MI high temperature industrial heating cable

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Product Name: MIHC

Product Category:
Mineral insulated heating cable

Product Introduction:
I. General description of MI heating cable
II. Structure of heating cables
III. Product standards
IV. Electrical properties
V. Product data
E-MAIL:
info@heatcablemat.com

Detail

General description of MI heating cable

MI cables are made in special manufacturing process taking a single or several heating alloy as the heating source, electric melting crystal magnesium oxide of high purity and high temperature as the thermal insulator and seamless stainless steel or copper tube as the sheath. PE sheath or that with low smoke and zero halogen can be added in the place exposed in strong corrosion.

● MI heating cables with stainless steel sheath

MI heating cables with stainless steel sheath can be used in the environment of high temperature and great heating power (up to 269W/m). Its maximum temperature resistance can be up to 600℃, the resistance of conductor is within 28000-19.2Ω/km. MI cables are of excellent mechanical strength and corrosion proof.

● MI heating cables with copper sheath

MI heating cables with copper sheath can be used in the environment of high temperature and for long pipe transmission. Its maximum temperature resistance can be up to 250℃, the resistance of conductor is within 480-0.5Ω/km; as for those to be corrosion protected or buried underground, HDPE sheath (MIHC) shall be added, the maximum temperature resistance of MIHC can be up to 90℃; MI cables are of excellent mechanical strength.

● MI heating cables with copper nickel alloy sheath

MI heating cables with copper nickel alloy sheath can be used in the environment of high temperature and for long pipe transmission. Its maximum temperature resistance can be up to 400℃, the resistance of conductor is within 28000-19.2Ω/km; MI cables are of excellent mechanical strength and corrosion proof.

Structure of heating cables

Product standards

Comply with IEC800 (92) Heating Cables with a Rated Voltage of 300/500 V for Comfort Heating and Prevention of Ice Formation for cables with maximum heating temperature less than 250℃ and comply with the enterprise standard for those above 250℃.

Electrical properties

Tolerance of resistance: ±10%

Dielectrical property – withstand voltage of heating cable: 1200VAC/1min

Insulation resistance – test of finished products: 100MΩ/500VDC

Continuity of sheath – the insulation resistance shall be tested after soaking the whole heating cable in water for 12h (including joints), and the value must be 50M/500VDC at least.

Product data

1. MI heating cable with copper core and copper sheath

SN	Spec.	Core number	Voltage class	Nominal outside diameter	Core resistance at 20℃	Regular length	Reference weight	Service temperature
SN	Spec.	Core number	V	mm	Ω/m	m	Kg/km	℃
1	1M1.1	1	500	7.9	0.0011	300	318	< 250
2	1M1.7	1	500	6.8	0.0017	350	224	< 250
3	1M3	1	500	5.8	0.003	400	153	< 250
4	1M4	1	500	5.2	0.004	430	118	< 250
5	1M7	1	500	4.7	0.007	460	94	< 250
6	1M11	1	500	4.2	0.011	500	72	< 250
7	1M17	1	500	3.9	0.017	540	59	< 250
8	1M23	1	500	3.7	0.023	600	52	< 250
9	1M34	1	500	3.5	0.034	670	46	< 250
10	1M57	1	500	3.4	0.057	700	44	< 250

2. MI heating cable with Nickel-Chromium alloy core and stainless steel sheath

SN	Spec.	Core number	Voltage class	Nominal outside diameter	Core resistance at 20℃	Regular length	Reference weight	Service temperature
SN	Spec.	Core number	V	mm	Ω/m	m	Kg/km	℃
1	1M190	1	500	5.8	0.190	220	140	< 800
2	1M280	1	500	5.2	0.280	280	108	< 800
3	1M450	1	500	4.7	0.450	342	86	< 800
4	1M750	1	500	4.2	0.750	420	66	< 800
5	1M1100	1	500	3.9	1.100	499	54	< 800
6	1M1500	1	500	3.7	1.500	540	48	< 800
7	1M2300	1	500	3.5	2.300	600	42	< 800
8	1M4500	1	500	3.3	4.500	675	38	< 800
9	1M7500	1	500	3.2	7.500	715	37	< 800
10	1M11K	1	500	3.1	11.000	760	34	< 800
11	2M1100	2	500	6.5	1.100	180	146	< 800
12	2M1500	2	500	6.2	1.500	195	133	< 800
13	2M2300	2	500	5.7	2.300	234	108	< 800
14	2M4500	2	500	5.2	4.500	280	90	< 800

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Introduction

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