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BS497 Heavy Duty Manhole Cover

FEATURES

  • All units are made of high performance material i.e. Ductile Iron
  • Effective sealing mechanism gives the best odour resistant performance when used with an appropriate sealing agent e.g. grease.
  • Option available for maximum protection against odour with our Double Sealing machanism.
  • Cover secured using locking device or hinges to protect units against theft or abuse.
  • Units are coated with black bituminous paint for protection against corrosive agent.
  • Bolts and Nuts for hinges are of Stainless Steel Grade SS 316/304
BS497 Heavy Duty Manhole Cover

Hinged Manhole Tops

Manhole Tops c/w Lock Nuts

Clear Opening Base Size Depth, H mm Mass kg Sealing
Product Size Grade W1 W3 W4
SISB-MMC-RD-1S 500 Dia. Medium 500 Dia. 610 610 50 38 Single
SISB-MMC-RD-1S 560 Dia. Heavy 560 Dia. 710 710 50 50 Single
SISB-MMC-RD-1S 600 Dia. Heavy 600 Dia. 710 710 50 61 Single
SISB-MMC-RD-1S 600 Dia. Heavy 600 Dia. 750 750 75 82 Single
SISB-MMC-RD-1S 600 Dia. Heavy 600 Dia. 756 756 100 120 Single
SISB-MMC-RD-1S 910 Dia. Heavy 910 Dia. 1150 1150 100 280 Single
Clear Opening Base Size Depth, H mm Mass kg Sealing
Product Size Grade W1 W3 W4
SISB-MMC-RD-1S 500 Dia. Medium 500 Dia. 610 610 50 38 Single
SISB-MMC-RD-1S 560 Dia. Heavy 560 Dia. 710 710 50 50 Single
SISB-MMC-RD-1S 600 Dia. Heavy 600 Dia. 710 710 50 61 Single
SISB-MMC-RD-1S 600 Dia. Heavy 600 Dia. 750 750 75 82 Single
SISB-MMC-RD-1S 600 Dia. Heavy 600 Dia. 756 756 100 120 Single
SISB-MMC-RD-1S 910 Dia. Heavy 910 Dia. 1150 1150 100 280 Single

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