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Manhole Covers and Gratings
/ Heavy Duty Hinged Manhole
Heavy Duty Hinged Manhole
Standard Specification : BS EN 1994
FEATURES
Product approved by Jabatan Peerkhidmatan Pembetungan (J.P.P)
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.
Option for securing of covers using TWO of FOUR screws protect units against theft or abuse
Units are coated with black bituminous paint for pritection against corrosive agent.
Grade
Duct Width, W1 (mm)
Minimum Rebate Width, W4 (mm)
Rebate Depth, H (mm)
Length, W2 (per Pair) (mm)
Total Mass (kg)
Heavy
225
395
75
500
48.0
Heavy
300
470
75
550
68.0
Heavy
380
550
75
550
80.0
Heavy
400
570
75
550
85.0
Heavy
450
620
75
600
96.0
Heavy
600
770
75
600
120.0
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