Mycom SRM Screw Compressor. Model: 250 LUD. S/N: 2511199. Hydrostatic test pressure: 465 psig. Leak test pressure: 315 psig. The rotor lobe profiles have a non-symmetric profile which give high compression efficiency. Volume ratio: 5.8. Inlets: (1) 13 in. dia. suction port with a 17 in. dia. flange and (12) 3/4 in. dia. attachment holes at a center-to-center distance of 14-3/4 in. Outlets: (1) 10 in. dia. bottom discharge. Overall dimensions: 60 in. L x 27 in. W x 26 in. H.