Grelci Maras d.o.o.|Jevčeva pot 2, 1351 Brezovica pri Ljubljani, Slovenia|+386 (01) 365 3 518|info@grelci-maras.si

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Grelci Maras d.o.o.
Jevčeva pot 2,
1351 Brezovica pri Ljubljani,
Slovenia
+386 (01) 365 3 518 | info@grelci-maras.si

USE

High performance cartridge heaters type HLP represent the latest development of cartridge heaters of conventional design.
The special construction allows an extremely high surface loading and thus a large power in a small area.
HLP heating element are used to provide efficient and consistent heat in various industrial and commercial applications. These compact heating units are designed to be inserted into a hollow hole or a cavity, allowing for direct heat transfer to the surrounding material.

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ADVANTAGES

Efficient Heat Transfer: Cartridge heaters provide rapid and consistent heat transfer to the surrounding material, making them ideal for applications where precise temperature control is required.
Compact Design: These heating units are designed to be compact and space-efficient, making them suitable for use in a wide range of applications.
Easy Installation: Cartridge heaters are typically easy to install, requiring minimal setup and configuration.
Long-Lasting: With proper maintenance, cartridge heaters can provide years of reliable service.

Application areas:
Plastic industry, foundries, Woodworking machinery, packaging machine industry

TECHNICAL SPECIFICATIONS

Standard Voltage:	230V, 400V ( other on request)	Standard dimensions:	6,5 mm, 8 mm, 10 mm, 12,5 mm, 16 mm, 20 mm
Sheath material:	CrNi-steel , material no. 1.4541	Lenght:	40 – 300 mm
Insulation material:	Pure magnesium oxide	Connection:	Variety of options, see bottom
Max Watt densty:	50 W/cmm²	Connection cable:	250, 500, 1000 mm or other
Operating temperature:	max 750°C	Integrated thermocouple:	As option type J
Heating conductor:	Nickel-Chrom 80/20

Standard dimensions of cartidges heaters

HLP 6,5 HLP 8 HLP 10 HLP 12,5 HLP 16 HLP 20

Ø	HLP 6,5	Standard power (W)
Lenght (mm)	40	100	125	160	175	200
	50		100	160	200	250
	60		125	200	250	315
	80	125	180	280	350	315
	100	160	220	350

Ø	HLP 8	Standard power (W)
Lenght (mm)	40		100	160	200	250
	50		125	200	250	315
	60	100	140	220	280	350
	80	160	200	315	400
	100	180	280	400
	130	250	400

Ø	HLP 10	Standard power (W)
Lenght (mm)	40	100	125	200	250	315
	50	100	160	250	315	400
	60	125	180	315	400	500
	80	160	250	400	500	630
	100	220	350	560	700	850
	130	315	500	800
	160	400	630

Ø	HLP 12,5	Standard power (W)
Lenght (mm)	40	100	160	250	315	400
	50	100	200	315	400	500
	60	125	200	315	400	500
	80	200	315	500	630	800
	100	250	400	630	800	1000
	130	400	630	1000	1250
	160	500	800	1250
	200	630	900

Ø	HLP 12,5	Standard power (W)
Lenght (mm)	40		100	250	315	400
	50	160	250	400	500	630
	60	160	250	400	500	630
	80	280	400	630	800	1000
	100	350	500	800	1000	1250
	130	500	700	1100	1400	1800
	160	630	900	1600	1800
	200	800	1250	2000
	250	1000	1600
	300	1250	1800

Ø	HLP 20	Standard power (W)
Lenght (mm)	60	200	315	500	630	800
	80	350	500	800	1000	1250
	100	450	630	1000	1400	1600
	130	630	900	1400	1800	2200
	160	800	1100	1800	2200
	200	1000	1600	2500
	250	1250	2000
	300	1600	2200

Selection

Cartidge heater connection type Connection leads Connection options Protective hoses

NA leads connected outside

Ø	A	6,5	8	10	12,5	16	20
	B	3	4	4	4,5	4,5	5
	C	45	45	45	45	45	45

Leads connected outside of the heater

ISAN insulated connections

Ø	A	6,5	8	10	12,5	16	20
	B	7	7	9	11,5	12,5	14
	C	6	7,5	9	10,5	12,5	16

This execution has a VDE sign.

DIRFLEX leads directly coming out

LEGLS glassfibre insulated leads 250°C/350°C (standard)

LETEM temp. resistant glassfibre leads 400°C/600°C

LETEF PTFE-insul. leads up to 260°C

LESIL silicon insul. leads up to 200°C

SERD earth lead

EN threaded nipple

Ø	A	6,5	8	10	12,5	16	20
	B	6	6	6,5	6,5	8,5	12
	C	3	4	4,5	4,5	5,5	6

The heating elements type HLP can be equipped with a threaded nipple made of brass or stainless steel.
Brass nipples will be soldered to the cartridge, stainless steel nipples will be welded. Heaters with the nipple dimensions indicated beside can be delivered at short notice.

WAN angular connection

Ø	A	4	6,5	8	10	12,5	16	20
	B	32	32	38	38	38	38	38
	C	5	7,5	9	11,5	14	18	22
	D
	E	5	8	10	12	14	18	22
	F	Length of the protective hose according to offer

Angular connection type WAN with or without metallic protective hose.

WAN RUND angular round connection

Ø	A	6,5	8	10	12,5	16	20
	B	6	7,5	9,5	12	15	19
	C	5	6,5	9	11,5	14	18
	D	7,75	9	11,5	14	16,5	20,5
	E	Length of the protective hose according to offer
	F	Length of the lead according to offer

Round with or without metallic protective hose

SSL protective hose

Ø	A	6,5	8	10	12,5	16	20
	B	32	38	38	38	38	38
	C	7,5	9	11,5	14	18	22
	D	6	8	10	10	14	14
	E	Length of the protective hose according to offer
	F	Length of the lead according to offer

Description: Protective hose made of spirally shaped, wound, galvanised steel ribbon for cartridge heaters from dia. 6.5 mm through dia. 20 mm.
This hose protects the connections from mechanical damage but cannot be used when the heaters are subject to a lot of movement.
A connection tube joins the cartridge heater to the protective hose. The hose is mounted into the tube or around its outer diameter and welded.
Usage: Protecion against mechanical damage, strain relief

DRGSL wire mesh hose

Ø	A	6,5	8	10	12,5	16	20
	B	32	38	38	38	38	38
	C	7,5	9	11,5	14	18	22
	D	6,2	6,2	10,2	10,2	10,2	10,2
	E	Length of the protective hose according to offer
	F	Length of the lead according to offer

Description: Wire mesh hose made of galvanised wire netting for cartridge heaters with diameters from 6.5 mm through 20 mm.
The connection tube for the wire mesh hose protrudes over the cartridge diameter.
Usage: recommended for moving parts

Delivery times

At our company, we understand that every project has unique timelines and requirements.
That’s why we offer two flexible delivery options to meet your needs:

Standard Production Delivery
Our Standard Production option is perfect for projects with a flexible timeline. This cost-effective solution ensures high-quality production and reliable delivery within the standard timeframe. It’s an excellent choice for businesses that want exceptional results without the urgency of a tight deadline.

Express Production Delivery 48 / 72 hr
When time is of the essence, choose our Express Production option. Designed for urgent projects, this expedited service prioritizes your order to ensure rapid production and delivery without compromising on quality. Whether you’re facing a tight deadline or an unexpected demand, we’ve got you covered.

GRELCI MARAS d.o.o.

Address
Jevčeva pot 2
1351 Brezovica pri Ljubljani
Slovenija, EU

Phone
+ 386 (01) 365 3 518

E-mail
info@grelci-maras.si

ID za DDV
SI89018788

Matična številka
6090648000

TRR
SI56 0201 8025 9724 155
Nova Ljubljanska Banka d.d.

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Write to us if you have any question and we will answer you as soon as possible.

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CARTRIDGE HEATERS

HLP

USE