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Introduction |
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| Tubular heaters are used for almost every kind of heating appliances.
They are easy to form and also feature highest mechanic stability and electric properties
at the same time. Even though tubular heaters are technically rather mature and universal to use,
there exist various new innovative solutions for many applications. Thus flexible heating pipes
(chapter 4.1) developed to be a new industry standard for the use in heating platens, welding bars and manifolds.
They might be an interesting alternative for you as well. |
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4.1 Flexible Heating Pipes |
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Square stainless steel heating pipes BASE-flex (1.4541) are a reliable industry standard for the use in heating platens and manifolds.
In contrast to traditional tubular heaters with a round section which have to be bent by machines, square BASE-flex can be fitted into any rectangular
groove by yourself. Moreover, the square shape results in a bigger heat emitting area of up to 80% compared with a corresponding round section. Finally,
the easy manual mounting saves the usually high technical expenditure for casting-in / soldering / cementing of bent round tubular heaters.
A soft version of the BASE-flex, the NICKEL-flex (2.4068) is available as special execution. Due to the soft, easy to form nickel material, the
NICKEL-flex is suitable for manual mounting in round sections, too. Furthermore, Nickel has a better capability to conduct heat compared with stainless steel. |
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| Available terminals: |
| Blade terminal 6,3 mm |
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Standard (from stock) |
On request: with screw bracket |
| Terminal pin |
Standard (from stock) |
On request: with porcelain holder |
| Threaded pin M3 / M4 |
Standard |
On request: with nut and washers |
| Leads |
On request |
On request: with protection sleeve |
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| Selection table length/power |
| Cross section |
4,5x4,5 mm ± 0,05
Ø 5,0 mm ± 0,10 |
6x6 mm ± 0,05
Ø 6,5 mm ± 0,10 |
8x8 mm ± 0,05
Ø 8,5 mm ± 0,15 |
| "flex"-Type |
BASE-flex
(NICKEL-flex) |
BASE-flex
(NICKEL-flex) |
BASE-flex
(NICKEL-flex) |
| min. bending radius |
12 mm |
15 mm |
20 mm |
| unheated length |
25 mm ±5 |
30 mm ±5 |
40 mm ±5 |
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Standard |
Standard
6x6 BASE-flex available from stock |
Standard |
| Total length [mm] |
Power [W] 230 V |
| 250 |
200 |
- |
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| 300 |
250 |
- |
- |
| 350 |
300 |
550 |
- |
| 400 |
350 |
650 |
- |
| 450 |
400 |
750 |
- |
| 500 |
450 |
800 |
- |
| 550 |
500 |
900 |
- |
| 600 |
550 |
1000 |
- |
| 650 |
600 |
1100 |
- |
| 700 |
650 |
1200 |
- |
| 750 |
700 |
1300 |
- |
| 800 |
750 |
1350 |
- |
| 850 |
800 |
1450 |
- |
| 900 |
850 |
1550 |
2100 |
| 950 |
900 |
1650 |
- |
| 1000 |
950 |
1750 |
2300 |
| 1050 |
- |
1850 |
- |
| 1100 |
- |
1950 |
2500 |
| 1150 |
- |
2050 |
- |
| 1200 |
- |
2100 |
2700 |
| 1250 |
- |
2200 |
- |
| 1300 |
- |
2300 |
2900 |
| 1350 |
- |
2400 |
- |
| 1400 |
- |
2500 |
3100 |
| 1450 |
- |
2600 |
- |
| 1500 |
- |
2700 |
3300 |
| 1550 |
- |
2800 |
- |
| 1600 |
- |
- |
3500 |
| 1700 |
- |
- |
3700 |
| 1800 |
- |
- |
3900 |
| 1900 |
- |
- |
4100 |
| 2000 |
- |
- |
4300 |
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| CONSTRUCTIVE SPECIFICATIONS AND TOLERANCES |
| Wattage |
+ 5% |
- 10% |
| Resistance |
- 5% |
+ 10% |
| Dielectric strength |
1500 |
V |
| Insulation (cold 1000 Vdc) |
> 10 |
MW |
| Leakage current (cold) |
< 0,5 |
mA |
| Maximum working temperature |
750 |
°C |
| Length tolerance |
± 5 |
mm |
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4.2 Tubular heaters round |
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| ROUND TUBULAR HEATERS are manufactured in length up to 4400 mm, straight or bend according to the
customers request. As standard connections faston plugs or pins (only Æ 8,5 mm) are available. Round tubular heaters are mainly used
for heating airflow or liquids. For fastening, clips can be fixed or the elements can be supplied with hexagon heads as well as flanges. |
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| Available dimensions |
| l 6,25 mm |
l 6,4 mm |
l 7,0 mm |
l 8,0 mm |
| l 8,5 mm |
l 10,0 mm |
l 10,2 mm |
l 11,0 mm |
| l 12,0 mm |
l 16,0 mm |
l 21,0 mm |
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| Available materials |
| 1.4306 AISI 304 L |
1.4401 AISI 316 L |
1.4541 AISI 321 |
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| 1.4876 Incoloy 800 |
2.4858 Incoloy 825 |
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| Kupfer |
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| Not each diametre/material combination possible. |
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4.3 Screw in tubular heater |
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SCREW IN TUBULAR HEATER are the standard solution for all heating processes with liquids or gas. The heater is installed in a tank or an air channel by the G1½" screw fitting. The connection head is IP44 proofed and contains depending on the type an
adjusting knob for the controller or/and the temperature fuse (with a manual reset). The tube sheath material 2.4858 is resistant to sulphite, phosphors and hydrochloride media. |
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| Type |
Wattage |
Features |
| CEL 60x |
2 - 9 KW |
without cover |
| CEL 61x |
2 - 9 KW |
with limiter |
| CEL 62x |
2 - 9 KW |
with controller |
| CEL 63x |
2 - 9 KW |
with controller and cut out |
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4.4 Finned heaters |
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| FINNED HEATERS are the ideal solution for air or gas flow heating processes. The ribs enlarge multiply the heat-emiting surface. |
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| Length A [mm] |
Wattage [W] |
Weight [kg] |
| 400 |
700 |
0,650 |
| 450 |
800 |
0,740 |
| 550 |
1000 |
0,900 |
| 650 |
1200 |
1,060 |
| 700 |
1300 |
1,150 |
| 800 |
1500 |
1,310 |
| 950 |
1800 |
1,550 |
| 1050 |
2000 |
1,720 |
| 1300 |
2500 |
2,130 |
| 1550 |
3000 |
2,530 |
| 1800 |
3500 |
2,940 |
| 2050 |
4000 |
3,350 |
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| Length A [mm] |
Wattage [W] |
Weight [kg] |
| 225 |
800 |
0,740 |
| 275 |
1000 |
0,900 |
| 325 |
1200 |
1,060 |
| 350 |
1300 |
1,150 |
| 400 |
1500 |
1,310 |
| 475 |
1800 |
1,550 |
| 525 |
2000 |
1,720 |
| 650 |
2500 |
2,130 |
| 775 |
3000 |
2,530 |
| 900 |
3500 |
2,940 |
| 1025 |
4000 |
3,350 |
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thread
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flange
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