DonadonSDD GR disc holders

DonadonSDD disc holders are designed in order to ensure maximum reliability to DonadonSDD rupture discs.

GR disc holders in graphite have been designed for GR replaceable graphite disc mounting. The GR model has been designed to be fitted directly on piping and is:

• composed of two flanged graphite parts
• characterised by resistance to aggressive fluids
• complete with Graphite and Cork seals