Spindle extensions
Helnor is Norway’s only manufacturer of telescopic spindle extensions.
Fixed and telescopic spindle extensions for ground cranes and valves up to DN500.
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A brief introduction to spindle extension for ground cranes.
Since the start in 1970, we have acquired almost 50 years of experience in what is important for operational reliability, easy installation, and worked actively with continuous development based on all the good feedback we receive.
Our telescopic spindle extensions for ground cranes are now color-coded at the top.
Color coding:
- Blue for water
- Red for drains
- Yellow for gas
- Green for acid-proof design
With this color code marking, you will easily and clearly see which installation is located underground.
Fixed and telescopic spindle extensions for ground cranes.
Showing all 4 results
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XO – Telescopic Spindle Extension
Placement friendly spindle extension for ground crane. Now with visible color codes at the top.
Blue = Water, Red = Drain, Yellow = Gas, Green = Acid resistant. -
XS – Telescopic Spindle Extension XS, DN25-65
Telescopic spindle extension for installation in sidewalks and streets, mounted Helnor floating street box of type XB (sheet 1.910).
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XS A4 – Telescopic Spindle Extension XS – ACID RESISTANT For DN25-50
Helnor telescopic spindle extension for DN25-50 in acid-proof design.
All parts are delivered in A4 quality. -
XK – Telescopic Spindle Extension XK, DN25-65
Telescopic spindle extension for surface mounting in lawn, green area, and with loose insertion in street box type XP211 (sheet 1.920).
Spindle extensions for sluice valves DN80-500.
Accessories for spindle extensions for ground cranes.
Showing all 10 results
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XO – Telescopic Spindle Extension
Placement friendly spindle extension for ground crane. Now with visible color codes at the top.
Blue = Water, Red = Drain, Yellow = Gas, Green = Acid resistant. -
XS – Telescopic Spindle Extension XS, DN25-65
Telescopic spindle extension for installation in sidewalks and streets, mounted Helnor floating street box of type XB (sheet 1.910).
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XS A4 – Telescopic Spindle Extension XS – ACID RESISTANT For DN25-50
Helnor telescopic spindle extension for DN25-50 in acid-proof design.
All parts are delivered in A4 quality. -
XK – Telescopic Spindle Extension XK, DN25-65
Telescopic spindle extension for surface mounting in lawn, green area, and with loose insertion in street box type XP211 (sheet 1.920).
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Street Box In Ductile Iron, Floating. Type: XB210H
High quality – ductile iron.
Our most popular street box. -
Helnor Street Box Composite. Type: XB190
Helnor street box in composite. Low weight.
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Square Street Box In Ductile Iron. Type: XB185H
Square street box in ductile iron. Specially designed for laying in cobblestone areas.
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Double Street Box, Square. Type: XBD185H
Used when you want to link control of water and drainage in one and the same street box.
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Telescopic Street Box And Street Box Without Telescopic Part. Type: XBC 794H/310H
Telescopic street box- XBC794H.
Street box without telescopic part- XBC310H. -
Street Box, Ductile Lid. Type: XBT100V
Street box, ductile lid. Fits all our street boxes with 50 mm opening.
Accessories for spindle extensions for valves DN80-500.
We have all accessories for spindle extensions. Adapters, repair kits, splice kits, keys, and various sleeves. Everything you need to fit virtually any valve.
Surface boxes
A surface boxes is a small manhole cover, adapted to our spindle extensions. With a lid in the package, you secure against the intrusion of dirt and water. Smart bayonet locking against the spindle extension ensures correct positioning regardless of frost heaving
Showing all 6 results
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Street Box In Ductile Iron, Floating. Type: XB210H
High quality – ductile iron.
Our most popular street box. -
Helnor Street Box Composite. Type: XB190
Helnor street box in composite. Low weight.
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Square Street Box In Ductile Iron. Type: XB185H
Square street box in ductile iron. Specially designed for laying in cobblestone areas.
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Double Street Box, Square. Type: XBD185H
Used when you want to link control of water and drainage in one and the same street box.
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Telescopic Street Box And Street Box Without Telescopic Part. Type: XBC 794H/310H
Telescopic street box- XBC794H.
Street box without telescopic part- XBC310H. -
Street Box, Ductile Lid. Type: XBT100V
Street box, ductile lid. Fits all our street boxes with 50 mm opening.
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