Window Sampling Tube with Screw-On Cutting Shoe

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The window sampling tubes are made of high-quality steel and features multiple windows making visual inspection of the samples easy and straightforward. The cutting shoe (made of hardened steel) is detachable by means of a screw connection enabling the appliance of a core catcher.

Window sampling tubes can be inserted into the ground by means of a CPT penetrometer pushing rig, a DPT or SPT sounding rig or by means of hydraulic, gasoline or electric breaker hammer.

Tubes with a sampling length of 1000 mm have 2 windows, the tubes with 2000 mm sampling length have 4 windows.

Available Diameters and Lengths
Cross-Over Tubes

Window sampling tube with screw-on cutting shoe – D = 36 mm, L = 1000 mm, M20 screw-thread
Window sampling tube with screw-on cutting shoe – D = 36 mm, L = 1000 mm, M22 screw-thread

Window sampling tube with screw-on cutting shoe – D = 36 mm, L = 2000 mm, M20 screw-thread
Window sampling tube with screw-on cutting shoe – D = 36 mm, L = 2000 mm, M22 screw-thread

Window sampling tube with screw-on cutting shoe – D = 40 mm, L = 1000 mm, M20 screw-thread
Window sampling tube with screw-on cutting shoe – D = 40 mm, L = 1000 mm, M22 screw-thread

Window sampling tube with screw-on cutting shoe – D = 40 mm, L = 2000 mm, M20 screw-thread
Window sampling tube with screw-on cutting shoe – D = 40 mm, L = 2000 mm, M22 screw-thread

Window sampling tube with screw-on cutting shoe – D = 50 mm, L = 1000 mm, M20 screw-thread
Window sampling tube with screw-on cutting shoe – D = 50 mm, L = 1000 mm, M22 screw-thread

Window sampling tube with screw-on cutting shoe – D = 50 mm, L = 2000 mm, M20 screw-thread
Window sampling tube with screw-on cutting shoe – D = 50 mm, L = 2000 mm, M22 screw-thread

Window sampling tube with screw-on cutting shoe – D = 60 mm, L = 1000 mm, M20 screw-thread
Window sampling tube with screw-on cutting shoe – D = 60 mm, L = 1000 mm, M22 screw-thread

Window sampling tube with screw-on cutting shoe – D = 60 mm, L = 2000 mm, M20 screw-thread
Window sampling tube with screw-on cutting shoe – D = 60 mm, L = 2000 mm, M22 screw-thread

Window sampling tube with screw-on cutting shoe – D = 80 mm, L = 1000 mm, M20 screw-thread
Window sampling tube with screw-on cutting shoe – D = 80 mm, L = 1000 mm, M22 screw-thread

In order to use the window samplers of 1000 mm length and M22 screw-thread connection in combination with a CPT penetrometer pushing rig, Gouda-Geo supplies the following so-called cross-over tubes to connect the samplers to the male screw-thread of the lowest CPT sounding tube of the CPT string:

Cross-over tube – Top thread: female STD / Bottom thread: female M22
Cross-over tube – Top thread: female QLK / Bottom thread: female M22
Cross-over tube – Top thread: female AR / Bottom thread: female M22
Cross-over tube – Top thread: female 2R / Bottom thread: female M22