Manufacturer / Exporter / Supplier Of Breather Valve, Two-Way High Flow Valve
Year of Establishment
1970
Primary Business
Supplier
Number of Employees
100-199
Market Covered
Middle East, Asia, Europe
The TA289 is one of AGM's smallest Breather Valves. It was designed to meet the need for smaller packages requiring a two-way valve. For use on transit cases and similar applications up to 5 cubic feet in volume. The TA289 Breather Valve has separate and distinct settings for both pressure and vacuum relief. It has a flow rate of 0.6 scfm at a pressure of 3.5 psi to 4.0 psi above the valve setting. Standard settings range from 0.5 psid to 3.0 psid reseal pressure The valve requires no field maintenance. Corrosion- resistant materials are used throughout. The valve seal is made of silicone rubber. Intended for use in threaded bosses, each valve comes complete with an environmental o-ring. An optional mounting unit is available upon request. May also be supplied with an optional desiccant cartridge up to 3" in length with a choice of desiccant materials. RFI versions are also available.
Two-Way High Flow Valve TA790 The TA790 High Flow Valve is intended for applications requiring the moving of large amounts of air in short periods of time, automatically. The TA790 offers both pressure and vacuum relief at an opening point of 0.50 psi ± 0.25 psi in both directions. Rapid decompression, or explosive decompression, is becoming a more common requirement for airborne military packages. This requirement has presented a very difficult design challenge. One solution to this requirement has been the use of rupture disks which require replacement if used or if accidentally over-pressurized. With a flow rate of up to 140 SCFM, the TA790 will provide for the rapid decompression needs of a 50 ft.³ container that experiences a loss of pressurization from 10.1 psia (altitude of 10, 000 ft.), a typical cargo hold pressure, to 2.7 psia, the external ambient pressure at 40, 000 ft., in a 15 second time period. Airborne transport of large volume containers, even without a rapid decompression requirement, need to move large volumes of air to keep from exploding or imploding due to atmospheric pressure changes with altitude. SAE AS27166 recommends that valves should have a flow capacity of 12% of the container volume. Applied to the TA790 High Flow Valve, this means a container of over 1, 100 ft.³ can be protected with a single valve. The manual release button ensures easy entry into the enclosure when it is under vacuum conditions and safe opening when the container is pressurized. The attached retaining clip guarantees the button is only used when intended. The lanyard makes losing the retaining clip impossible. The valve is low profile, projecting only 1.25" from the container wall to the tip of the manual release button. Installation into container walls up to .40" thick is simple.
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