211-04
Surface box for rolling in, with locking bolt

The Hawle surface box Ord. Nor. 211-04 for Air valve set Ord. No. 992-00, 992-01, 992-02 and 993-00, Hawle underground hydrants ord.-nr. 490-00, 490-01, 494-00 and Hawle Pro butterfly Ord. No. 500-00 in is to be used for installation in bituminous traffic areas. The drawing ring permits a large adjusting range.

During rolling in a bond is created between the drawing ring and the asphalt. Thus the traffic load is discharged into the base course. This bond ensures that the surface box remains on the same level as the road surface.

The absorber ring prevents contact corrosion between the cover and the box, on the one hand, and ensures easy loosening and reduced rattling tendency of the cover, on the other hand.

Material: Surface box: GJL-200
Drawing ring: GJL-250
Cover: GJL-250, Hawle epoxy powder coated
Positioning pin: stainless steel
Medium Water

The Hawle surface box Ord. Nor. 211-04 for Air valve set Ord. No. 992-00, 992-01, 992-02 and 993-00, Hawle underground hydrants ord.-nr. 490-00, 490-01, 494-00 and Hawle Pro butterfly Ord. No. 500-00 in is to be used for installation in bituminous traffic areas. The drawing ring permits a large adjusting range.

During rolling in a bond is created between the drawing ring and the asphalt. Thus the traffic load is discharged into the base course. This bond ensures that the surface box remains on the same level as the road surface.

The absorber ring prevents contact corrosion between the cover and the box, on the one hand, and ensures easy loosening and reduced rattling tendency of the cover, on the other hand.