V-Stack seals, or chevron rings, excel in dynamic downhole tools like sliding sleeves and packers. Stacked V-rings with fabric or thermoplastic reinforcement self-energize under axial load, conforming to irregular bores. Bidirectional designs handle pressure reversals. PEEK adapters distribute force, preventing over-compression. HNBR V-stacks resist H2S per NACE MR0175. In frac sleeve... https://globalsealstech.com/product-category/oil-gas-seals/downhole-completion-tools-seals/