Triggerable mechanisms and fragment containment arrangements for self-destructing frangible structures and sealed vessels

Control regulator diaphragm assembly with integrated pressure relief

Tear out test plug for plumbing installations

Fluid flow controller

Oil well completion tool having severable tubing string barrier disc

Rupture disc assembly that withstands much higher back pressures than actuation pressure

Explosion pressure relief device

Holder with V-knife blade for bi-directional rupture disc assembly

Non-fragmenting pressure relief apparatus

Non-fragmenting pressure relief apparatus