Overview

Bonis front load kilns for photoceramics are high quality professional equipment that fully meets the requirements of the modern studios. Made from high quality raw materials ,produced by the best European companies, for guaranteed performance and long life span. Their multilayer insulation combined with the high insulating capacity of the materials used, ensure high energy saving, and slow cooling rates.

Features

Frame

The frame is constructed by forged metallic beams and corners. The external cover is made by metallic sheet, painted by a special fire proof colour.

Frame features the appropriate lifting points,so that kilns can be handled by manual lifting equipment.

Thermal Insulation

Multilayer insulation with total thickness of 14cm (kiln type MKF20 to MKF85) or 18cm (kiln type MKF150 to MKF720) It consists of special light weighted insulating firebricks (IFB), Grade 25, thickness 7.6cm, classification temperature 1350°C, and a second layer (back up) of Grade 23 IFB, thickness 6.4cm. Multi-layer insulation offers great energy savings.

Heating Elements

Heating elements are made by Kanthal class A1 wire, able to withstand up to 1340ºC. They are mounted in specially designed grooves on the insulating firebricks, and are fully protected. In all our kilns, heating elements are properly balanced, and designed in zones, taking so advantage of the natural potential of heat, achieving lower energy consumption, and ensuring absolute temperature uniformity.

Thermocouples

Kilns are equipped with an S type thermocouple (for maximum temperature 1300C), or with a K type thermocouple (for maximum temperature 1200C)

Door Safety

Kiln feature a door safety switch, which will cut off the power supply to the kilns elements in case someone opens the door while the kiln is in operation.

Arch Cosntruction

Models MKF85 to MKF730 feature a self-supporting, vaulted, arch ceiling

Observation Hole

Kilns feature obesrvation holes on the front side. Depending the model, kiln may feature one, two or three observation holes

Door seal

Door sealing firebricks, precisely placed by hand , along with heavy duty door toggle clamps, ensure tight sealing.

Exhaust air opening

Kilns feature an exhaust air opening in the center of the roof, which ensures proper ventilation of the kiln.

Heating Element Support System

Heating elements in models MKF150 to MKF730 are supported by special refractory shelves (C.Bonis S.A. Registered Patent). These shelves are made by light weighted insulating firebricks, which can be easily replaced by the user in case of damage. In models MKF20 to MKF85. heating elements are mounted in specially designed grooves on the insulating firebricks, and are fully protected.

Other Features

Heating from 5 sides (MKF85 to MKF730)

Ergonomic charging height.

Silent operation.

Low biopersistent insulation materials.

Optional Features

Base of kiln moving on rails.

Automatic exhaust air flap.

Automatic air inlet flap.

Temperature Control

Kiln models with internal height up to 58cm, feature a single zone temperature control system. These kilns are equipped with the controller ST 215.
Kiln with internal height 69cm can be upgraded to a a multi-zone temperature control system.
The multi-zone temperature control system features three thermocouples and the temperature control is carried out in three different zones (upper zone, middle zone, bottom zone).
In kilns of large internal height, our multi-zone temperature control ensures complete temperature uniformity throughout the kiln, regardless of uneven ceramic loading, heating element condition, etc.
Multizone temperature control kilns are equipped with the ST535 controller.

Both controllers are easy and practical to use, and they are equipped with the most advanced features. The state of the art technology used to manufacture the controllers and high quality performance, guarantees safe firing and precise temperature control. Controllers are detachable and can be easily detached from the kiln for use in another kiln, or to be stored.

Both controller features:
- 32 programms each with 32 segments
- Free segment programming
- Segment comprises of 1 heating / cooling ramp followed by a soak period
- Segment is programmed as target temperature and ramp rate (C or F per hour)
- Ramp rate from 1 to 999/hour and Full power
- Programs can be altered while firing
- Program pause while firing (dwell / soak during pause)
- Program advance facilities (Skip Segment)
- Keyboard Lock
- Delayed Start facility (up to 99 hours 59 mins)
- Power failure recovery
- Energy used display (even during running a program, it will display the energy used up to this point)
- Set point display
- C / F operation

Optionaly, both controllers can have the capability to be accessed and controlled remotely from your mobile, laptop or tablet.
Using 'MyKiln" portal site you can view and control your kiln in real time. You can Stop a firing or adjust programs, from anywhere in the world.
WiFi enabled controllers feature also a USB port that allows you to directly control it from a PC and it also allows us to apply updates and run diagnostics from distance

Learn more about the Wifi option

Dimensions

Type	Inner Width	Inner Length	Inner Height	Capacity	T Max	Model	Power	Supply	Download
Type	cm	cm	cm	lit	°C	Model	Kw	Supply	Tech Sheet
MKF20	27	30	24	19	1200	MKF20L	2.5	1 or 2 Phases	MKF20
					1250	MKF20M	3	1 or 2 Phases
					1300	MKF20H	3	1 or 2 Phases
MKF40	35	35	35	43	1200	MKF40L	4	1 or 3 Phases	MKF40
					1250	MKF40M	4.5	1 or 3 Phases
					1300	MKF40H	4.5	1 or 3 Phases
MKF85	42	45	45	85	1200	MKF85L	6.5	1 or 3 Phases	MKF85
					1250	MKF85M	7.5	3 Phases
					1300	MKF85H	7.5	3 Phases
MKF150	45	55	60	148	1200	MKF150L	9	3 Phases	MKF150
					1250	MKF150M	13	3 Phases
					1300	MKF150H	13	3 Phases
MKF230	48	62	75	223	1200	MKF230L	15	3 Phases	MKF230
					1250	MKF230M	18	3 Phases
					1300	MKF230H	18	3 Phases
MKF320	53	75	82	326	1200	MKF320L	21	3 Phases	MKF320
					1250	MKF320M	24	3 Phases
					1300	MKF320H	24	3 Phases
MKF460	65	80	90	468	1200	MKF460L	24	3 Phases	MKF460
					1250	MKF460M	27	3 Phases
					1300	MKF460H	27	3 Phases
MKF600	65	93	100	604	1200	MKF600L	27	3 Phases	MKF600
					1250	MKF600M	33	3 Phases
					1300	MKF600H	33	3 Phases
MKF720	65	93	120	725	1200	MKF720L	33	3 Phases	MKF720
					1250	MKF720M	36	3 Phases
					1300	MKF720H	36	3 Phases
MKF900	80	95	120	912	1200	MKF900L	40	3 Phases	MKF900
					1250	MKF900M	45	3 Phases
					1300	MKF900H	45	3 Phases

Kiln Furniture

Kilns are provided with the necessary fireplates and supports. Quantity and sizes can be altered according to your personal needs, and products, since each workshop has different needs.

Technical Support

Our company has an organized and fully equipped customer Service and Support department.
Our experienced and specialized technical staff provide responsible and immediate technical support.
Our many years of experience and our direct, daily contact with end-users enable us to provide reliable and immediate consulting on kilns operation as well as on firing, and material issues.
Counseling and Technical Support are available 7 days a week.

Spare Parts

All kilns are manufactured by our company in Greece. We have a complete stock of raw materials and spare parts, which are shipped directly anywhere in the world.