TA Luft and EN15848 Valve stem packing sets

Braid of Flexible Expanded Natural Graphite Tape Practical useful application data: max. temperature in oxidizing atmosphere: +400 °C Characteristics Universal use in pumps and valves Very good dry-running characteristics No wear, perfect thermal conductivity High quality pure graphite Coefficient of thermal expansion similar to steel Rings should be approx. 20 - 25 % compressed during assembly Recommended as die formed rings Operating range Pressure [p max]: 20 bar, Velocity [v max]: 20 m/s Pressure [p max]: 300 bar Temperature: t = -200… +550 °C pH: 0 - 14 Density: 1.15 g/cm³ Practical useful application data: max. temperature in oxidizing atmosphere: +400 °C Main application Valves Fittings Gate valves Flaps Door and lid seals Suitable for Power plant technology Boiler houses Petrochemical plants High pressure- and high temperature applications For higher pressure and temperature applications use suitable bullrings. Form of delivery This packing can be manufactured from 3...