Technical features:
· Unbalanced
· Conical spring
· Uni-directional
· Equivalent to BT-FN
Operating limits:
· P1= 1 MPa
· t=-20 to 180℃
· Vg= 20m/s
Materials:
· Seal faces:alumina dioxide, silicon carbide
· Stationary seats: carbon graphite, silicon carbide
· Bellows: NBR, EPDM, VITON
· Springs and other metal parts: AISI304,316
· Secondary seals: NBR,EPDM,VITON
Size in inch:
Shaft size(mm) | d | D | DI | L | LI |
10 | 10 | 20.0 | 18.1 | 15 | 5.5 |
11 | 11 | 22.0 | 20.6 | 18 | 5.5 |
12 | 12 | 22.0 | 20.6 | 18 | 5.5 |
13 | 13 | 25.0 | 23.1 | 22 | 6.0 |
14 | 14 | 25.0 | 23.1 | 22 | 6.0 |
15 | 15 | 29.0 | 26.9 | 22 | 7.0 |
16 | 16 | 29.0 | 26.9 | 23 | 7.0 |
17 | 17 | 29.0 | 26.9 | 23 | 7.0 |
18 | 18 | 33.0 | 30.9 | 24 | 8.0 |
19 | 19 | 33.0 | 30.9 | 25 | 8.0 |
20 | 20 | 33.0 | 30.9 | 25 | 8.0 |
21 | 21 | 38.0 | 35.4 | 25 | 8.0 |
22 | 22 | 38.0 | 35.4 | 25 | 8.0 |
23 | 23 | 38.0 | 35.4 | 27 | 8.0 |
24 | 24 | 38.0 | 35.4 | 27 | 8.0 |
25 | 25 | 40.0 | 38.2 | 27 | 8.5 |
28 | 28 | 46.0 | 43.3 | 29 | 9.0 |
29 | 29 | 46.0 | 43.3 | 30 | 9.0 |
30 | 30 | 46.0 | 43.3 | 30 | 9.0 |
32 | 32 | 46.0 | 43.3 | 30 | 9.0 |
33 | 33 | 48.0 | 53.5 | 39 | 11.5 |
35 | 35 | 50.0 | 53.5 | 39 | 11.5 |
38 | 38 | 58.0 | 60.5 | 39 | 11.5 |
40 | 40 | 58.0 | 60.5 | 39 | 11.5 |
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