Fittings for vacuum or high pressure gas and liquid use are silver brazed or TIG welded. Method will vary by material and application. Fittings in table are most commonly used. Special fittings can be made to meet your application requirements.
Standard fitting location is with threads flush at the end of the element sheath as shown below. For other locations specify distance from end of sheath.
| Tubular Diameter |
FittingMaterial |
Flange Type |
“A” |
“B” |
“C” |
ThreadSize |
| in |
mm |
in |
mm |
in |
mm |
in |
mm |
(UNF) |
| .260 |
6.6 |
Brass |
Round |
3/4 |
19 |
1/2 |
12.7 |
5/8 |
16 |
1/2-20 |
| .260 |
6.6 |
Stn. Stl. |
Round |
3/4 |
19 |
1/2 |
12.7 |
5/8 |
16 |
1/2-20 |
| .315 |
8.0 |
Brass |
Round |
3/4 |
19 |
1/2 |
12.7 |
5/8 |
16 |
1/2-20 |
| .315 |
8.0 |
Stn. Stl. |
Round |
3/4 |
19 |
1/2 |
12.7 |
5/8 |
16 |
1/2-20 |
| .375 |
9.5 |
Brass |
Round |
3/4 |
19 |
1/2 |
12.7 |
5/8 |
16 |
1/2-20 |
| .375 |
9.5 |
Stn. Stl. |
Round |
3/4 |
19 |
1/2 |
12.7 |
5/8 |
16 |
1/2-20 |
| .430 |
10.9 |
Brass |
Round or Hex |
7/8 |
22 |
3/4 |
19.0 |
7/8 |
22 |
5/8-18 |
| .430 |
10.9 |
Stn. Stl. |
Round or Hex |
7/8 |
22 |
3/4 |
19.0 |
7/8 |
22 |
5/8-18 |
| .430 |
10.9 |
Steel |
Round |
7/8 |
22 |
3/4 |
19.0 |
7/8 |
22 |
5/8-18 |
| .475 |
12.1 |
Brass |
Round |
7/8 |
22 |
3/4 |
19.0 |
7/8 |
22 |
5/8-18 |
| .475 |
12.1 |
Stn. Stl. |
Round |
7/8 |
22 |
3/4 |
19.0 |
7/8 |
22 |
5/8-18 |
| .475 |
12.1 |
Steel |
Round |
7/8 |
22 |
3/4 |
19.0 |
7/8 |
22 |
5/8-18 |
| .475 |
12.1 |
Brass |
Round |
1 |
25 |
3/4 |
19.0 |
7/8 |
22 |
3/4-16 |
| .475 |
12.1 |
Stn. Stl. |
Round |
1 |
25 |
3/4 |
19.0 |
7/8 |
22 |
3/4-16 |
| .625 |
15.9 |
Stn. Stl. |
Round |
1-1/8 |
29 |
3/4 |
19.0 |
1 |
25 |
7/8-14 |
| Optional Larger Thread Sizes and Hex Flanged Bulkhead Fittings are available. Consult Tempco with your requirements |
Do not locate the fitting over the
heated section of the element.