Flange seal – Sigraflex pure graphite seal with carrier sheet insert DN250, PN25, 353 x 274 x 2.0 mm

Applications:
- For all common flange designs in the field of pipelines and containers
- For operating pressures from vacuum up to 100 bar
- For corrosive media
- Can be used at operating temperatures from 250 °C to approx. 450 °C
- Seals for the chemical and petrochemical industry and refineries
- Steam pipelines in power plants and heating systems
- Old facilities

Approvals:
- Fire Safe according to BS 6755 2
- Blow-out safety (TÜV Süd at 2.5 times nominal pressure)
- BAM oxygen
- BAM ethylene oxide / propylene oxide
- Germanischer Lloyd
- DVGW (DIN 3535 6)

Properties:
- High operational reliability and outstanding oxidation resistance
- High blow-out resistance and high mechanical strength
- Very high fault tolerance during assembly and operation
- Good chemical resistance
- Long-term stable compression and recovery behaviour even with temperature changes
- Scratch-resistant, low adhesion to other materials due to special impregnation
- No measurable cold and hot flow under the recommended surface pressures
- Resistant to ageing and non-brittle, as free of adhesives and binders
- Not hazardous to health