Chemical ISO Tank (Optimodal): ISO Tank General Specifications

General Features:

  • Frame dimension:
    • 20’lx8’wx8’6”h
  • Nominal capacities:
    • 15,000 liters (3,963 gal), 17,500 liters (4,623 gal), 21,000 liters ( 5,548 gal), 23,000 liters (6,076 gal), 24,000 liters (6,340 gal), 25,000 liters 6,605 gal).
  • Tare weights:
    • 3,300 kg, 3,350 kg, 3,400 kg, 3,450 kg, 3,500 kg, 3,550 kg.
  • Maximum gross weight:
    • 36,000 kg (79,365 lbs)
  • Stacking weight:
    • 9 high of 24,000 kg (ISO)
  • Frame material:
    • EN 10210 S355 J2H / Supraform TM 380 (Hollow sections)
    • EN 10210 S355 J2H / Supraform TM 380 (Plates)
    • EN 10025 S355 K2G3 (rolled sections)
  • Shell material:
    • Columbus TCG 316L Cold Rolled 2B (shell). 2B finish.
    • Columbus TCG 316L Hot Rolled, Polished (heads) 2B finish.
  • Working pressure:
    • 4 bar (58 psi)
  • Test pressure:
    • 6 bar (87 psi)
  • Allowable vacuum:
    • .41 bar (12 in Hg)Allowable vacuum:.41 bar (12 in Hg)

General Fittings:

  • Manhole:
    • 500 mm (19.7 in) diameter. PTFE dome gasket fitted.
  • Safety relief:
    • One pressure relief valve is fitted and set at 4.4 bar (63.8 psi) with a provision for a second valve. There is also a provision for rupture disc and manometer.
  • Air / Nitrogen inlet:
    • One 1 1⁄2” stainless steel 316 ball valve is fitted with 1 1⁄2” BSP male threaded nipple and cap.
  • Bottom discharge:
    • Fitted with three closures. Internal valve: Fort vale 3” high-lift valve with remote control. External valve: clamped 3” butterfly valve with a 3” BSP male threaded outlet and 3” BSP stainless steel cap. PTFE gaskets.
  • Top discharge:
    • Provision is made for the fitting of a 3” butterfly valve and a 3” siphon tube.
  • Spillboxes:
    • Two spillboxes are fitted. The center spillbox protects the relief valve and manhole. o The rear spillbox protects the air / nitrogen inlet and top discharge (if fitted).
  • Steam heating:
    • Fitted with 8 square meters of steam heating area comprised of 8 runs of 110 mm (4.3 in) x 4,700mm (180 in) longitudinal channels fitted with 3/4″ BSP male threaded inlet and outlet connections.
  • Insulation:
    • 50 mm of Rockwool on the shell and 50 mm of Glasswool on the ends of the barrel
    • .U value = 1.19 W/m2.k
  • Walkways:
    • Fitted with one longitudinal and three lateral sections of marine grade aluminum walkways providing access to all fittings. One ladder is provided at the rear, curb side of the frame.
  • Grounding Connection:
    • One stainless steel lug is located at the rear, bottom frame.
  • Thermometer:
    • One 80 mm thermometer is fitted with dual scale (’20 ° C to 200° C and 0° F to 400° F)
  • Document Holder:
    • Fitted with PVC water resistant document holder fixed at the rear of the frame.
  • Calibration:
    • Fitted with a stainless steel calibration chart. 100% of ISO tank calibrated.
  • Approvals:
    • IMDG-IMO, US DOT – CFR49, RID/ADR, AAR 600, CSC, TC, TIR / Customs, UIC.

Please note that the above specifications are “general specifications” that pertain to the majority of the tank containers in our fleet. These specifications should only be used for general, informational purposes.