Every QUINTUS® HIP features a vessel and yoke frame that are fully pre-stressed and wire-wound with high tensile cold-rolled spring steel ribbon. The pre-stressing causes the pressure vessel wall to remain in residual compression, even at maximum operating pressure, eliminating tensile loads and preventing crack propagation and brittle failure.
It is widely acknowledged to be the safest, most reliable and durable pressure containment system ever designed. The vessel meets “leak-rather-than-burst” criteria as defined in the ASME code, and typically has a calculated fatigue life of more than 20,000 cycles. Because the load-absorbing wire ribbons in the QUINTUS® design have a tensile strength twice that of a forging, the system is lightweight and compact, with a savings in weight up to 50% compared to non wire-wound forged vessels.