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Harris® 6290-VVC Size 8NH is a two-piece, propane/natural gas, Unplated machine cutting tip. It cuts up to 15 in. thick plate at a cutting speed of 3 in. per minute (I.P.M.) and requires 60 PSIG of cutting oxygen, 40 - 50 PSIG low-high oxygen preheat and 4 oz. - 2 PSIG of preheat fuel. This tip has a 925 SCFH cutting oxygen flow rate, 50 - 100 SCFH low preheat oxygen flow rate, 20 SCFH propane flow rate or 50 SCFH natural gas flow rate for cutting metals. The approximate kerf is .30 in. Best when used with Harris machine cutting torch model 98-6F.
Features
Two-piece construction machine cutting tip
Unplated, heavy heat-resistant shell
Minimizes kerf
Increases cutting speed
Reduces heat input
High quality precision machine cuts
Reduces after work
Engraved with model number and tip size for easy identification
Use with low cost alternate fuel gases such as propane/natural gas
Applications
High Speed Machine Cutting
Caution
Use next size larger tip with same PSIG for contour or intricate cutting
For thin plate cutting, use a highly carburizing preheat flame
Cutting oxygen pressures should be measured at torch entry
When using two hose machine torches, set oxygen pressure at cutting oxygen PSIG listed
