Flange gasket DN 250 PN 10 238/274

SIGMA® 533 is suitable for sealing most chemicals over the entire pH range (0–14), except for molten alkali metals, fluorine gas and anhydrous hydrofluoric acid (HF). SIGMA® 533 is particularly suitable for use in applications where strong alkali are present.

- Recommended temperature range: -250°C – +260°C
- Recommended pressure range: Vacuum to 85 bar (1230 psi)
- Note: These temperature and pressure ranges may not apply simultaneously and may not apply to all thicknesses.
- Meets FDA regulations
- TA-LUFT approved
- DO NOT use sealing pastes