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TA762 Ultra High Flow Relief Valve

Description

The TA762 high-flow vacuum relief valve is designed to offer the maximum air flow possible for a 2.5-inch diameter valve. It achieves this flow with its unique, patent-pending design that utilizes powerful rare earth magnets instead of the compression springs found on a conventional breather valve. The magnets allow the valve to open quickly and completely once the initial opening resistance is overcome.

The TA762 can be used in any application where rapid, high volume, air intake is required.

Each valve is shipped with a factory-set opening pressure, requires no field maintenance, and is supplied complete with a nut, washer, and gasket. Additionally, the TA762 may be configured with a manual release button, which is used to equalize vacuum differentials in order to make opening the container easier.

The chart below shows the typical flow performance for the TA762 valve. The dashed lines show varying cracking (opening) points. The 4.5-inch diameter TA798 valve is also available if higher flow rates are required.

TA762 High-Flow Vacuum Relief Valve Typical Flow versus Pressure Graph

As shown in the chart above, various cracking pressures are available for the TA762 valve. The reseal pressure of the valve, however, is not selectable due to the valve's high volume of air flow. In many cases, the valve will completely equalize the pressure inside an enclosure with its surrounding atmosphere before the valve closes.

MaterialsHousing, Cover, Washer & Nut - Aluminum Alloy • Cover Screws - Stainless Steel
Materials (Cont.)Float & Magnet Support - Glass Filled Polycarbonate • Magnets - Nickel Plated Neodymium Iron Boron
Materials (Cont.)Return Spring - Phosphor Bronze • Gasket and Internal Seal - Silicone
FinishAnodize
Mounting Hole Diameter2.550 ± .04 (65 ± 1 mm)
Maximum Wall Thickness0.60 (15 mm)
WeightTA762-V - 0.727 lbs. (330 grams) • TA762-VR - 0.772 lbs. (350 grams)

TA762-VR Only:

Manual Release ButtonAnodized Aluminum Alloy
Lockout Pin & Lockout Pin Retaining Cable: Stainless Steel

Housing and nut have hook spanner notches. Use a 3-inch hook spanner wrench for the nut and a 3.25-inch hook spanner wrench for the housing.
Available in cracking ranges 0.1 - 1.0 psi.

TA762-V Drawing

TA762 High-Flow Vacuum Relief Valve Drawing

TA762-VR Drawing

TA762-VR High-Flow Vacuum Relief Valve Drawing

Additional information

Materials

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

Anodize

Mounting Hole Diameter

2.550 ± .04 (65 ± 1 mm)

Maximum Wall Thickness

0.60 in. (15 mm)

Weight

TA760V-0.727 lbs. (330 grams), TA762-VR-0.772 lbs. (350 grams)

AGM Container Controls, Inc.
3526 E. Fort Lowell Rd.
Tucson, AZ 85716
520.881.2130
agmwebsales@agmcontainer.com

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