Cabinet Construction Standard model features powder-coated door, front, and sides. Interior has 304 stainless steel on door liner, top, bottom, back and sides. Exterior is galvanized heavy-duty steel or aluminum construction for long term corrosion free appearance. Changes to color possible with optional upgrade. Heavy-duty casters included as standard. Optional model availability to change construction materials to aluminum or higher end grades of stainless steel available. 2" I.D access port with access port cover and insulation plug located on side wall of the chamber. Doors Positive seal, self-closing doors (gravity cam-lift) with 120 degree stay open feature. Door gasket removal and installation is tool-less. Glass door models feature double pane,"Low-E" glass. Insulation Entire cabinet structure and doors insulated using foamed-in-place CFC-free polyurethane foam. Shelving Wire shelves (3 per door) available in stainless steel or PVC coated. Shelves capable of supporting up to 150 lbs of evenly distributed weight. Gray PVC coated shelves are standard. Full height shelf support pilasters, with double oblong holes on 1/2" centers. Pilasters made of the same material as cabinet interior. Four (4) chrome plated, stainless steel shelf clips to be included for each shelf. Downloads Download Specification Refrigeration System Unsurpassed temperature control through continuous refrigeration bypass system. Refrigeration system factory balanced using CFC free 134A refrigerant. Top mounted condensing unit. Factory pre-engineered capillary tube system with over-sized condenser and evaporator to reduce product pull down time and to consistently maintain interior cabinet temperature (non-adjustable capillary tube system superior to problematic expansion valve). Evaporator - epoxy-coated at the time of manufacture to eliminate the potential of corrosion. Electrical Characteristics Unit completely pre-wired at factory, and ready for final connection to a 115/60/1 phase - 15 amp dedicated (recommended) outlet. Unit runs approx. 6RLA under test conditions. A cord and plug set is included. A sole use circuit is recommended. Popular options include chart recorder and TraceLock electronic/audit capable locks.