Vacuum tube

high borosilicate glass,dia 47*length 1500 or dia 58*length 1800.

Outer tank

dia from 410 to 500mm, color steel or Galvanized aluminum steel

Inner tank

dia from 310mm to 380mm, food grade stainless steel 304 2B

Capacity of tank

80L---300L

Insulating layer

High density Polyurethane foam, thickness: 50~65mm.

Stand

galvanized steel or aluminum alloy, pow