Description
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DonadonSDD disc holders are designed in order to ensure maximum reliability to DonadonSDD rupture discs.r
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HI/F and HR/F flanged disc holders, previous code AZ-60, have been designed to be fitted directly on the piping. They are composed of two flanged parts, complete with steel bolts.r
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HI/F and HR/F models are fully customisable and can be supplied with different types of couplings that can be fitted with one another:r
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female or male threaded NPT, Gas, or in accordance with other international standardsr
butt weldingr
socket weldingr
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Standard DonadonSDD disc holder materials: Carbon steel, Stainless steel (316L), Alloy 201, Alloy 400, Alloy 600, Alloy C276. Special executions are available in Titanium or Tantalum or with PTFE or glass fibre reinforced PTFE lining.r
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Reverse acting (or compression) discs, like for example models SCR, Y90 and KRD, are installed in HR/F holders sized in order to protect the dome of the disc and allow correct opening of the disc.
