Surface box 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 application
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 value below.
Badging inscription
FH = Fire Hydrant
AV = Air Value
SV = Sluice Value
NRV = Non Return Value
WO = Wash Out
| Process | Sand casting |
| Material | Iron: Grey iron, Ductile iron |
| Weight | 0.01Kg to 100 ton die casting machine |
| Standard | ASTM, DIN, JIS, BS |
| Surface Finish | Paint / galvanizedassivated, stain polished, mirror polished, e-coating, etc. |
Send Inquiry to This Supplier
You May Also Like
-
Hot Sale Stainless Steel Electric Meter BoxNegotiableMOQ: 1 Ton
-
EN124 Cast Iron Grey Iron Ductile Iron Surface Valve BoxNegotiableMOQ: 1 Ton
-
EN124 Ductile Iron Cast Iron Water Meter Box Surface Valve BoxNegotiableMOQ: 1 Ton
-
Factory Direct Price OEM Ductile Iron Surface Box Water Meter Box and Valve CoverNegotiableMOQ: 1 Ton
-
EN124 Sand Casting Ductile Iron Water Meter Surface BoxNegotiableMOQ: 1 Ton
-
Hot Sale Sample Customization OEM Manhole Cover Water Rain Gully Grate Resin Cast Iron Manhole Grids With FrameNegotiableMOQ: 1 Ton
-
OEM Heavy Duty D400 Heavy Duty Ductile Iron Channel Gully Gratings Cast Iron GrateNegotiableMOQ: 1 Ton
-
Supplier Custom Precision China Manufacturer Strong Ductile Cast Iron Drainage Sewer GratesNegotiableMOQ: 1 Ton
-
OEM En124 B125 C250 D400 Ductile Iron Rain Drainage Gully Channel GratingNegotiableMOQ: 1 Ton
-
EN124 C250 Square Manhole Gully Grating With FrameNegotiableMOQ: 1 Ton