Get current pricing for Walker, Approx 50 Gal SS Pre 200 Liter (approx 50 Gal) Dome Top Agitated Pressure/vacuum Vessel 50 Psi/fv @ 300 F Tank, 50 Psi @ 300f And -20f @ 50 Psi Jacket, Top Mounte . Product Category: Process Equipment, Sub Category: Pressure Vessels: