EN124 ductile cast iron surface box or valve box

Product Description

Product Description
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.

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