Intermodal
ISO tank general specifications
General features and fittings information so you can ship your chemicals and liquid bulk commodities with confidence
General features
Frame dimension: 20’ L x8’ W x 8’6” 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 lb)
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)
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 valve 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. 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, curbside 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 these 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.
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