Mechanical Seal HRGS-D
Type in the Iseal : ISHRGS-D
- Shaft diameter: ±dw = 20 … 200 mm (0.787″… 7.874″)
- Pressure HRGS-DC: p1 = … 22 bar (319 PSI)
p3 = … 25 bar (363 PSI) - Pressure HRGS-DD: p1 = … 40 bar (580 PSI)
p3 = … 43 bar (624 PSI) - Operating temperature limits for:
EPDM -20 °C … +140 °C (-4 °F … +284 °F)
FFKM -20 °C … +120 °C (-4 °F … 248 °F)
FKM -20 °C … +170 °C (-4 °F … 338 °F) - Sliding velocity: vg = 4 … 25 m/s (13 … 82 ft/s)
| Brand | Iseal |
|---|
Description
| Item | Part no. DIN 24250 | Description |
| 1.1.1 | 472.1 | Seal face |
| 1.1.4 | 477 | Spring |
| 1.2 | 475.1 | Seat |
| 2.1.1 | 472.2 | Seal face |
| 2.1.4 | 485 | Drive collar |
| 2.1.5 | 477 | Spring |
| 2.2 | 475.2 | Seat |
| 3 | 523 | Shaft sleeve |
| 4 | 513 | Insert |
| 10 | 441 | Housing |
| 13 | Assembly fixture |
Advantages Seal
- Contact-free operation
- Suitable for solids containing media
- Internally pressurized
- Cartridge unit
- Does not open in the event of buffer pressure failure, self closing at pressure reversal
- HR principle with rotating seat
- No friction on the seal faces, no heat generated at the seal or in the medium
Features
- Double seal
- Balanced
- Standard version with U-grooves (bi-directional)
- Gas-lubricated
Materials
- Product side (HRGS-DC, HRGS-DD):
- Seal face: Silicon carbide (Q19, Q29)
- Seat: Silicon carbide (Q1, Q2)
Atmosphere side HRGS-DC:
- Seal face: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B)
- Seat: Silicon carbide (Q1, Q2)
Atmosphere side HRGS-DD:
- Seal face: Silicon carbide (Q19, Q29)
- Seat: Silicon carbide (Q1, Q2)
- Springs: CrNiMo steel (G), Hastelloy® C-4 (M)
- Metal parts: CrNiMo steel (G), Hastelloy® C-4 (M)
Recommended applications
- Chemical industry
- Refining technology
- Gases and liquids
- Media which require high purity
- Environmental harmful media
- Pumps
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download HRGS-D (ISHRGS-D) Iseal mechanical seal catalog
