Mechanical Seal TB20/20T replace Burgmann MG920/ D1-G50 seal, John Crane type 2 seal
Mechanical Seal TB20/20T replace Burgmann MG920/ D1-G50 seal, John Crane type 2 seal
Mechanical Seal TB20/20T replace Burgmann MG920/ D1-G50 seal, John Crane type 2 seal
Mechanical Seal TB20/20T replace Burgmann MG920/ D1-G50 seal, John Crane type 2 seal

Mechanical Seal TB20/20T replace Burgmann MG920/ D1-G50 seal, John Crane type 2 seal

Model
TB20/20T

Item specifics

Temperature
-20℃-120℃
Speed
≦15m/s
Pressure
≦1.0MPA
Stationary Seat
TBCT20
Rotary Ring Material
CAR/SIC/TC
Stationary Ring Material
CER/SIC/TC
O-Ring Material
VIT/NBR/EPDM
Spring & Metal Parts
SUS304/SUS316
Application
Clean Water，Sewage Water，Oil

Review

Description

Product Introduction 
Product Size
Product Details
Product Model
TB20/20T mechanical seal
Replacement to:
Burgmann MG920/ D1-G50 seal
John Crane type 2 seal
Flowserve 200 seal
Roten 21 seal
Operational Conditions:
Temperature: -20℃ to +120℃
Pressure: ≤1.0MPa
Speed: ≤15m/s

Materials:
Stationary Ring: Silicon Carbide, TC, Carbon
Rotary Ring: Silicon Carbide, Ceramic, TC
Secondary Seal: NBR, EPDM, Viton
Spring and Metal Parts: SUS304,SUS316 
Applications:
Clean water,
sewage water
oil and other moderately corrosive fluids
Stationary Seat:
Standard: TBCT20
Alternative:
Product details
SIZE
Size/
Metric
D3
D31
D1
L2
L1
Size/
Inch
D
D3
D31
D1
L2
L1
10
22.95
20.5
24.60
8.74
25.60
0.375''
9.5
22.95
20.0
24.60
8.74
25.60
11
23.90
22.8
27.79
8.74
25.60
0.500''
12.7
23.90
22.8
27.79
8.74
25.60
12
23.90
24.0
27.79
8.74
25.60
0.625''
15.8
26.70
26.7
30.95
10.32
25.60
13
26.70
24.2
30.95
10.32
25.60
0.750''
19.1
31.10
30.4
34.15
10.32
25.60
14
26.70
26.7
30.95
10.32
25.60
0.875''
22.2
33.40
33.4
37.30
10.32
25.60
15
26.70
26.7
30.95
10.32
25.60
1.000''
25.4
43.20
39.3
40.50
10.32
25.60
16
31.10
30.4
34.15
10.32
25.60
1.125''
28.6
46.30
42.0
47.63
11.99
33.54
18
31.10
30.4
34.15
10.32
25.60
1.250'
31.7
49.40
45.8
50.80
11.99
33.54
19
33.40
30.4
35.70
10.32
25.60
1.375''
34.9
52.60
49.3
53.98
11.99
33.54
20
33.40
33.4
37.30
10.32
25.60
1.500''
38.1
55.80
52.8
57.15
11.99
33.54
22
39.20
33.4
40.50
10.32
25.60
1.625''
41.2
62.20
55.5
60.35
11.99
33.54
24
39.20
38.0
40.50
10.32
25.60
1.750''
44.4
66.00
61.0
63.50
11.99
40.68
25
46.30
39.3
47.63
10.32
25.60
1.875''
47.6
66.60
64.0
66.70
11.99
40.68
28
49.40
42.0
50.80
11.99
33.54
2.000''
50.8
73.00
66.0
69.85
13.50
40.68
30
49.40
43.9
50.80
11.99
33.54
2.125''
53.9
73.30
71.5
73.05
13.50
41.20
32
49.40
45.8
53.98
11.99
33.54
2.250''
57.1
78.40
79.6
76.20
13.50
41.20
33
52.60
45.8
53.98
11.99
33.54
2.375''
60.3
82.00
79.6
79.40
13.50
41.20
35
52.60
49.3
53.98
11.99
33.54
2.500''
63.5
84.90
81.5
82.55
13.50
41.20
38
55.80
52.8
57.15
11.99
33.54
2.625''
66.6
88.40
84.6
92.10
15.90
49.20
40
62.20
55.8
60.35
11.99
33.54
2.750''
69.8
92.60
90.0
95.25
15.90
49.20
42
66.00
58.8
63.50
11.99
40.68
2.875''
73.0
94.85
92.0
98.45
15.90
49.20
43
66.00
58.8
63.50
11.99
40.68
3.000''
76.2
101.90
96.8
101.65
15.90
49.20
44
66.00
58.8
63.50
11.99
40.68
45
66.00
61.0
63.50
11.99
40.68
48
66.00
64.0
66.70
11.99
40.68
50
71.65
66.0
69.85
13.50
40.68
53
73.30
71.5
73.05
13.50
41.20
55
78.40
71.5
76.00
13.50
41.20
58
82.00
79.6
79.40
13.50
41.20
60
82.00
79.6
79.40
13.50
41.20
63
84.90
81.5
82.50
13.50
41.20
65
88.40
84.6
92.10
15.90
49.20
70
92.60
90.0
95.52
15.90
49.20
73
94.85
92.0
98.45
15.90
49.20
75
101.90
96.8
101.65
15.90
49.20

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