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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
  wdhWDH
631000549 N 30/45HA 170 300 130 258 388 222
631000550 N 60/45HA 230 380 220 318 468 312
631000551 N 120/45HA 330 480 320 418 568 412
631000552 N 250/45HA 410 560 380 698 648 542
631000553 N 500/45HA 560 810 530 648 898 692
631000554 N 30/65HA 170 300 130 258 388 222
631000555 N 60/65HA 230 380 220 318 468 312
631000556 N 120/65HA 330 480 320 418 568 412
631000557 N 250/65HA 410 560 380 498 648 542
631000558 N 500/65HA 560 810 530 648 898 692
631000559 N 30/85HA 170 300 130 258 388 222
631000560 N 60/85HA 230 380 220 318 468 312
631000561 N 120/85HA 330 480 320 418 568 412
631000562 N 250/85HA 410 560 380 498 648 542
631000563 N 500/85HA 560 810 530 648 898 692
Article no. 601603960, 1 set of fiber insulation cord, 5 strips of 610 mm each
Larger boxes and custom dimensions available upon request

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