The TGA consists of two ceramic fiber washers, one steel washer, and a spring.

The TGA is used as an alternative to packing ceramic fiber insulation around the Starbar cold end. Ceramic fiber insulation is often used at the cold face of the furnace to help reduce furnace energy losses.

There are advantages to using the TGA rather than packing ceramic fiber insulation around the Starbar. Because the TGA is spring-loaded it allows the Starbar freedom of movement. If ceramic fiber is packed too tightly it can cause tremendous physical stresses to be exerted to the Starbars, possibly leading to failures due to breakage. Freedom of movement is important because there is movement between the Starbars and the furnace walls created by different thermal expansion rates.

Installing of TGA is also quicker than packing with ceramic fiber.

Neither of these methods are intended to be an atmosphere seal. It is to help reduce radiant energy losses, and to a smaller degree some convection heat losses.

There are two free spring lengths, 1 inch (25 mm) and 3 inches (75 mm). The last digit of the part number is used to call out the free spring length.

Category:

Sizing Breakdown

Item #Item NameStarbar DiameterSteel Washer IDSteel Washer ODCeramic Fiber Washer IDCeramic Fiber Washer ODFree Spring Length
TGA-10-1Terminal Gasket Assembly0.38 Inch
10 mm
0.44 Inch
11 mm
1.00 Inch
25 mm
0.38 Inch
9.5 mm
1.25 Inch
32 mm
1 Inch
25 mm
TGA-11-1Terminal Gasket Assembly0.44 Inch
11 mm
0.50 Inch
13 mm
1.25 Inch
32 mm
0.44 Inch
11 mm
1.50 Inch
38 mm
1 Inch
25 mm
TGA-13-1Terminal Gasket Assembly0.50 Inch
13 mm
0.56 Inch
14 mm
1.25 Inch
32 mm
0.50 Inch
13 mm
1.50 Inch
38 mm
1 Inch
25 mm
TGA-16-1Terminal Gasket Assembly0.63 Inch
16 mm
0.65 Inch
17 mm
1.38 Inch
35 mm
0.63 Inch
16 mm
1.88 Inch
45 mm
1 Inch
25 mm
TGA-19-1Terminal Gasket Assembly0.75 Inch
19 mm
0.78 Inch
20 mm
1.50 Inch
38 mm
0.75 Inch
19 mm
2.00 Inch
51 mm
1 Inch
25 mm
TGA-25-1Terminal Gasket Assembly1.00 Inch
25 mm
1.06 Inch
27 mm
2.00 Inch
51 mm
1.00 Inch
25 mm
2.50 Inch
64 mm
1 Inch
25 mm
TGA-32-1Terminal Gasket Assembly1.25 Inch
32 mm
1.31 Inch
33 mm
2.75 Inch
70 mm
1.18 Inch
30 mm
3.25 Inch
83 mm
1 Inch
25 mm
TGA-35-1Terminal Gasket Assembly1.38 Inch
35 mm
1.44 Inch
36 mm
2.75 Inch
70 mm
1.38 Inch
35 mm
3.25 Inch
83 mm
1 Inch
25 mm
TGA-38-1Terminal Gasket Assembly1.50 Inch
38 mm
1.56 Inch
40 mm
2.75 Inch
70 mm
1.44 Inch
37 mm
3.25 Inch
83 mm
1 Inch
25 mm
TGA-44-1Terminal Gasket Assembly1.75 Inch
44 mm
1.88 Inch
47 mm
3.25 Inch
83 mm
1.69 Inch
43 mm
3.75 Inch
95 mm
1 Inch
25 mm
TGA-54-1Terminal Gasket Assembly2.12 Inch
54 mm
2.22 Inch
56 mm
3.50 Inch
89 mm
2.00 Inch
51 mm
4.00 Inch
101 mm
1 Inch
25 mm
TGA-64-1Terminal Gasket Assembly2.50 Inch
64 mm
2.50 Inch
63 mm
4.12 Inch
105 mm
2.50 Inch
63 mm
4.50 Inch
114 mm
1 Inch
25 mm
TGA-70-1Terminal Gasket Assembly2.75 Inch
70 mm
2.88 Inch
73 mm
4.12 Inch
105 mm
2.75 Inch
70 mm
4.50 Inch
114 mm
1 Inch
25 mm
TGA-10-3Terminal Gasket Assembly0.38 Inch
10 mm
0.44 Inch
11 mm
1.00 Inch
25 mm
0.38 Inch
9.5 mm
1.25 Inch
32 mm
3 Inch
75 mm
TGA-11-3Terminal Gasket Assembly0.44 Inch
11 mm
0.50 Inch
13 mm
1.25 Inch
32 mm
0.44 Inch
11 mm
1.50 Inch
38 mm
3 Inch
75 mm
TGA-13-3Terminal Gasket Assembly0.50 Inch
13 mm
0.56 Inch
14 mm
1.25 Inch
32 mm
0.50 Inch
13 mm
1.50 Inch
38 mm
3 Inch
75 mm
TGA-16-3Terminal Gasket Assembly0.63 Inch
16 mm
0.65 Inch
17 mm
1.38 Inch
35 mm
0.63 Inch
16 mm
1.88 Inch
45 mm
3 Inch
75 mm
TGA-19-3Terminal Gasket Assembly0.75 Inch
19 mm
0.78 Inch
20 mm
1.50 Inch
38 mm
0.75 Inch
19 mm
2.00 Inch
51 mm
3 Inch
75 mm
TGA-25-3Terminal Gasket Assembly1.00 Inch
25 mm
1.06 Inch
27 mm
2.00 Inch
51 mm
1.00 Inch
25 mm
2.50 Inch
64 mm
3 Inch
75 mm
TGA-32-3Terminal Gasket Assembly1.25 Inch
32 mm
1.31 Inch
33 mm
2.75 Inch
70 mm
1.18 Inch
30 mm
3.25 Inch
83 mm
3 Inch
75 mm
TGA-35-3Terminal Gasket Assembly1.38 Inch
35 mm
1.44 Inch
36 mm
2.75 Inch
70 mm
1.38 Inch
35 mm
3.25 Inch
83 mm
3 Inch
75 mm
TGA-38-3Terminal Gasket Assembly1.50 Inch
38 mm
1.56 Inch
40 mm
2.75 Inch
70 mm
1.44 Inch
37 mm
3.25 Inch
83 mm
3 Inch
75 mm
TGA-44-3Terminal Gasket Assembly1.75 Inch
44 mm
1.88 Inch
47 mm
3.25 Inch
83 mm
1.69 Inch
43 mm
3.75 Inch
95 mm
3 Inch
75 mm
TGA-54-3Terminal Gasket Assembly2.12 Inch
54 mm
2.22 Inch
56 mm
3.50 Inch
89 mm
2.00 Inch
51 mm
4.00 Inch
101 mm
3 Inch
75 mm
TGA-64-3Terminal Gasket Assembly2.50 Inch
64 mm
2.50 Inch
63 mm
4.12 Inch
105 mm
2.50 Inch
63 mm
4.50 Inch
114 mm
3 Inch
75 mm
TGA-70-3Terminal Gasket Assembly2.75 Inch
70 mm
2.88 Inch
73 mm
4.12 Inch
105 mm
2.75 Inch
70 mm
4.50 Inch
114 mm
3 Inch
75 mm
TW-10Steel Washer0.38 Inch
10 mm
0.44 Inch
11 mm
1.00 Inch
25 mm
N/AN/AN/A
TW-11Steel Washer0.44 Inch
11 mm
0.50 Inch
13 mm
1.25 Inch
32 mm
N/AN/AN/A
TW-13Steel Washer0.50 Inch
13 mm
0.56 Inch
14 mm
1.25 Inch
32 mm
N/AN/AN/A
TW-16Steel Washer0.63 Inch
16 mm
0.65 Inch
17 mm
1.38 Inch
35 mm
N/AN/AN/A
TW-19Steel Washer0.75 Inch
19 mm
0.78 Inch
20 mm
1.50 Inch
38 mm
N/AN/AN/A
TW-25Steel Washer1.00 Inch
25 mm
1.06 Inch
27 mm
2.00 Inch
51 mm
N/AN/AN/A
TW-32Steel Washer1.25 Inch
32 mm
1.31 Inch
33 mm
2.75 Inch
70 mm
N/AN/AN/A
TW-35Steel Washer1.38 Inch
35 mm
1.44 Inch
36 mm
2.75 Inch
70 mm
N/AN/AN/A
TW-38Steel Washer1.50 Inch
38 mm
1.56 Inch
40 mm
2.75 Inch
70 mm
N/AN/AN/A
TW-44Steel Washer1.75 Inch
44 mm
1.88 Inch
47 mm
3.25 Inch
83 mm
N/AN/AN/A
TW-54Steel Washer2.12 Inch
54 mm
2.22 Inch
56 mm
3.50 Inch
89 mm
N/AN/AN/A
TW-64Steel Washer2.50 Inch
64 mm
2.50 Inch
63 mm
4.12 Inch
105 mm
N/AN/AN/A
TW-70Steel Washer2.75 Inch
70 mm
2.88 Inch
73 mm
4.12 Inch
105 mm
N/AN/AN/A
TG-10Ceramic Fiber Washer0.38 Inch
10 mm
N/AN/A0.38 Inch
9.5 mm
1.25 Inch
32 mm
N/A
TG-11Ceramic Fiber Washer0.44 Inch
11 mm
N/AN/A0.44 Inch
11 mm
1.50 Inch
38 mm
N/A
TG-13Ceramic Fiber Washer0.50 Inch
13 mm
N/AN/A0.50 Inch
13 mm
1.50 Inch
38 mm
N/A
TG-16Ceramic Fiber Washer0.63 Inch
16 mm
N/AN/A0.63 Inch
16 mm
1.88 Inch
45 mm
N/A
TG-19Ceramic Fiber Washer0.75 Inch
19 mm
N/AN/A0.75 Inch
19 mm
2.00 Inch
51 mm
N/A
TG-25Ceramic Fiber Washer1.00 Inch
25 mm
N/AN/A1.00 Inch
25 mm
2.50 Inch
64 mm
N/A
TG-32Ceramic Fiber Washer1.25 Inch
32 mm
N/AN/A1.18 Inch
30 mm
3.25 Inch
83 mm
N/A
TG-35Ceramic Fiber Washer1.38 Inch
35 mm
N/AN/A1.38 Inch
35 mm
3.25 Inch
83 mm
N/A
TG-38Ceramic Fiber Washer1.50 Inch
38 mm
N/AN/A1.44 Inch
37 mm
3.25 Inch
83 mm
N/A
TG-44Ceramic Fiber Washer1.75 Inch
44 mm
N/AN/A1.69 Inch
43 mm
3.75 Inch
95 mm
N/A
TG-54Ceramic Fiber Washer2.12 Inch
54 mm
N/AN/A2.00 Inch
51 mm
4.00 Inch
101 mm
N/A
TG-64Ceramic Fiber Washer2.50 Inch
64 mm
N/AN/A2.50 Inch
63 mm
4.50 Inch
114 mm
N/A
TG-70Ceramic Fiber Washer2.75 Inch
70 mm
N/AN/A2.75 Inch
70 mm
4.50 Inch
114 mm
N/A
TS-10-1Springs w/ Free Spring Length0.38 Inch
10 mm
N/AN/AN/AN/A1 Inch
25 mm
TS-11-1Springs w/ Free Spring Length0.44 Inch
11 mm
N/AN/AN/AN/A1 Inch
25 mm
TS-13-1Springs w/ Free Spring Length0.50 Inch
13 mm
N/AN/AN/AN/A1 Inch
25 mm
TS-16-1Springs w/ Free Spring Length0.63 Inch
16 mm
N/AN/AN/AN/A1 Inch
25 mm
TS-19-1Springs w/ Free Spring Length0.75 Inch
19 mm
N/AN/AN/AN/A1 Inch
25 mm
TS-25-1Springs w/ Free Spring Length1.00 Inch
25 mm
N/AN/AN/AN/A1 Inch
25 mm
TS-32-1Springs w/ Free Spring Length1.25 Inch
32 mm
N/AN/AN/AN/A1 Inch
25 mm
TS-35-1Springs w/ Free Spring Length1.38 Inch
35 mm
N/AN/AN/AN/A1 Inch
25 mm
TS-38-1Springs w/ Free Spring Length1.50 Inch
38 mm
N/AN/AN/AN/A1 Inch
25 mm
TS-44-1Springs w/ Free Spring Length1.75 Inch
44 mm
N/AN/AN/AN/A1 Inch
25 mm
TS-54-1Springs w/ Free Spring Length2.12 Inch
54 mm
N/AN/AN/AN/A1 Inch
25 mm
TS-64-1Springs w/ Free Spring Length2.50 Inch
64 mm
N/AN/AN/AN/A1 Inch
25 mm
TS-70-1Springs w/ Free Spring Length2.75 Inch
70 mm
N/AN/AN/AN/A1 Inch
25 mm
TS-10-3Springs w/ Free Spring Length0.38 Inch
10 mm
N/AN/AN/AN/A3 Inch
75 mm
TS-11-3Springs w/ Free Spring Length0.44 Inch
11 mm
N/AN/AN/AN/A3 Inch
75 mm
TS-13-3Springs w/ Free Spring Length0.50 Inch
13 mm
N/AN/AN/AN/A3 Inch
75 mm
TS-16-3Springs w/ Free Spring Length0.63 Inch
16 mm
N/AN/AN/AN/A3 Inch
75 mm
TS-19-3Springs w/ Free Spring Length0.75 Inch
19 mm
N/AN/AN/AN/A3 Inch
75 mm
TS-25-3Springs w/ Free Spring Length 1.00 Inch
25 mm
N/AN/AN/AN/A3 Inch
75 mm
TS-32-3Springs w/ Free Spring Length1.25 Inch
32 mm
N/AN/AN/AN/A3 Inch
75 mm
TS-35-3Springs w/ Free Spring Length1.38 Inch
35 mm
N/AN/AN/AN/A3 Inch
75 mm
TS-38-3Springs w/ Free Spring Length1.50 Inch
38 mm
N/AN/AN/AN/A3 Inch
75 mm
TS-44-3Springs w/ Free Spring Length1.75 Inch
44 mm
N/AN/AN/AN/A3 Inch
75 mm
TS-54-3Springs w/ Free Spring Length2.12 Inch
54 mm
N/AN/AN/AN/A3 Inch
75 mm
TS-64-3Springs w/ Free Spring Length2.50 Inch
64 mm
N/AN/AN/AN/A3 Inch
75 mm
TS-70-3Springs w/ Free Spring Length2.75 Inch
70 mm
N/AN/AN/AN/A3 Inch
75 mm

Terminal Gasket Assembly Chart

Starbar Diameter * Part Number Steel Washer ID Steel Washer OD Ceramic Fiber Washer ID Ceramic Fiber Washer OD
MM Inch   MM Inch MM Inch MM Inch MM Inch
10 0.38 TGA-10-_ 11 0.44 25 1.00 9.5 0.38 32 1.25
11 0.44 TGA-11-_ 13 0.50 32 1.25 11 0.44 38 1.50
13 0.50 TGA-13-_ 14 0.56 32 1.25 13 0.50 38 1.50
16 0.63 TGA-16-_ 17 0.65 35 1.38 16 0.63 45 1.88
19 0.75 TGA-19-_ 20 0.78 38 1.50 19 0.75 51 2.00
25 1.00 TGA-25-_ 27 1.06 51 2.00 25 1.00 64 2.50
32 1.25 TGA-32-_ 33 1.31 70 2.75 30 1.18 83 3.25
35 1.38 TGA-35-_ 36 1.44 70 2.75 35 1.38 83 3.25
38 1.50 TGA-38-_ 40 1.56 70 2.75 37 1.44 83 3.25
44 1.75 TGA-44-_ 47 1.88 83 3.25 43 1.69 95 3.75
54 2.12 TGA-54-_ 56 2.22 89 3.50 51 2.00 101 4.00
64 2.50 TGA-64_ 63 2.50 105 4.12 63 2.50 114 4.50
70 2.75 TGA-70-_ 73 2.88 105 4.12 70 2.75 114 4.50
For All TGA: MM Inch  
Free Spring Length 25 or 75 1 or 3
Ceramic Fiber Washer Thickness Approx. 3.2 Approx. 0.125
* The last digit of the part number represents the Free Spring Length in Inches, either 1 or 3.
Parts can also be purchased separately. When ordering separately
the steel washers, ceramic fiber washers, and springs are designated
by TW-_ _, TG-_ _, and TS-_ _-1 or TS-_ _-3 respectively.

Specifications

Availability

Most sizes are available from stock. Others can be shipped in one week, or quicker for emergencies.

Notes

The last digit of the part number represents the Free Spring Length in Inches, either 1 or 3.

This Strap and Clamps are shown for illustrative purposes and are not supplied with TGA assembly.

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