
RBO-1124 A 450 750 410 55 560 75 D 400 75
Grating and frame flat or dished and hinged as per BS-EN124 or BS-497-76 specification
10

Grating & Frame, Flat or Dished and / or Hinged

Grating and frame available in flat, dished and hinged arrangements as per BS-EN124 or BS-497-76 specification. This range is suitable for drainage, utility chambers, surface water collection points and heavy-duty infrastructure use.

Product Code Range RBO-1125 to RBO-1139
Product Type Grating & Frame
Design Options Flat / Dished / Hinged
Standard BS-EN124 or BS-497-76 Specification

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products unless otherwise mentioned.
  5. Products available in both cast iron and ductile iron.

Grating & Frame Product Size Table

Grating Frame
Product Code Grade as per
BS-EN124
Over Grating
K (mm)
Overall Base
B (mm)
Height
C (mm)
Grade as per
BS-497-76
Appx. Weight
Kg ±5%
RBO-1125 B 125 225 X 225 280 X 270 60 B 15
RBO-1126 B 125 225 X 225 280 X 280 60 B 15
RBO-1127 B 125 300 X 300 355 X 340 60 B 21
RBO-1128 B 125 300 X 300 355 X 355 60 B 21
RBO-1129 D 400 400 X 310 550 X 400 100 A 60
RBO-1130 D 400 400 X 350 575 X 425 100 A 60
RBO-1131 D 400 400 X 400 480 X 480 40 A 48
RBO-1132 D 400 500 X 350 655 X 425 100 A 70
RBO-1133 D 400 450 X 450 530 X 530 40 A 50
RBO-1134 D 400 600 X 600 730 X 730 75 A 80
RBO-1135 D 400 600 X 600 750 X 750 100 A 130
RBO-1136 D 400 700 X 375 870 X 500 60 A 60

Additional Grating & Frame Size Table

Flat / Dished / Hinged
Product Code Grade as per
BS-497-76
Over Grating
K (mm)
Overall Base
B (mm)
Height
C (mm)
Grade as per
BS-EN124
Appx. Weight
Kg ±5%
RBO-1137 A 445 X 400 540 X 545 150 D 400 90
RBO-1138 A 480 X 480 570 X 620 150 D 400 115
RBO-1139 A 600 X 600 750 X 750 150 D 400 130
Manhole step iron and cast iron light duty manhole cover and frame
11

Manhole Step Iron & Cast Iron Light Duty Manhole Cover & Frame

Manhole step iron manufactured as per BS-1247 specification with galvanized or ungalvanized finish and galvanizing as per BS-729. This section also includes cast iron light duty manhole cover and frame as per Romanian specifications, marking as per BS-497-76 Grade C or EN124-A15, suitable for light-duty utility and access applications.

Product Range Manhole Step Iron / Light Duty Manhole Cover & Frame
Standard BS-1247 / BS-729 / BS-497-76 / EN124-A15
Light Duty Product Codes RBO-1143 to RBO-1148
Finish / Availability Galvanized / Un Galvanized / Cast Iron / Ductile Iron

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products unless otherwise mentioned.
  5. Products available in both cast iron and ductile iron.

Cast Iron Light Duty Manhole Cover & Frame Size Table

Light Duty
Product Code Grade as per
BS-497-76
Overall Base
B (mm)
Clear Opening
A (mm)
Height
C (mm)
Grade as per
BS-EN124
Appx. Weight
Kg ±5%
RBO-1143 C 250 X 250 165 X 165 25 A15 5
RBO-1144 C 300 X 300 190 X 190 25 A15 7
RBO-1145 C 400 X 400 290 X 290 30 A15 13
RBO-1146 C 500 X 500 390 X 390 35 A15 21
RBO-1147 C 600 X 600 490 X 490 40 A15 30
RBO-1148 C 700 X 700 590 X 590 50 A15 40
Cast iron A15 single covers dimensions
12

Cast Iron A15 Single Covers Dimensions

Cast iron A15 single covers available in multiple sizes for light-duty access requirements. These covers are suitable for applications where compact size, low weight and reliable closing performance are required.

Product Code Range RBO-1149 to RBO-1154
Product Type Cast Iron A15 Single Covers
Grade A15
Availability Cast Iron / Ductile Iron

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products unless otherwise mentioned.
  5. Products available in both cast iron and ductile iron.

Cast Iron A15 Single Covers Size Table

A15 Single Cover
Product Code Overall Base
(mm)
Clear Opening
(mm)
Height
(mm)
Appx. Weight
Kg ±5%
RBO-1149 300 X 300 170 X 170 20 4
RBO-1150 400 X 400 270 X 270 20 6.5
RBO-1151 500 X 500 370 X 370 20 11
RBO-1152 600 X 600 470 X 470 20 16
RBO-1153 700 X 700 570 X 570 20 27
RBO-1154 800 X 800 670 X 670 20 35
Cast iron A15 double covers dimensions
13

Cast Iron A15 Double Covers Dimensions

Cast iron A15 double covers are available in different sizes for light-duty access applications. These covers are designed for reliable performance, proper fitting, and long service life in suitable utility and access areas.

Product Code Range RBO-1155 to RBO-1161
Product Type Cast Iron A15 Double Covers
Grade A15
Availability Cast Iron / Ductile Iron

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products are supplied unless otherwise mentioned.
  5. Products are available in both cast iron and ductile iron.

Cast Iron A15 Double Covers Size Table

A15 Double Cover
Product Code Overall Base
(mm)
Clear Opening
(mm)
Height
(mm)
Appx. Weight
Kg ±5%
RBO-1155 300 X 300 150 X 150 60 6
RBO-1156 400 X 400 240 X 240 60 11
RBO-1157 500 X 500 335 X 335 60 18
RBO-1158 600 X 600 440 X 440 65 28
RBO-1159 700 X 700 540 X 540 70 45
RBO-1160 800 X 800 640 X 640 80 65
RBO-1161 500 X 300 340 X 140 55 11
Ductile iron manhole cover and frame with steel lifting keys
14

Ductile Iron Manhole Cover & Frame as per BS:EN 124 B125 Specification for the European Market

Ductile iron manhole cover and frame manufactured as per BS:EN 124 B125 specification for the European market. These covers and frames are suitable for utility, access, and infrastructure applications requiring dependable strength and dimensional accuracy. Steel lifting keys are also available in nickel-plated finish in different shapes and sizes.

Product Code Range RBO-1161 to RBO-1166
Product Type Ductile Iron Manhole Cover & Frame
Standard BS:EN 124 B125
Market European Market

Product Notes

  1. Marking specification will be cast as per requirement.
  2. Badge shall be provided as per buyer’s requirement.
  3. Design may vary at the time of supply due to change of pattern or change of design.
  4. Black bitumen coated products are supplied unless otherwise mentioned.
  5. Products are available in both cast iron and ductile iron.

Ductile Iron Manhole Cover & Frame Size Table

BS:EN 124 B125
Product Code Overall Base
(mm)
Clear Opening
(mm)
Height
(mm)
Appx. Weight
Kg ±5%
RBO-1161 300 X 300 223 X 223 31 9
RBO-1162 400 X 400 327 X 327 31 14
RBO-1163 500 X 500 395 X 395 50 24.8
RBO-1164 600 X 600 497 X 497 50 33.10
RBO-1165 700 X 700 600 X 600 50 48
RBO-1166 800 X 800 697 X 697 50 59

Steel Lifting Keys

Nickel Plated

Steel Lifting Keys Nickel Plated in Different Shapes and Sizes

  1. Steel lifting keys are available in different shapes and sizes.
  2. Nickel-plated finish is available as per requirement.
  3. Suitable for compatible manhole covers and frames.