Esab Cutting nozzles PNM (X21)
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- PNM’s differ from ANM nozzles as different gas mixing criteria apply
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- Two piece design consisting of a brass inner nozzle and a hollow copper outer sheath - Turbulence must be created between the inner and outer parts of the nozzle to obtain adequate mixing of the propane and oxygen - The volume of mixed Oxy-Propane needs to be more than double that of Oxy-Acetylene for the same useable heat - This extra volume is achieved by very large channels that are present on the brass inner nozzle which conduct the greater volumes of gas - PNM cutting nozzles are compatible with Type 21 torches |
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