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Rectangular stainless steel laboratory oil bath unit with digital control panel and circulation pump connections

HNZXIB

HNZXIB GYY-20L 20L oil bath 200°C laboratory supply

SKU CH-Y9FM-7AERN MPN GYY-20L

20-litre oil bath reaches 200 °C with 4.5 kW heating and a sealed magnetic pump circulating 20-25 L/min at 1.45 MPa

  • Total capacity20L
  • Temperature rangeRT~200 °C
  • Rated voltage220 V
  • Product typeWater/Oil Bath
  • 20 L reservoir supports large-volume experiments
  • 5 kW heating power reaches 200 °C quickly
  • Sealed magnetic pump circulates at 20-25 L/min
  • Digital control holds water bath to 99 °C and oil bath to 250 °C
  • 45 MPa cycling pressure drives fluid through external apparatus

20 L oil bath circulator

The HNZXIB GYY-20L is a 20 L thermostatic circulator that operates as a water bath up to 99 °C or an oil bath up to 200 °C. It uses a sealed magnetic pump to deliver 20 to 25 L/min at 1.45 MPa cycling pressure. A 4.5 kW heater runs on 220 V 50/60 Hz supply drawing 10 A.

Replaces basic static baths

The unit upgrades from simple uncirculated baths by adding active circulation and digital temperature control. The jump is worth it when experiments need uniform temperature across a 20 L volume or when sealed magnetic pumping prevents vapour leaks. It does not suit buyers who need temperatures above 200 °C in oil mode.

220 V single-phase limit

The 220 V 10 A connection caps heating power at 4.5 kW, so heat-up speed is fixed by that supply. The sealed magnetic pump sets a practical flow ceiling of 25 L/min and 1.45 MPa pressure. The 20 L reservoir volume limits the maximum sample load per run.

How it compares

Measured against everything we stock in Lab Equipment & Supplies, at today’s prices. Recalculated every night.

Price $1,149.99
Pricier than about 78% of the 734 comparable items (median $60.99).

Specifications

Product
Total capacity20L
Product typeWater/Oil Bath
Power
Rated voltage220 V
Environment & compliance
Temperature rangeRT~200 °C

Questions about this item

What bench space and power supply does the 20 L oil bath need?

The unit holds 20 L of fluid and draws 10 A at 220 V 50/60 Hz, so allow room for the reservoir plus clearance for the sealed magnetic pump and a dedicated 220 V circuit.

How is the circulator plumbed and what wiring mistake should be avoided?

Connect the inlet and outlet to your external loop, fill with oil or water, then wire the 220 V supply to a 10 A breaker; the common error is powering the 4.5 kW heater before the 20–25 L/min pump is primed.

Which components will need inspection or replacement over time?

The sealed magnetic pump, heating element and temperature sensor should be checked periodically; the pump circulates at 1.45 Mpa and the heater runs at 4.5 kW, so seals and element degradation are the typical wear points.

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