Contact us via e-mail
Click here to return to Home.



  MODEL M50P-1700

  MODEL M80P-1700


HPLT-100 High Pressure
GEM OILING Apparatus


HPLT-100 High Pressure - Low Temperature "Oiling" Apparatus

Gemlab's High Pressure-Low Temperature model HPLT-100 gemstone oiling machine is a desktop, compact apparatus that works in any environment. The oiling apparatus is used to induce oils, resins, oleoresins and almost any combination of compatible liquid "fillers" of any viscosity into the surface-reaching fissures on emeralds and other gemstones. This results in "filling" the cracks/fissures of the gemstone hiding their imperfections, increasing their diaphaneity, thus producing apparent clarity improvement. The practical application of the oiling is based on simple principles in physics enabling to obtain pressures to 260 bar ( 3770 psi) at 120oC in about 45 minutes depending the type of filler, load and other parameters. Higher pressures to about 600 bar (8700 psi) are achieved if the temperature is increased to 200oC. The oiling apparatus consists of these parts:

  • Stainless steel capsule - where the stones are loaded, heated and highly pressurized
  • Pressure gauge (range 0-600 bar (7,977 psi), ON-OFF valve and other fittings
  • Control console housing the temperature programmer/controller, various other temperature control parts and instruments
Features & specifications
  • Desk-top, measures 280 (D) x 280 (W) x 100 (H) mm
  • Net weight is only 9 kgs
  • Operating temperature is 25oC to 300oC
  • Maximum pressure is 600 bar (8700 psi)
  • Loading capacity per run: 880 carats of beryls (full load)
  • Heavy duty stainless-steel capsule and all other parts
  • Drain port for removing oil from the capsule; cooling fan
  • Fastening tool for tighten the cover of the capsule
  • Single program, auto-tune, 30-step, artificial intelligent temperature programmer/controller that controls indirectly the desired pressure
  • Internal band-type heater (500W @ 220 Vac)
    SSR temperature control method
  • Long-life “K- type" thermocouple
  • Analog ammeter, on-off power switch, alarm-buzzer, key-switch, fuses
  • Power: 500 W, plugs to any 220 Vac 3A (1 phase)
  • Very low power consumption, only 250 watts needed to maintain pressure at 260 psi (3800 psi)
  • Safe and easy operation
  • Long-lasting performance
  • In stock; delivery 3-4 weeks, FOB Bangkok; check for availability
  • One year warranty on all electric and electronic parts
           SITE MAP


Site Updated June 19, 2013
Best viewed with Firefox/Chrome at 1280 pixels

Copyright © Ted Themelis 2013