Protective Gas Boxes with Vacuum Lid for Models N 30/45HA - N 500/85HA

Protective gas box with vacuum lid

The same as the boxes described above, however with vacuum lid and vacuum connection. Before the box is placed in the furnace, in a cold state a vacuum and protective gas atmosphere are alternately generated to force out the oxygen and achieve a pure atmosphere.

  • Protective gas box with process lid, vacuum lid, protective gas inlet and outlet through the furnace collar and seal profile for process lid with support for vacuum lid
  • Protective gas supply with quick lock and hose connector (outer diameter 8 mm)
  • Lid sealed with ceramic fiber, ceramic insulating materials can alternatively be used
  • Vacuum lid with rubber sealing gasket
  • Gas connection with quick-release coupling with 3/8 inch hose sleeve
  • Charge thermocouple type K
  • Pull lug of model N 30/45 HA - N 120/85 HA
  • Made of heat-resistant alloys: 450 °C - 304 (AISI)/(DIN material no. 1.4301), 650 °C - 321 (AISI)/(DIN material no. 1.4541) or 850 °C - 309 (AISI)/(DIN material no. 1.4828)

Additional Equipment

  • Digital temperature display
  • Protective gas systems
  • Vacuum pump
  • Charging trolley
Article no.FurnaceInner dimensions in mmExterior dimensions in mm
631000549N 30/45HA170300130258388222
631000550N 60/45HA230380220318468312
631000551N 120/45HA330480320418568412
631000552N 250/45HA410560380698648542
631000553N 500/45HA560810530648898692
631000554N 30/65HA170300130258388222
631000555N 60/65HA230380220318468312
631000556N 120/65HA330480320418568412
631000557N 250/65HA410560380498648542
631000558N 500/65HA560810530648898692
631000559N 30/85HA170300130258388222
631000560N 60/85HA230380220318468312
631000561N 120/85HA330480320418568412
631000562N 250/85HA410560380498648542
631000563N 500/85HA560810530648898692
Article no. 601603960, 1 set of fiber insulation cord, 5 strips of 610 mm each
Larger boxes and custom dimensions available upon request
Termoprocesní technika I