PCH 20-28.5"
2Pages

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Catalog excerpts

PCH 20-28.5" - 2

GUIDED BORING METHOD WITH POWERED CUTTER HEAD Step 1: PRECISE INSTALLATION OF PILOT TUBES The first step is the installation of the pilot tube on line and grade. Step 2: ADVANCING THRUST CASINGS ALONG PILOT TUBE PATH The second step is to follow the pilot tube with a reaming head or other upsizing tool and standard thrust casings. Step 3: INSTALLATION OF PRODUCT PIPE WITH POWERED CUTTER HEAD In the third step, the powered cutter head follows the thrust casings to increase the bore to match the product pipe diameter. Powered Cutter Head In Launch Position Spoils Discharged In Reception Shaft...

Open the catalog to page 2

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