Endings

Endings T1: Base Ending

Durawatt Compressed Cartridge Heaters. base Ending Ref. "T1"

The cartridge is fully compressed, with a heat-resistant ceramic paste which seals the lead entry. The remaining cartridges are made from this base.

Cartridge Heater T1
Cartridge Heater T2
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 1"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750" 1.000"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744 0.992
B (inches) 0.197+1%L 0.197+1%L 0.276+1%L 0.394+1%L 0.591+1%L 0.591+1%L 0.787+1%L
L (inches)
minimum
maximum
0.984
236.220
F (inches)
Standard
Customer
9.843
A Ø Diameter (mm) 6.5 8 10 12.5 16 20 25
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94 24.94
B (mm) 5+1%L 5+1%L 7+1%L 10+1%L 15+1%L 15+1%L 20+1%L
L (mm)
minimum
maximum
25
6000
F (mm)
Standard
Customer
250

Endings T2: Soap Stone End Cap

Durawatt Compressed Cartridge Heaters. Ceramic End Cap. Ref. "T2"

Cartridge with one ceramic end cap which exits out. It is 3mm to 6mm long, depending on the diameter of the cartridge diameter. It seperates the connection of the wire with the tube, therefore giving more strength to the cable exit.

Cartridge Heater T2
Cartridge Heater T2
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 1"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750" 1.000"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744 0.992
B (inches) 0.197+1%L 0.197+1%L 0.276+1%L 0.394+1%L 0.591+1%L 0.591+1%L 0.787+1%L
E (inches) 0.098 0.098 0.098 0.098 0.118 0.118 0.118
L (inches)
minimum
maximum
0.984
236.220
F (inches)
Standard
Customer
9.843
A Ø Diameter (mm) 6.5 8 10 12.5 16 20 25
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94 24.94
B (mm) 5+1%L 5+1%L 7+1%L 10+1%L 15+1%L 15+1%L 20+1%L
E (mm) 2.5 2.5 2.5 2.5 3 3 3
L (mm)
minimum
maximum
25
6000
F (mm)
Standard
Customer
250

Endings T3: Electrical Block Exit

Durawatt Compressed Cartridge Heaters. Electrical Connector Ref “T3”

Cartridge with a Steatite Ceramic Block. Allows you to change the leads inhouse.

Cartridge Heater T3
Cartridge Heater T3
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 1"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750" 1.000"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744 0.992
B (inches) 0.197+1%L 0.197+1%L 0.276+1%L 0.394+1%L 0.591+1%L 0.591+1%L 0.787+1%L
C (inches) 0.68 0.68 0.68 0.70 0.70 0.70 1.32
L (inches)
minimum
maximum
0.984
236.220
A Ø Diameter (mm) 6.5 8 10 12.5 16 20 25
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94 24.94
B (mm) 5+1%L 5+1%L 7+1%L 10+1%L 15+1%L 15+1%L 20+1%L
C (mm) 17.25 17.25 17.25 17.80 17.80 17.80 33.60
L (mm)
minimum
maximum
25
6000

Endings T4: Metric Threaded Terminals.

Durawatt Compressed Cartridge Heaters. Metric Threaded Terminals Ref. "T4"

Cartridge with stainless steel metric terminals. Useful for quick change of wires.

Cartridge Heater T4
Cartridge Heater T4
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 1"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750" 1.000"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744 0.992
B (inches) 0.197+1%L 0.197+1%L 0.276+1%L 0.394+1%L 0.591+1%L 0.591+1%L 0.787+1%L
L (inches)
minimum
maximum
0.984
236.220
M (inches) M3 M3/M4 M3/M4 M4/M5 M5/M6 M5/M6 M6/M8
A Ø Diameter (mm) 6.5 8 10 12.5 16 20 25
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94 24.94
B (mm) 5+1%L 5+1%L 7+1%L 10+1%L 15+1%L 15+1%L 20+1%L
L (mm)
minimum
maximum
25
6000
M (mm) M3 M3/M4 M3/M4 M4/M5 M5/M6 M5/M6 M6/M8

Endings T5: Earth Return Lead Exit.

Durawatt Compressed Cartridge Heaters. Earth Return Lead. Ref. "T5"

Cartridge with a earth return glass fibre cable for low voltage use.

Cartridge Heater T5
Cartridge Heater T5
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 1"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750" 1.000"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744 0.992
B (inches) 0.197+1%L 0.315+1%L 0.394+1%L 0.462+1%L 0.630+1%L 0.787+1%L 0.984+1%L
L (inches)
minimum
maximum
0.984
236.220
F (inches)
Standard
Customer
9.843
A Ø Diameter (mm) 6.5 8 10 12.5 16 20 25
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94 24.94
B (mm) 5+1%L 5+1%L 7+1%L 10+1%L 15+1%L 15+1%L 20+1%L
L (mm)
minimum
maximum
25
6000
F (mm)
Standard
Customer
250

Endings T6: Earth Return Threaded Terminal exit.

Durawatt Compressed Cartridge Heaters. Earth Return Threaded Terminal Ref. "T6"

Cartridge with a Metric Earth Return Terminal for a quick cable extraction.

Cartridge Heater T6
Cartridge Heater T6
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 1"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750" 1.000"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744 0.992
B (inches) 0.197+1%L 0.197+1%L 0.276+1%L 0.394+1%L 0.591+1%L 0.591+1%L 0.787+1%L
L (inches)
minimum
maximum
0.984
236.220
M M3 M3/M4 M3/M4 M4/M5 M5/M6 M5/M6 M6/M8
A Ø Diameter (mm) 6.5 8 10 12.5 16 20 25
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94 24.94
B (mm) 5+1%L 5+1%L 7+1%L 10+1%L 15+1%L 15+1%L 20+1%L
L (mm)
minimum
maximum
25
6000
M M3 M3/M4 M3/M4 M4/M5 M5/M6 M5/M6 M6/M8

Endings T7: Washer / Stopper

Durawatt Compressed Cartridge - Including a Washer / Stopper Ref. "T7a"

Fully compressed and reinforced cartridge. Ready for fastening the object to be heated. Ideal for areas with vibration and movement.

Cartridge Heater T7
Cartridge Heater T7
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 1"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750" 1.000"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744 0.992
B (inches) 0.197+1%L 0.197+1%L 0.276+1%L 0.394+1%L 0.591+1%L 0.591+1%L 0.787+1%L
C (inches) 0.512 0.512 0.787 0.787 1.008 1.008 1.299
D (inches) 0.126 0.126 0.126 0.126 0.165 0.165 0.205
E (inches) 0.0394 to 0.0472 0.0394 to 0.0472 0.0394 to 0.0472 0.0394 to 0.0472 0.0394 to 0.0472 0.0591 to 0.0787 0.0591 to 0.0787
H (inches) 0.709 0.709 1.063 1.063 1.299 1.299 1.614
L (inches)
minimum
maximum
0.984
236.220
F (inches)
Standard
Customer
9.843
A Ø Diameter (mm) 6.5 8 10 12.5 16 20 25
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94 24.94
B (mm) 5+1%L 5+1%L 7+1%L 10+1%L 15+1%L 15+1%L 20+1%L
C (mm) 13 13 20 20 25.6 25.6 33
D (mm) 3.2 3.2 3.2 3.2 4.2 4.2 5.2
E (mm) 1 to 1.2 1 to 1.2 1 to 1.2 1.2 to 1.5 1.2 to 1.5 1.5 to 2 1.5 to 2
H (mm) 18 18 27 27 33 33 41
L (mm)
minimum
maximum
25
6000
F (mm)
Standard
Customer
250

Endings T7B: Extraction Tag / Stopper

Durawatt Compressed Cartridge Heaters. Extraction Tag / Stopper Ref. "T7b"

Fully compressed and reinforced cartridge. Ready for fastening the object to be heated. Ideal for areas with vibration and movement.

Cartridge Heater T7B
Cartridge Heater T7B
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744
B (inches) 0.197+1%L 0.197+1%L 0.276+1%L 0.394+1%L 0.591+1%L 0.591+1%L
C (inches) 0.256 0.354 0.354 0.394 0.433 0.512
Ø D (inches) 0.126 0.165 0.165 0.205 0.205 0.244
E (inches) 0.089 0.079 0.079 0.059 0.079 0.079
G (inches) 0.130 0.177 0.177 0.197 0.217 0.256
H (inches) 0.384 0.512 0.551 0.640 0.748 0.906
I (inches) 0.256 0.315 0.374 0.394 0.472 0.709
L (inches)
minimum
maximum
0.984
236.220
F (inches)
Standard
Customer
9.843
A Ø Diameter (mm) 6.5 8 10 12.5 16 20
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94
B (mm) 5+1%L 5+1%L 7+1%L 10+1%L 15+1%L 15+1%L
C (mm) 6.5 9 9 10 11 13
Ø D (mm) 3.2 4.2 4.2 5.2 5.2 6.2
E (mm) 2 2 2 2 2 2
G (mm) 3.3 4.5 4.5 5 5.5 6.5
H (mm) 9.75 13 14 16.25 19 23
I (mm) 6.5 8 9.5 10 12 18
L (mm)
minimum
maximum
25
6000
F (mm)
Standard
Customer
250

Endings T8: Threaded Heads.

Durawatt compressed cartridge heaters. Threaded Heads. Ref. "T8"

Full water resistant and reinforced cartridge. Ready for removals by means of a threaded head if the cartridge becomes dislodged. Ideal for areas where pressure and fluids are watertight. The finish Ref.T8 is indicated for heating for areas with internal pressure (oil tanks, water, glues, plastics) or deflagration.

Cartridge Heater T8
Cartridge Heater T8
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744
B (inches) E+1%L E+1%L E+1%L E+1%L E+1%L E+1%L
C (inches) 0.157 0.157 0.157 0.157 0.157 0.157
D (inches) 0.472 0.551 0.669 0.748 0.945 1.063
E (inches) 0.394 0.394 0.472 0.472 0.551 0.551
G (inches) 1/8" 1/4" 1/4" 3/8" 1/2" 3/4"
L (inches)
minimum
maximum
0.984
236.22
F (inches)
Standard
Customer
9.843
A Ø Diameter (mm) 6.5 8 10 12.5 16 20
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94
B (mm) E+1%L E+1%L E+1%L E+1%L E+1%L E+1%L
C (mm) 4 4 4 4 4.0 4.0
D (mm) 12 14 17 19 24 27
E (mm) 10 10 12 12 14 14
G (mm) M10 M12 M14 M16 M20 M26
L (mm)
minimum
maximum
25
6000
F (mm)
Standard
Customer
250

Endings T9: Stainless Block with 90º exit.

Durawatt Compressed Cartridge Heaters with S/S Block - 90º Exit Ref. "T8"

Water resistant and robust. Ready for removal from its bore housing. With tensile strength which prevents deformation in case of displacement of the shape. The finish T9 can be used in any hostile situation (high temperatures, waste material).

Cartridge Heater T9
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 1"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750" 1.000"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744 0.992
B (inches) 0.197+1%L 0.197+1%L 0.276+1%L 0.394+1%L 0.591+1%L 0.591+1%L 0.787+1%L
C (inches) 0.315 0.394 0.472 0.591 0.709 0.984 1.181
Ø D Tube 0.256 0.315 0.394 0.484 0.563 0.709 0.787
L (inches)
minimum
maximum
0.984
236.22
F (inches)
Standard
Customer
9.843
A Ø Diameter (mm) 6.5 8 10 12.5 16 20 25
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94 24.94
B (mm) 5+1%L 5+1%L 7+1%L 10+1%L 15+1%L 15+1%L 20+1%L
C (mm) 8 10 12 15 18 25 30
Ø D (mm) 6.5 8 10 12.3 14.3 18 20
L (mm)
minimum
maximum
25
6000
F (mm)
Standard
Customer
250

Cartridge Heaters outputs 90º base. Ref: T9 Base.

Cartridge Heater T9B
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 1"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750" 1.000"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744 0.992
B (inches) 0.71+1%L 0.71+1%L 0.79+1%L 0.87+1%L 0.96+1%L 1.10+1%L 1.26+1%L
L (inches)
minimum
maximum
0.984
236.22
F (inches)
Standard
Customer
9.843
A Ø Diameter (mm) 6.5 8 10 12.5 16 20 25
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94 24.94
B (mm) 17+1%L 18+1%L 20+1%L 22+1%L 24.5+1%L 28+1%L 32+1%L
L (mm)
minimum
maximum
25
6000
F (mm)
Standard
Customer
250

Cartridge heaters Elbow Exit. Ref: T9 Elbow.

Cartridge Heater T9B
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744
B (inches) 0.197+1%L 0.197+1%L 0.276+1%L 0.394+1%L 0.591+1%L 0.591+1%L
C (inches) 0.559 0.591 0.748 0.858 0.980 1.366
Ø D Tube 0.236 0.315 0.394 0.472 0.591 0.787
E (inches) 0.236 0.236 0.276 0.295 0.315 0.472
G (inches) 0.614 0.748 0.969 1.063 1.228 1.602
Ø H (inches) 0.283 0.402 0.472 0.551 0.705 0.902
L (inches)
minimum
maximum
0.984
236.22
F (inches)
Standard
Customer
9.843
A Ø Diameter (mm) 6.5 8 10 12.5 16 20
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94
B (mm) 5+1%L 5+1%L 7+1%L 10+1%L 15+1%L 15+1%L
C (mm) 14.20 15.00 19.00 21.80 24.00 34.70
Ø D Tube 6 8 10 12 15 20
E (mm) 6 6 7 8 8 12
G (mm) 15.60 19.00 24.60 27.00 31.20 40.70
Ø H (mm) 7.20 10.20 12.00 14.00 17.90 22.90
L (mm)
minimum
maximum
25
6000
F (mm)
Standard
Customer
250

Cartridge heaters outputs 90º protection base. Ref: T9.

Cartridge Heater T9B
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 1"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750" 1.000"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744 0.992
B (inches) 0.7+1%L 0.71+1%L 0.79+1%L 0.87+1%L 0.96+1%L 1.10+1%L 1.26+1%L
Ø D Tube 0.197 0.236 0.315 0.394 0.492 0.630 0.787
L (inches)
minimum
maximum
0.984
236.22
F (inches)
Standard
Customer
9.843
A Ø Diameter (mm) 6.5 8 10 12.5 16 20 25
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94 24.94
B (mm) 17+1%L 18+1%L 20+1%L 22+1%L 24.5+1%L 28+1%L 32+1%L
Ø D Tube 5 6 8 10 12.5 16 20
L (mm)
minimum
maximum
25
6000
F (mm)
Standard
Customer
250

Special cartridge heaters. smelting of non-ferrus metals. Ref: T9 Stock.

Stock of high density cartridges heaters, especially for smelting of non-ferrous metals.

Cartridge Heater T9B
A Ø Diameter (in) 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 1"
Diameter nominal 0.250" 0.313" 0.375" 0.500" 0.625" 0.750" 1.000"
H7 minimum 0.248 0.310 0.372 0.496 0.620 0.744 0.992
B (inches) 0.7+1%L 0.79+1%L 0.87+1%L 0.96+1%L 1.10+1%L 1.26+1%L 1.46+1%L
Ø D Tube 0.248 0.315 0.394 0.492 0.630 0.787 0.984
L (inches)
minimum
maximum
0.984
236.22
F (inches)
Standard
Customer
9.843
A Ø Diameter (mm) 6.5 8 10 12.5 16 20 25
Diameter nominal
H7 minimum
6.44 7.94 9.94 12.44 15.94 19.94 24.94
B (mm) 19+1%L 20+1%L 22+1%L 25+1%L 28.0+1%L 32+1%L 37+1%L
Ø D Tube 6.5 8 10 12.5 16 20 25
L (mm )
minimum
maximum
25
6000
F (mm)
Standard
Customer
250