Wittemann Hasselberg CO2 Adsorptive Dryer. Model: W-4. S/N: 47510. Power requirements: 460 V, 3 phase, 60 Hz. Control power requirements: 115 V, single phase, 60 Hz. MAWP: 250 psig @ 40 F. Left tube model: CRNC-8399.2. S/N left tube: 46873-4L. Year built: 1977. MAWP: 300 psi @ 650 F. Right tube model: CRNC-8399.2. S/N right tube: 46873-4R. MAWP: 300 psi @ 650 F. Inlets/Outlets: (2) 2 in. NPT male. Overall dimensions: 3 ft. 1 in. L x 2 ft. W x 6 ft. H.
