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Bray Triple Offset Butterfly Valve - Tri Lok Cryogenik

Update Terakhir
03 / 09 / 2020
Min. Pembelian
1 Unit


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Detail Bray Triple Offset Butterfly Valve - Tri Lok Cryogenik

Bray Triple Offset Butterfly Valve - Tri Lok Cryogenik

Size Range
3 – 48” (80 – 1200mm)
Temperature Range
-320°F to 842°F (-196°C to 450°C)
Pressure Ratings


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. Compared to gate, globe or ball valves of the same size and pressure class, Tri Lok provides space and weight savings while minimizing installation and maintenance costs.

Tri Lok’s standard, non-rubbing, metal-to-metal sealing system delivers zero leakage with a minimal amount of torque and is inherently fire-safe. The resiliency of the seal ring ensures uniform peripheral sealing with the seat, achieving full shutoff regardless of flow direction. 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.

Tri Lok is the only valve in its class with a splined disc/stem connection. 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 fluctuations and pressure effects on the stem. This design prevents the typical misalignment problems of rigidly attached discs and stems to offer maximum strength. Close tolerance engagement between the disc and stem minimizes hysteresis.


Triple Offset Geometry

The stem is offset on both the X (1) and Y (2) axis of the valve's center-line. This produces a cam‑like motion. The third offset (3) consists of an inclined conical profile machined into the valve sealing surface, allowing rotary engagement and disengagement of the seat and seal ring without interference. This eliminates all rubbing between the seat and seal ring.

ASME Class 150, 300, 600
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