Manhole and hand-hole gaskets for steam boilers




Steam boilers fitted with oval closure systems and inside covers, tightened by nuts on bolts and yokes.

Operational conditions

Pressure: 40 bar
Permissible cold water test overpressure p`= 88 bar.
Temperature: 250°C

Fibre quality

Blow-out safety (corrugated ring, eyelet)
High recovery rate (corrugated ring)
Prevention of graphite layer’s delamination caused by the flow medium (eyelet)
Easy handling
Low ageing and high chemical resistance
High pressure resistance
All these gaskets meet the requirements of TÜV certificate.