This is a composite disk comprised of three-part :
The simplicity of the ZD Rupture Disk Holder design incorporates several features that allow easy installation. Asymmetric alignment pins in the disk holder mate with location holes in the replacement disk, 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 disk are easily pre-assembled with side lugs.
Available in S.S.304 & S. S.316