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Description: This product fabricates high-quality fiberglass spiral ducts with speed and accuracy. Its four drive rollers and ¾-hp motor provide the necessary grip and power to quickly pull duct board ...

CertainTeed Machine Works has introduced the Glass Master SG-420 Duct Board Grooving Machine – a powerful machine that fabricates high-quality fiberglass spiral ducts more accurately, and up to 50 ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Read our whitepaper to discover three advantages that grooved guide wheels have over flat and crowned track rollers which will allow you to push heavier loads, use a variety of compatible track and ...