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Mechanical Seal TB21/21T replace John Crane type 21 seal, Roten 21A seal

Mechanical Seal TB21/21T replace John Crane type 21 seal, Roten 21A seal
Mechanical Seal TB21/21T replace John Crane type 21 seal, Roten 21A sealMechanical Seal TB21/21T replace John Crane type 21 seal, Roten 21A sealMechanical Seal TB21/21T replace John Crane type 21 seal, Roten 21A sealMechanical Seal TB21/21T replace John Crane type 21 seal, Roten 21A seal

Mechanical Seal TB21/21T replace John Crane type 21 seal, Roten 21A seal

CategoriesElastomer Bellow Mechanical Seal
BrandTOPBON
ModelTB21/21T
Temperature-20℃-120℃
Speed≦15m/s
Pressure≦1.0MPA
Stationary SeatTBT11
Rotary Ring MaterialCAR/SIC/TC
Stationary Ring MaterialCER/SIC/TC
O-Ring MaterialVIT/NBR/EPDM
Spring & Metal PartsSUS304/SUS316
ApplicationClean Water,Sewage Water,Oil
FOB portningbo
Terms of PaymentT/T
Update TimeMar 3,2024
Detail Information
TB21/21T mechanical seal
Replacement to:
John Crane 21, Flowserve 110,Sealol 43CU short, LIDERING LRB01, Hermetica M112K.5SP, Burgmann MG921 / D1-G55, AESSEL P04T, AESSEL P04, Vulcan 11, US SEAL C, Roten 21A, 
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: TBT11
Alternative:
Product details
SIZE
Size/
Inch
d
D3
D31
D1
L1
L2
0.500
12.7
24.0
22.80
25.40
20.62
7.95
0.625
15.8
26.7
26.70
31.75
22.23
10.31
0.750
19.1
31.2
30.40
34.93
22.23
10.31
0.875
22.2
33.5
33.40
38.10
23.80
10.31
1.000
25.4
43.2
39.30
41.28
25.40
11.10
1.125
28.6
46.5
42.00
44.45
26.97
11.10
1.250
31.7
49.5
45.80
47.63
26.97
11.10
1.375
34.9
52.7
49.30
50.80
28.58
11.10
1.500
38.1
56.0
52.80
53.98
28.58
11.10
1.625
41.2
62.2
55.50
60.33
34.93
12.70
1.750
44.4
66.0
61.00
63.50
34.93
12.70
1.875
47.6
66.0
64.00
66.68
38.10
12.70
2.000
50.8
73.0
66.00
69.85
38.10
12.70
2.125
53.9
73.5
71.50
76.20
42.85
14.27
2.250
57.1
79.6
79.60
79.38
42.85
14.27
2.375
60.3
82.0
79.60
82.55
46.05
14.27
2.500
63.5
85.0
81.50
85.73
46.05
14.27
2.625
66.6
88.5
84.60
85.73
49.20
15.88
2.750
69.8
92.7
90.00
88.90
49.20
15.88
3.000
76.2
102.0
96.80
98.40
52.37
15.88
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