Close tolerance engagement between the disc and stem minimizes hysteresis. This design prevents the typical misalignment problems of rigidly attached discs and stems to offer maximum strength. The Tri Lok connection allows axial movement of the disc independent of the stem, keeping the seal ring and seat in position and unaffected by temperature fluctuationsĪnd pressure effects on the stem. Tri Lok offers a solid metal seal ring for high-temperature and severe service applications to ensure bi-directional shutoff throughout the full pressure/temperature range.īray Tri Lok is the only valve in its class with a splined disc/stem connection. The resiliency of the seal ring ensures uniform peripheral sealing with the seat, achieving full shutoff regardless ofįlow direction. Tri Lok’s, non-rubbing, metal-to-metal seal delivers zero leakage with minimal torque and is certified fire-safe. Or ball valves of the same size and pressure class, Tri Lok provides space and weight savings while minimizing installation and maintenance costs. Bray proudly offers the Tri Lok triple offset butterfly valve, a premier isolation valve well-suited for operation in light vacuum to high-pressure applications and ideally suited for applications requiring absolute zero leakage.
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