TA797 Ultra High Flow Two-Way Relief Valve - Industrial Spare Part RFQ
Brand: AGM Container Controls
Part Number / SKU: TA797
Product Family: Pressure Control > Breather Valves > Two-Way Relief Valves
This AGM Container Controls item is listed on AltraParts for industrial sourcing and RFQ-based procurement.
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Product Information
TA797 Ultra High Flow Two-Way Relief Valve SKU: TA797 TA797 Ultra High Flow Two-Way Relief Valve Categories Breather Valves , Pressure Control , Two-Way Relief Valves , Ultra High Flow Relief Valves Description The TA797 high-flow two-way relief valve is designed to offer similar pressure direction flow characteristics as AGMs TA796 One-way relief valve, but also provide vacuum direction flow within the same 4-inch diameter valve housing. It achieves high flow in the pressure direction with its unique, patented 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 in the pressure direction once the initial opening resistance is overcome. For the vacuum direction, while providing higher flow than most other breather valves, it is controlled by the conventional, compression spring and poppet mechanism, so a gradual increase in vacuum direction flow as pressure increases should be expected. This valve is commonly used in situations involving large volume enclosures or to mitigate near rapid decompression rates. In such applications, the TA797 provides day to day pressure relief as a container or enclosure requires, as well as the ability to quickly prevent extreme pressure buildups. While decompression events are typically due to a sudden loss of pressure inside an airplane fuselage, the TA797 can be used in any application where high volume air venting is required. The TA797 valve is hardier than most other products that provide pressure protection. For example, a blow-out membrane can be damaged by impact from material handling equipment such as a forklift, by accidental contact with protuberances on other containers, or by incidental pressure events. Additionally, blow-out membranes are not reusable. By contrast, the sturdy aluminum construction of the TA797 stands up to rough handling, and the valve will reseal automatically after relieving excess pressure spikes providing virtually unlimited reuse. The following table shows a few of the currently available TA797 part numbers and their corresponding settings. Any combination of these pressure and vacuum settings can be achieved, and other potential settings may be possible. Contact AGM's Engineering department for assistance with verifying whether your desired settings are achievable or if other information is needed. PRESSURE SIDE (FLOW OUT) VACUUM SIDE (FLOW IN) Part Number Cracking Pressure Range (PSID) Minumum "P" Flow Rate (SCFM by PSID) Cracking Pressure Range (PSID) Minumum "V" Flow Rate (SCFM by PSID) TA797-025-025 0.25 - 0.50 525 by 1.50 0.25 - 0.50 160 by 1.75 TA797-05-05 0.50 - 0.80 525 by 1.50 0.50 - 0.80 160 by 2.00 TA797-075-075 0.75 - 1.00 525 by 1.50 0.75 - 1.00 160 by 2.25 TA797-10-10 1.00 - 1.25 525 by 1.50 1.00 - 1.25 160 by 2.50 TA797-15-15 1.50 - 1.70 525 by 2.00 1.50 - 1.70 160 by 3.50 Download Magnet Valve White Paper Materials Housing, Cover, Vacuum Float, Vacuum Seat, Washer & Nut - Aluminum Alloy • Cover Screws - Stainless Steel Materials (Cont.) Pressure Float & Magnet Support - Glass Filled Polycarbonate • Magnets - Nickel Plated Neodymium Iron Boron Materials (Cont.) Vacuum Spring – Stainless Steel • Gasket and Internal Seals - Silicone Finish Anodize Mounting Hole Diameter 4.050 ± .04 (50.8 ± 1 mm) Maximum Wall Thickness 0.50 (19 mm) Torque Value for Nut 150 in-lbs (17 N•m) Weight 1.565 lbs. (710 grams) Cracking Ranges Available
Technical Details
PRESSURE SIDE (FLOW OUT) | VACUUM SIDE (FLOW IN)
Part Number | Cracking Pressure Range (PSID) | Minumum "P" Flow Rate (SCFM by PSID) | Cracking Pressure Range (PSID) | Minumum "V" Flow Rate (SCFM by PSID)
TA797-025-025 | 0.25 - 0.50 | 525 by 1.50 | 0.25 - 0.50 | 160 by 1.75
TA797-05-05 | 0.50 - 0.80 | 525 by 1.50 | 0.50 - 0.80 | 160 by 2.00
TA797-075-075 | 0.75 - 1.00 | 525 by 1.50 | 0.75 - 1.00 | 160 by 2.25
TA797-10-10 | 1.00 - 1.25 | 525 by 1.50 | 1.00 - 1.25 | 160 by 2.50
TA797-15-15 | 1.50 - 1.70 | 525 by 2.00 | 1.50 - 1.70 | 160 by 3.50
Materials | Housing, Cover, Vacuum Float, Vacuum Seat, Washer & Nut - Aluminum Alloy • Cover Screws - Stainless Steel
Materials (Cont.) | Pressure Float & Magnet Support - Glass Filled Polycarbonate • Magnets - Nickel Plated Neodymium Iron Boron
Materials (Cont.) | Vacuum Spring – Stainless Steel • Gasket and Internal Seals - Silicone
Finish | Anodize
Mounting Hole Diameter | 4.050 ± .04 (50.8 ± 1 mm)
Maximum Wall Thickness | 0.50 (19 mm)
Torque Value for Nut | 150 in-lbs (17 N•m)
Weight | 1.565 lbs. (710 grams)
Cracking Ranges Available (psid) | 0.1 - 1.5
Patent Number | 10,801,632
Materials | Housing, Cover, Vacuum Float, Vacuum Seat, Washer & Nut-Aluminum Alloy, Cover Screws-Stainless Steel, Float & Magnet Support-Glass Filled Polycarbonate, Magnets-Nickel Plated Neodymium Iron Boron, Vacuum Spring-Stainless Steel, Gasket & Internal Seals-Silicone
Mounting Hole Diameter | 4.050 ± .04 (103 ± 1 mm)
Maximum Wall Thickness | 0.50 in. (13 mm)
Torque Valve for Nut | 150 in-lbs (17 N•m)
Cracking Ranges Available | 0.1-1.5 psid
Operating Temperature | -80°F to +160°F (-62°C to +71°C)
Additional Information
Technical Documents
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RFQ Notes
- Original brand and part number should be confirmed during quotation.
- Availability, lead time, and shipping options are confirmed after RFQ review.
- For replacement or equivalent sourcing, include photos, nameplate data, and existing part references.
