Technical features:
· Unbalanced
· Single spring
· Bi-directional
· Elastomer diaphragm
· Equivalent to John Crane Type 1
Operating limits:
· P1= 1.6 MPa
· t= -40 to 205℃
· Vg= 30m/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, EPDM, VITON
Dimension in inch:
d | D | D1 | L1 | L2 |
1 | 1.5 | 1.625 | 1.562 | 0.437 |
1.125 | 1.625 | 1.75 | 1.625 | 0.437 |
1.25 | 1.812 | 1.875 | 1.625 | 0.437 |
1.375 | 1.875 | 2 | 1.687 | 0.437 |
1.5 | 2 | 2.125 | 1.687 | 0.437 |
1.625 | 2.25 | 2.375 | 2 | 0.5 |
1.75 | 2.375 | 2.5 | 2 | 0.5 |
1.875 | 2.5 | 2.625 | 2.125 | 0.5 |
2 | 2.625 | 2.75 | 2.125 | 0.5 |
2.125 | 2.812 | 3 | 2.375 | 0.562 |
2.25 | 2.937 | 3.125 | 2.375 | 0.562 |
2.375 | 3.062 | 3.25 | 2.5 | 0.562 |
2.5 | 3.187 | 3.375 | 2.5 | 0.562 |
2.625 | 3.375 | 3.375 | 2.75 | 0.625 |
2.75 | 3.5 | 3.5 | 2.75 | 0.625 |
2.875 | 3.625 | 3.75 | 2.875 | 0.625 |
3 | 3.75 | 3.875 | 2.875 | 0.625 |
3.25 | 4.125 | 4.125 | 3.125 | 0.781 |