Technical features:
· Unbalanced
· Multiple springs
· Bi-directional
· Equivalent to John Crane Type 9T
Operating limits:
· P1= 2.4 MPa
· t=-40 to 205℃
· Vg= 20m/s
Materials:
· Seal faces: carbon graphite, silicon carbide,tungsten carbide
· Stationary seats: alumina dioxide,silicon carbide,tungsten carbide
· Bellows: NBR, EPDM, VITON
· Springs and other metal parts: AISI304,316
· Secondary seals: NBR,PTFE
Size in inch:
d | D | D2 | D3 | L | L2 |
0.75 | 1.19 | 1.312 | 1.718 | 0.937 | 0.812 |
0.875 | 1.315 | 1.437 | 1.843 | 937 | 0.812 |
1 | 1440 | 1.562 | 1.968 | 1 | 0.812 |
1.125 | 1.565 | 1.687 | 2.093 | 1 | 0.812 |
1.25 | 1.69 | 1.812 | 2.218 | 1 | 0.812 |
1.375 | 1.94 | 2.062 | 2.593 | 1.375 | 0.875 |
1.5 | 1.94 | 2.062 | 2.593 | 1.125 | 0.875 |
1.625 | 2.25 | 2.375 | 2.906 | 1.156 | 0.875 |
1.75 | 2.315 | 2.437 | 2.968 | 1.375 | 0.875 |
1.875 | 2.5 | 2.625 | 3.156 | 1.375 | 0.875 |
2 | 2.625 | 2.75 | 3.406 | 1375 | 1 |
2.125 | 2.812 | 2.937 | 3.593 | 1.687 | 1 |
2.25 | 2.843 | 2.968 | 3.625 | 1.375 | 1 |
2.375 | 3 | 3.125 | 3.781 | 1.687 | 1 |
2.5 | 3.125 | 3.25 | 3.906 | 1.375 | 1 |
2.625 | 3.25 | 3.375 | 4.031 | 1.687 | 1 |
2.75 | 3.375 | 3.5 | 4.156 | 1.687 | 1 |
2.875 | 3.5 | 3.625 | 4.281 | 1.687 | 1 |
3 | 3.625 | 3.75 | 4.406 | 1.687 | 1 |
3.125 | 3.75 | 3.875 | 4.531 | 1.687 | 1 |
3.25 | 3.875 | 4 | 4.656 | 1.687 | 1 |
3.375 | 4 | 4.125 | 4.781 | 1.687 | 1 |
3.5 | 4.125 | 4.25 | 4.906 | 1.687 | 1 |
3.625 | 4.25 | 4.375 | 5.031 | 1.687 | 1 |
3.75 | 4.375 | 4.5 | 5.156 | 1.687 | 1 |
3.875 | 4.5 | 4.625 | 5.281 | 1.687 | 1 |
4 | 4.625 | 4.75 | 5.406 | 1.687 | 1 |
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