Harris 401-125-580-C - 401125580C - Argon/Helium/Nitrogen Regulator Select Your Regulator:401-050-320-C and pressure vessel welding

and pressure vessel welding

The alternative 98% Ar / 2% O₂ is equally effective and more widely available at lower cost

Confirm L11528-1 / 9SL11528-1 in the applicable Lincoln parts list using the model and code number from the rating plate

MNPT - PN 9000371

the thinner part of the wedge is engineered to be soft enough to prevent splintering

Harris 401-125-580-C - 401125580C - Argon/Helium/Nitrogen Regulator Select Your Regulator:401-050-320-C and pressure vessel weldingModel GP401 is a brass single stage regulator with a neoprene diaphragm for general purpose applications where a slight rise in delivery pressure from a full to near empty cylinder can be tolerated. The Model GP401 is not recommended for high purity applications that may be sensitive to contamination due to elastomeric components. Features Available in 0 15, 0 50, 0 125 and 0 250 PSIG delivery pressures Neoprene diaphragm for greater sensitivity One