CLKS300 320MM SQUARE POLYPROPYLENE MANHOLE COVER AND FRAME BY CLARK DRAIN.
Basic Dimensions (mm): Clear-opening = 220 – 300 dia
Overall size = 438 x 438
Depth* = 37 (*Not including reducer steps)
Weight (kgs): 4.0
Load Rating Classification: 35kN (Domestic Driveway)
Load Test Data: 35kN held for 30 secs
Features: - Circular opening in frame fits all major manufacturers’ PP shallow inspection chambers
- Corrosion resistant polypropylene cover and frame
- Aesthetically more pleasing
- Can be rotated to match direction of paving
- Quick and easy to install
- Ideal for tarmac, grass or gravel areas
- Unique slip-resistant surface tread pattern
- Supplied with 4 locking screws
