Manholes fitted with sealing plates have traditionally been used to deal with odour complaints in problematic drains. on face value it is a recognised method. however, for regular slow moving heavy duty traffic significant advantages can be gained by using a d400 double seal and locking cover and frame in relation to health and safety, performance and reducing construction costs. The Clark-Drain ductile iron D400 double sealed and locking solid top cover has been engineered to cope with all the varying traffic loadings encountered by today’s busy built up areas, bus depots, car parks, petrol stations, municipal maintenance facilities and other fleet fuelling sites. All typical, public and work areas where odour control is often specified.

Product Group: Ductile Iron Manhole Covers
Sub-Category: D400 Solid-Top manhole covers for use in estates and commercial/industrial areas
Material Grade/s: Spheroid Graphite Iron Grade EN-GJS-500-7 to BS EN 1563:2011, Temporary Bitumen-based paint coating to BS 3416:1991

Features

Kitemark certified to BS EN124:1994
Double-seal design
Fitted with locking screws for added security and stability in use
Integral closed keyholes (suitable for use with CLKS 552 lifting keys, available separately)
Available with an additional skid-resistant coating (ask for details)

Dimensions

External Dimensions: 830 (L) x 810 (W) x 100 (H)
Clear Opening: 600 (L) x 600 (W)
Overall size: 830 x 810
Depth: 100
Weight (kgs): Overall = 92
Cover only = 55
Frame Pressure Bearing Area (N/mm2): 1.92
Load Rating Classification: D400 (40 tonnes)