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Cantilever U vs Cantilever V Springs — Quick verdict: choose U Spring for large-deflection, low-friction dynamic seals with adequate gland depth; choose V Spring where gland height is limited and high preload is required. Cantilever V Spring Energized Seals Cantilever U Spring Energized Seals Quick Comparison (at a glance) U: large deflection, lower friction, smoother load curve, better for long-stroke dynamic use. V: compact profile, high initial stiffness, high preload in short stroke, ideal for space-limited glands. Both: available in......