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A saw and track system for accurately cutting pressure vessels up to 60” in diameter in preparation for hydrostatic testing and complete fabrication is being introduced by Esco Tool. The Esco APS-438 Air Powered Saw and WrapTrack trolley lets operators rapidly cold cut vessels from 6” to 60” in diameter with ±1/16” accuracy to permit better bevels for subsequent welding.
Capable of cutting a 24” x 0.5” wall vessel in 40 minutes, the saw is ideal for cutting a vessel cap after hydrostatic testing to allow beveling and welding the cap into another vessel.
Fully supported to glide smoothly and reduce operator strain, the Esco APS-438 Air Powered Saw mounts rigidly in the WrapTrack trolley using four “V” grooved stainless steel roll guides. It has a 3-hp pneumatic motor, uses fiberglass reinforced abrasive blades capable of 4-3/4” cuts, and cuts all pipe schedules of P-91, Super Duplex stainless and other hard materials.
Related Glossary Terms
- abrasive
abrasive
Substance used for grinding, honing, lapping, superfinishing and polishing. Examples include garnet, emery, corundum, silicon carbide, cubic boron nitride and diamond in various grit sizes.
- sawing machine ( saw)
sawing machine ( saw)
Machine designed to use a serrated-tooth blade to cut metal or other material. Comes in a wide variety of styles but takes one of four basic forms: hacksaw (a simple, rugged machine that uses a reciprocating motion to part metal or other material); cold or circular saw (powers a circular blade that cuts structural materials); bandsaw (runs an endless band; the two basic types are cutoff and contour band machines, which cut intricate contours and shapes); and abrasive cutoff saw (similar in appearance to the cold saw, but uses an abrasive disc that rotates at high speeds rather than a blade with serrated teeth).
