Description
Arcadia Desiccant TA762 High-Flow Vacuum Relief Valve
Engineered for Maximum Intake Performance in Compact Form
The TA762 high-flow vacuum relief valve from Arcadia Desiccant is specifically designed to deliver the maximum possible airflow for a valve with a 2.5-inch diameter. Unlike traditional spring-actuated breather valves, the TA762 uses powerful rare earth magnets to actuate the mechanism. This magnetic design allows the valve to open rapidly and fully once the initial cracking pressure is reached—ensuring optimal performance in high-volume air intake applications.
Ideal for use in any scenario where fast vacuum relief or pressure equalization is essential, the TA762 is shipped pre-set to a factory-defined cracking pressure, requires no field maintenance, and includes a mounting nut, washer, and gasket for quick installation.
Optional Manual Release
The TA762-VR variant includes a manual release button, allowing users to relieve vacuum differentials manually—making it easier to open containers during service or access.
If additional airflow is required beyond the TA762’s capabilities, the TA798 (4.5″ diameter) valve is also available from Arcadia Desiccant.
Valve Performance
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Offers predictable opening (cracking) pressures from 0.1 to 1.0 psi
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Non-selectable reseal pressure due to high airflow—valve typically equalizes internal and external pressure before resealing
Specifications
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Mounting Hole Diameter: 2.550 ± 0.04 in (65 ± 1 mm)
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Maximum Wall Thickness: 0.60 in (15 mm)
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Installation Torque: 80–90 in-lbs
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Weight:
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TA762-V: 0.727 lbs (330 grams)
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TA762-VR (with release): 0.772 lbs (350 grams)
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Materials and Finishes
| Component | Material |
|---|---|
| Housing, Cover, Washer & Nut | Aluminum Alloy |
| Cover Screws | Stainless Steel |
| Float & Magnet Support | Glass-Filled Polycarbonate |
| Magnets | Nickel-Plated Neodymium Iron Boron |
| Return Spring | Phosphor Bronze |
| Gasket & Internal Seal | Silicone |
| Finish | Anodized Aluminum |
TA762-VR only:
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Manual Release Button: Anodized Aluminum Alloy
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Lockout Pin & Retaining Cable: Stainless Steel
Installation Notes
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Hook spanner notches are provided on the housing and nut
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Use a 3-inch hook spanner wrench for the nut
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Use a 3.25-inch hook spanner wrench for the housing
For guidance on selecting the appropriate cracking pressure or for assistance integrating the TA762 into your system, please contact Arcadia Desiccant’s Engineering Department.
