APPLICATION
Valve surface boxes are used to allow access to operate underground valves.
DESIGN FEATURES
- Body and cover are made of ductile iron GGG50 with water based black painting
- Chain of zinc coated steel (if applicable), also a fixed pen can be supplied instead of chain
- Base of body with support surface that facilitates the settlement reducing the risks of unevenness
- Cap with a tear for easy opening
- Supplied with double seal