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Methods. We performed measurements of the \MgII, \MgI, \FeIIa, \FeIIb, and\FeIIc\ spectral lines present in the spectra of the selected sample todetermine the EW and velocity of the flows observed in the star-forminggalaxies. Subsequently, we conducted $10^7$ bootstrap simulations usingSpearman's rank correlation coefficient ($\rho_s$) to explore correlations withgalaxy properties. Furthermore, we calculated the covering factor, gas density,and optical depth for the measured \ion{Fe}{II} doublets.  Results. Our analysis revealed strong correlations between the EW of\ion{Mg}{II} lines and both $M_{*}$ ($\rho_s=0.43$, 4.5$\sigma$) and SFR($\rho_s=0.42$, 4.4$\sigma$). For the \ion{Fe}{II} lines, we observed strongcorrelations between the EW and SFR ($\rho_s\sim0.65$, $>3.9\sigma$), with aweaker correlation for $M_{*}$ ($\rho_s\sim0.35$, $>1.9\sigma$). No notablecorrelations were found between velocity measurements of \ion{Mg}{II} line and$M_{*}$, SFR, or sSFR of the objects ($\rho_s\sim0.1)$. However, a negativestrong correlation was found between the velocity of the \ion{Fe}{II} lines andthe SFR of the galaxies ($\rho_s\sim-0.45$, $\sim3\sigma$). Our results alignwith previous studies but studying FIR-selected objects. Finally, we detected acandidate \textit{loitering outflow}, a recently discovered subtype of FeLoBALquasar, at redshift of $z=1.4399$, exhibiting emission in \ion{C}{III}] and lowline velocities ($|v|\lesssim$ 200 km/s).

The Lockman-SpReSO project. Galactic flows in a sample of far-infrared galaxies