LY9SA
LY9SA
| Item | Description |
| 1 | Seal ring with bellows unit |
| 2, 5, 7, 9 | O-Ring |
| 3, 14, 15 | Set screw |
| 4 | Mating ring |
| 6 | Seal sleeve |
| 8 | Gland plate |
| 10 | Flow distributor |
| 11 | Retaining ring |
| 12 | Throttle bushing |
| 13 | Drive collar |
| 16 | Setting device |
| 17 | HSH Cap screw |
F Flush
Q Quench
D Drain
LY9SA
Features
- API 682 Category 2 and 3, Type B, Arrangement 1 seal
- Single Seal
- Balanced
- Cartridge unit
- Rotating metal bellows
- Shrink fitted seal ring and solid mating ring
Advantages
- Compact design
- Bellows design allows use of balanced seal with plain sleeve
- Absence of dynamic O-Ring eleminates/reduces seal face hang-up
- Bellows design minimizes variation in face load due to shaft expansion or face wear
- Resistant to abrasive particles in the medium, no shaft or sleeve fretting
- Low heat generation and power consumption due to narrow seal face width
- Longer seal life
Materials
Seal ring: Blister resistant carbon
Mating ring:
Silicon carbide SSiC (Q1), RBSiC (Q2)
Bellows: Hastelloy® C-276 (M5),
option: Inconel® 718 (M6)
Secondary seals:
EPDM (E), NBR (P), FKM (V), FFKM (K)
Metal parts: CrNiMo steel 316 (G),
Hastelloy® C-276 (M5)
Mating ring:
Silicon carbide SSiC (Q1), RBSiC (Q2)
Bellows: Hastelloy® C-276 (M5),
option: Inconel® 718 (M6)
Secondary seals:
EPDM (E), NBR (P), FKM (V), FFKM (K)
Metal parts: CrNiMo steel 316 (G),
Hastelloy® C-276 (M5)
Standards and approvals
- API 682 / ISO 21049
- API 682 4th ed. Cat. 2/3 - 1CW-FL
Recommended applications
- Refining technology
- Oil and gas industry
- Petrochemical industry
- Chemical industry
- Power plant technology
- LPG plants
- API 610 / ISO 13709 pumps
- Process pumps
Recommended piping plans
Similar products
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