Product Name

Forepoling Tube (Spiling Tube / Advance Small Duct)

Place of Origin

Shandong, China

Material Grade

20#，16Mn,R780，Dz50，Dz40，Q355B

Outer Diameter

42-219mm 

Wall Thickness

42*4，48*4，50*5，89*6，108*6，127*6，146*6，180*8,194*8，219*8

Length

2m,  4m,  6m ,12m(customizable)

Section Shape

Round

End Treatment

Pointed tip (one end forged or cut to a point)

Grouting Holes

φ8mm - φ12mm holes drilled along the pipe (spacing 100mm-300mm)

Surface Treatment

Galvanized (hot-dip or electro), black, oiled

Connection Type

Threaded coupling or welded extension

Processing Service

Threaded connection, connector/sleeve, barbs, slurry outlet

Application

Tunnel grouting, slope protection grouting, pile foundation grouting, etc.

Advantage

High strength, easy grouting, improves soil stability before excavation

Delivery Time

7 ~ 15 days

MOQ

5 Tons

Packing

Bundled with steel strips, seaworthy export packing

Certificate

ISO 9001, BV, SGS (upon request)