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Hybrid surface box
type 4057 KSGX

KSK™ hybrid

The 4057 KSGX is a height adjustable hybrid surface box for service connection valves, according to DIN 4057. This special model has a wide rim and is developed for installation in roads with high traffic loads. The bottom part is made of a recycled heat resistant glass fibre reinforced plastic. The top part and the conical shaped lid are made of cast iron (EN-GJL-200).


The plastic centring ring integrated in the lid compensates for manufacturing tolerances of the top part and the lid, reduce wear and prevent the lid from rattling. The coating of the conical lid increases the resistance against corrosion. Standard lid inscription: "W". The surface box is tested and certified according to DIN 3580 and DVGW VP310-2. For more detailed information about this product please take a look at the datasheet and flyer.


Link to animation video: Long term savings height adjustable surface boxes

Type: 4057 KSGX

Weight: 11,1 kg

Lid material: Cast iron

Lid diameter: 128mm (Round)


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DVGW DIN certified
KSK™ hybrid


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