Prevents water from freezing in metal or plastic pipes
Maintains temperature in pipes for a wide variety of industrial processes
Supplied by the metre – order as much or as little as required
Range includes ATEX approved cables and accessories

Range & Prices

Tech Spec

Selection

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Range & Prices

The prices shown are list prices and perfectly safe to use for budget purposes. Contact your electrical wholesaler for final prices.

Cables

NOTE: EX (ATEX) cables can be used in both hazardous and non-hazardous areas.

Model	W/m	List Price/m (under 50m)	List Price /m (50m+)
CRJM-11	11	£11.50	£10.50
CRJM-17	17	£12.00	£11.00
CRJ-25EX	25	£21.00	£20.00
CRJ-40EX	40	£22.00	£21.00

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CRJM cable is suitable for installation on plastic and metal pipes

Accessories

Model	Description	List Price
CRJ-T1	Termination Kit (one per circuit) uses shrink on material – not for use when ATEX approval required. Prepares one end for electrical connection and seals the far end.	£19.00
THK	Termination Kit (one per circuit) uses silicone – can be used when ATEX approval required or for general purpose applications (not for use with CRJM). Prepares one end for electrical connection and seals the far end.	£42.00
THKM	Termination Kit (one per circuit) uses silicone – for use with CRJM. Prepares one end for electrical connection and seals the far end.	£42.00
CRJ-S	Splice /T Kit (one for every splice or T joint) – uses shrink on material – not for use when ATEX approval required – max temperature 80˚C	£20.00
PF-T	Fixing Tape (33m x 19mm) for fixing cable to pipe – max temp 80°C	£3.50
AL-50	Aluminium Tape (45mm x 50mm) – for wrapping plastic pipes before installing cable or for fixing cable to pipe – max temp 110°C	£14.00
PF-L	Caution Labels (10 pack) apply to outside of insulation	£8.00
THB	Stainless Steel Bracket for junction box or THT thermostat c/w stainless steel bands for fixing to pipe – for insulation up to 50mm thick and pipes up to 150mm diameter	£26.00
THJ	Junction Box IP66 6-way terminal block 40A max	£42.00
THJEX	ATEX Junction Box with 3 x M20 entries (one plugged) 6-way terminal block 16A max	£190.00
THT	Capillary Thermostat 5 to 50°C IP66 (16A)	£135.00
THTEX	ATEX Capillary Thermostat 0 to 40°C IP66 (16A)	£672.00
FST2-IN	Frost Thermostat Indoor Use (20A)	£88.00
FST2-EX	Frost Thermostat Outdoor Use (20A) IP66	£166.00

Technical Specification

Application	Water pipe freeze protection
	Temperature maintenance (up to 50˚C)
Voltage	230V
Outputs	11 to 40W/m (see selection table)
Construction	Parallel (can be cut to length without affecting output per metre)
Earth protection	Continuous metal braid
Outer jacket	Thermoplastic
Maximum exposure temperature (power on)	65˚C (CRJM) 85˚C (CRJ)
Maximum exposure temperature (power off)	85˚C
Minimum installation temperature	-40˚C
Ingress protection	IP67
Minimum bending radius	35mm
Weight (kg/100m)	9.3 (CRJM) 11.8 (CRJ)

EX (ATEX) Cables

NOTE: EX (ATEX) cables can be used in both hazardous and non-hazardous areas

Zone	1,2,21 & 22
Group	IIC (gas) IIIC (dust)
Temperature Class	T6

Maximum Length (m) / Circuit Breaker Size (type C)

Cable	Start-up Temp (˚C)	10A	16A	20A	32A
CRJM-11	+5	76	126	128	——
	0	70	118	128	——
	-20	46	78	124	128
CRJM-17	+5	54	88	102	——
	0	50	84	102	——
	-20	34	56	88	102
CRJ-25EX	+10	74	118	124	124
	0	68	108	120	120
	-20	60	94	112	112
CRJ-40EX	+10	46	74	92	98
	0	42	66	84	94
	-20	36	58	74	88

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Selection

If you would like the experts at BN Thermic to select a pipe freeze protection system for you, please click below to access our enquiry form. Simply provide as much information as you have available and we will respond with a detailed proposal.

Enquiry Form

Cable Selection

Selection Table – Pipe Freeze Protection (based on a minimum ambient temperature of -20˚C and mineral wool insulation). Cable installed in a straight line.
Outside Pipe Diameter	Insulation Thickness (mm)
Outside Pipe Diameter	12	25	50
12mm ( ½” Pipe)	CRJM-11	CRJM-11	CRJM-11
25mm ( 1” Pipe)	CRJM-11	CRJM-11	CRJM-11
50mm (2” Pipe)	CRJM-17	CRJM-11	CRJM-11
75mm (3” Pipe)	CRJ-25EX	CRJM-17	CRJM-11
100mm (4” Pipe)	CRJ-40EX	CRJM-17	CRJM-11
150mm (6” Pipe)	—–	CRJ-25EX	CRJM-17
200mm (8” Pipe)	—–	CRJ-40EX	CRJM-17

Note: a frost thermostat is always recommended

Selection Table -Temperature Maintenance Protection (based on a minimum ambient temperature of -15˚C, carbon steel pipe and mineral wool insulation). Cable installed in a straight line.
Outside Pipe Diameter	Pipe Temperature	25mm Thick Insulation	50mm Thick Insulation
25mm (1” Pipe)	20°C	CRJ-25EX	CRJ-25EX
	30°C	CRJ-25EX	CRJ-25EX
	40°C	CRJ-40EX	CRJ-25EX
	50°C	—–	CRJ-40EX
50mm (2” Pipe)	20°C	CRJ-25EX	CRJ-25EX
	30°C	CRJ-40EX	CRJ-25EX
	40°C	—–	CRJ-40EX
	50°C	—–	CRJ-40EX
75mm (3” Pipe)	20°C	CRJ-25EX	CRJ-25EX
	30°C	CRJ-40EX	CRJ-40EX
	40°C	—–	CRJ-40EX
100mm (4” Pipe)	20°C	CRJ-40EX	CRJ-25EX
	30°C	—–	CRJ-40EX
	40°C	—–	CRJ-40EX

Important Notes – when selecting cable for temperature maintenance applications

Changes in selection parameters can affect cable selection. Please call BN Thermic to discuss cable selection for your project.

Additional pipe temperature control is always recommended

This selection table is designed to cover the more commonly encountered applications. If your requirements fall outside the limit of this table, please call BN Thermic.

Nominal output for cable installed on an insulated carbon steel pipe