H_range

Burntstone
CERAMIC LIMITED

Technical Data
April 1999 High Temperature Furnace range
Model HT to 1500°C, CL to 1600°C

8 Standard sizes

Clean, safe and simple to operate

Economical fast heat up

Silicon carbide elements

Automatic microprocessor temperature control with digital display

Safe up and over door

Full width work shelf

Door operated safety power cut-off

Over temperature protection

GENERAL DESCRIPTION:

H range high temperature furnaces are divided into three classes, i.e. HT up to 1400°C maximum, VH up to 1500°C maximum, and CL models up to 1600°C . 1700°C and 1800°C furnaces are designed to order.

A welded steel furnace chassis is enclosed with epoxy coated panels. An air gap with thermostatically controlled cooling fans between the outer panels and the furnace chamber lining ensures that the casing remains relatively cool. The furnace lining is graded high quality refractory insulation material. A thin wall of refractory brick may be included to provide a damage resistant surface and a hard wearing removable tile forms the furnace hearth.

The heating elements are silicon carbide rods mounted transversely in a cavity above the work chamber. The element connections are forced cooled for long life.

The full width door, of the up and over type, affords obstruction free access to the work chamber and keeps the hot face away from the operator at all times. The door is counterbalanced and a polished stainless steel shelf is fitted below.

The controls are set below the furnace chamber. The controls consist of a green illuminating on/off switch; a green mains neon; an orange load neon, and a red over-temperature warning neon. PID solid state, fully automatic temperature controllers are fitted, incorporating thermocouple break protection as standard.

The PID controllers have digital temperature set point and readout displays with thyristor power switching. Over-temperature protection and a door safety switch are fitted to all models.

Model	Chamber/ Case size H x W x D	Wt kg	Max Load kW	Heat up times (mins) to °C					Power(W) to maintain temp
Model	Chamber/ Case size H x W x D	Wt kg	Max Load kW	1000	1200	1400	1500	1600	1000	1200	1400	1500	1600
HT-1	90x125x175 560x410x420	37	2.2	13	25	45	-	-	560	750	1025	-	-
HT-2	100x150x305 560x410x560	45	5.0	6	13	24	-	-	760	1020	1410	-	-
HT-3	150x175x355 650x550x610	73	7.0	16	26	42	-	-	500	1010	1670	-	-
VH-1	90x125x175 650x550x500	57	3.6	10	18	28	32	-	360	485	720	980	-
VH-2	100x150x305 650x550x610	70	5.0	8	10	15	18	-	570	860	1240	1600	-
VH-3	150x175x355 700x550x660	80	7.0	10	15	20	23	-	870	1120	1640	2160	-
CL-1	100x150x250 700x610x660	90	4.5	6	12	20	28	42	620	840	1180	1475	1800
CL-2	150x175x355 700x610x660	140	7.0	20	34	50	60	70	790	1000	1520	1990	2310

All models operate on 240V 50 Hz. Dimensions do not include door counterweights and movement.
Power requirements will depend on local conditions and usage.

Should require high purity alumina or zirconia crucibles, boats or trays for these units please visit Almath Crucibles Ltd but remember to use the back button on your browser to return to this page.

The information and data herein are offered solely for your consideration and guidance and are not to be construed as a warranty or specification. Nothing contained herein is to be interpreted as authorisation to practice a patented invention without a licence.

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