This is a composite disc comprised of three-part :
The simplicity of the ZD Rupture Disc Holder design incorporates several features that allow easy installation. Asymmetric alignment pins in the Disc holder mate with location holes in the replacement disc, thus eliminating incorrect installation and slippage. The flat-set design, in combination with a metal-to-metal “bite type” seal, provides a leak-tight system. The ZD holder and rupture disc are easily pre-assembled with side lugs.
Available in S.S.304 & S. S.316