| |
Keith designs and manufactures coiled resistance wire heating elements for virtually any make or model of furnace or kiln. In addition to heating elements, Keith provides a variety of heating element support systems to ensure long service life and proper furnace operation.
When you need the best quality, price, delivery, and technical support, call Keith first! Why?
1. Keith provides the highest quality wire elements and ceramic holders for virtually any furnace.
2. Our pricing is very competitive, and we offer volume discounts on large orders.
3. Emergency orders can often be shipped within 24 hours. Keith also offers just-in-time and blanket order programs to ensure you have replacement elements right when you need them.
4. Keith provides comprehensive heating element and furnace technical support services.
5. Our customer service people are among the friendliest and most helpful in the business.
To facilitate ordering the correct elements and holders, please provide as much of the requested information as possible.
If you would like to download a printable PDF version of this worksheet, click here.

STEP ONE - Element Type
Select the type of element that you need:
| Type A |
Wire coil only |

|
| Type B |
Wire coil wound around a ceramic support tube |

|
| Type C |
Wire coil wound in grooves in a flat element plate |

|
| Type D |
Wire coil wound in grooves in a round element plate |

| Note: Design details will be filled in below.
STEP TWO - Wire Element Data
- Has Keith supplied these elements for you previously?
- If the previous answer was "yes," what was your order date and PO number?
- How many elements do you need?
- If Keith has never supplied these specific wire heating elements for you before, please answer as many of the following technical questions as possible:
Technical Questions:
|
1 |
What is the maximum operating temperature of your furnace or kiln? |
|
2 |
What is the furnace supply voltage? (Volts and Hz) |
|
3 |
What is the number of phases connected to your furnace? (1 or 3) |
|
4 |
What is the supply current per phase? (Amps) |
|
5 |
What is the total connected heating power? (KW or KVA) |
|
6 |
What is the element voltage? (Volts) |
|
7 |
What is the element current? (Amps) |
|
8 |
What is the total number of elements in this furnace? |
|
9 |
How many elements are connected in series? |
|
10 |
How many parallel branches of elements? |
|
11 |
What is the wire gauge of the element, if known? |
|
12 |
How long is the element tail (terminal end)? |
|
13 |
Is the element tail (terminal end) Single, Double, or Triple stranded? |
|
14 |
If the element tail is Single, please descibe the terminal end. |
|
15 |
What is the outside diameter of the coiled wire element? |
|
16 |
What is the overall stretched length of the element wire coil? |
|
17 |
Is the element installed on a ceramic tube or in a grooved furnace wall? |
|
18 |
If installed on a ceramic tube, what is the outside tube diameter and overall tube length? |
|
19 |
How many ceramic tubes are used per element? |
|
20 |
If element is installed in groove what is the groove diameter and groove length? |
|
21 |
How many grooves are filled by each element? |
If you need help with any of these questions, contact a Keith specialist for immediate assistance.
STEP THREE - Ceramic Holder Data
Provide some information on the type of ceramic element holders you need:
For Type B Ceramic Holders:
|

Type B Holder - Element and tube only
|

Type B Holder - With open grooved tube support
|
|
1 |
What is the overall tube length? |
|
2 |
What is the tube outside diameter? |
|
3 |
How many tubes do you need? |
|
4 |
Do you need open grooved tube supports? |
|
5 |
How many tube supports do you need? |
For Type C Ceramic Holders:
Type C Holder
Three elements are wound into this flat ceramic element plate. |

|
|
1 |
What is the ceramic plate width? |
|
2 |
What is the ceramic plate length? |
|
3 |
What is the ceramic plate thickness? |
|
4 |
How many elements are in the ceramic plate? |
|
5 |
How many ceramic plates do you need? | For Type D Ceramic Holders:
Type D Holder
One element is wound into this 1/2 round ceramic element plate. |

|
|
1 |
How many plates make a complete cylinder? |
|
2 |
What is the cylinder inside diameter? |
|
3 |
What is the cylinder outside diameter? |
|
4 |
How many elements are in each round plate? |
|
5 |
How many round ceramic plates do you need? |
If you need any help answering these questions, contact a Keith specialist for immediate assistance. |