Highway Tank Specifications

TC331

TC331

Highway tank for liquefied compressed gases (e.g. LPG, NH3);
Steel or aluminum;
Design pressure shall be at least 690 kPa (100 psi) and not more than
3450 kPa (500 psi);




TC338

TC338

Insulated highway tank for gases as refrigerated liquids;
Supported welded inner vessel enclosed within a jacket;
Insulation between the inner vessel and jacket;
Insulation may be by vacuum;
Design pressure shall be at best 180 kPa (26 psi) and not more than
3450 kPa (500 psi);



TC341

TC341

Insulated highway tank for non flammable gases as refrigerated liquids;
Pressure control valve set at 175 kPa (25.3 psi);
Supported inner vessel enclosed within a jacket;
Insulation between the inner vessel and jacket;
Insulation may be by vacuum;



TC406

TC406

Highway tank for flammable liquids and low hazard chemicals (e.g. gasoline,
diesel);
Steel or aluminum shell or reinforced plastic;
MAWP between 18 and 28 kPa (2.65 and 4 psi);
If transporting crude, MAWP between 18 and 100 kPa (2.65 and 14.7 psi);



TC407

TC407
TC407

Highway tank for toxic, corrosive and flammable liquids;
Circular cross-section;
MAWP of at least 172 kPa (25 psi);
Over 235 kPa (35 psi) or vacuum loaded, must be ASME;
May be vacuum loaded if external design pressure is at least 103 kPa (15 psi)
and internal design pressure is at least 173 kPa (25 psi);
Steel, aluminum or reinforced plastic;



TC412

TC412
TC412

Highway tank for corrosive and some flammable liquids;
MAWP of at least 35 kPa (5 psi);
MAWP greater than 104 kPa (15 psi) shall be circular cross-section and
ASME certified;
Steel, aluminum or reinforced plastic;
May be vacuum loaded if external design pressure is at least 103 kPa (15 psi)
and internal design pressure is at least 173 kPa (25 psi);



TC423

TC423

Highway tank for emulsion and water-gel explosives;
MAWP of at least 35 kPa (5 psi) but not more than 103 kPa (15 psi);
Steel or aluminum;
Hopper style configuration accommodated;
Insulated:

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