Ductile Iron Surface Boxes
Surface boxes are manufactured from ductile iron to BS 5834 (Grade A loading) making them suitable for use in areas subject to heavy loading but not subject to fast moving through traffic.
Surface Box Badging Applications
What do FH, AV, SV, NRV and WO mean on a surface box cover? Covers normally carry an inscription that identifies the pipeline or fitting below and the application.
The covers also help prevent the ingress of debris into the hydrant or valve below.
Badging Inscriptions
- FH = Fire Hydrant
- AV = Air Valve
- SV = Sluice Valve
- NRV = Non Return Valve
- WO = Wash Out
Features & Benefits
- Kitemarked product
- Conforms to BS 5834
- Identification badging
- Locking options available
Product Range
| Clear Opening (mm) | Code |
|---|---|
| 150x150 | 0621SB1515D |
| 229x229 | 0621SB2323D |
| 380x230 | 0621SB3823D |
Double Triangular or Solid Top options – please specify at time of order
Many badging options available – please specify at time of order