SECO7 are made of Aluminum, Copper, Nickel, and Stainless Steel. These “37 Degree Flared Tube Fitting Conical Seals” are made for use on connections from 1/8″ to 3″ Nominal Tube Diameter. Optional plating of the crush washers is available in “Tin” or “Silver”. “Tin Plating” is available for all four materials, “Silver Plating” is only available for nickel and stainless-steel conical seals.
Make SECO SEALS your choice for flared tube fitting gasket applications.
AS4824
SECO7 products are designed to be reliable, flight grade components made in accordance with AS4824, a National Aerospace Standard. They are intended for use with 37-degree flared fitting ends per AS4395, AS4396 or similar fitting ends for power plant applications, fuel systems, ground support and test equipment.
SECO7 Assistance
Whether you are an engineer or a repair expert, SECO SEALS can assist you with your needs.
Repair Experts
View our installation demonstration videos which are available in 10 different languages: English, plus French, Italian, German, Brazilian Portuguese, Japanese, Mandarin, Arabic and Spanish.
SECO7 Information PDF
The SECO7 Information PDF consists of three pages.
For detailed technical information on our SECO7 product line, you can either view the SECO7 engineering drawings online or download a PDF of them.
Page 1
Page 1 of the information PDF provides complete sizing information and tolerances for SECO7 37 Degree Flared Tube Fitting Conical Seals.
Page 2
Page 2 of the SECO7 information PDF has Notes 1 through 7, Material and Finish, Cleaning and Packaging data for SECO7 37 Degree Flared Tube Fitting Conical Seals.
Page 3
Page 3 of the SECO7 information PDF has Notes 8 through 12, Material and Finish, Cleaning and Packaging data for SECO7 37 Degree Flared Tube Fitting Conical Seals.
SECO SEALS SECO7 Sizing Chart
Download the SECO7 Sizing Chart PDF.
SECO7 Part Matrix
| Nominal TUBE OD | SECO7A/AT | SECO7C/CT | SECO7N/NS/NT | SECO7S/SS/ST |
|---|---|---|---|---|
| 1/8″ | SECO7A02 | SECO7C02 | SECO7N02 | SECO7S02 |
| 3/16″ | SECO7A03 | SECO7C03 | SECO7N03 | SECO7S03 |
| 1/4″ | SECO7A04 | SECO7C04 | SECO7N04 | SECO7S04 |
| 5/16″ | SECO7A05 | SECO7C05 | SECO7N05 | SECO7S05 |
| 3/8″ | SECO7A06 | SECO7C06 | SECO7N06 | SECO7S06 |
| 7/16″ | SECO7A07 | SECO7C07 | SECO7N07 | SECO7S07 |
| 1/2″ | SECO7A08 | SECO7C08 | SECO7N08 | SECO7S08 |
| 9/16″ | SECO7A09 | SECO7C09 | SECO7N09 | SECO7S09 |
| 5/8″ | SECO7A10 | SECO7C10 | SECO7N10 | SECO7S10 |
| 3/4″ | SECO7A12 | SECO7C12 | SECO7N12 | SECO7S12 |
| 7/8″ | SECO7A14 | SECO7C14 | SECO7N14 | SECO7S14 |
| 1″ | SECO7A16 | SECO7C16 | SECO7N16 | SECO7S16 |
| 1-1/8″ | SECO7A18 | SECO7C18 | SECO7N18 | SECO7S18 |
| 1-1/4″ | SECO7A20 | SECO7C20 | SECO7N20 | SECO7S20 |
| 1-3/8″ | SECO7A22 | SECO7C22 | SECO7N22 | SECO7S22 |
| 1-1/2″ | SECO7A24 | SECO7C24 | SECO7N24 | SECO7S24 |
| 1-3/4″ | SECO7A28 | SECO7C28 | SECO7N28 | SECO7S28 |
| 2″ | SECO7A32 | SECO7C32 | SECO7N36 | SECO7S36 |
| 2-1/2″ | SECO7A40 | SECO7C40 | SECO7N40 | SECO7S40 |
| 2-3/4″ | SECO7A44 | SECO7C44 | SECO7N44 | SECO7S44 |
| 3″ | SECO7A48 | SECO7C48 | SECO7N48 | SECO7S48 |
Table Notes:
- A = Aluminum
- AT = Aluminum with Tin Plating
- C = Copper
- CT = Copper with Tin Plating
- N = Nickel
- NS = Nickel with Silver Plating
- NT = Nickel with Tin Plating
- S = Stainless Steel
- SS = Stainless Steel with Silver Plating
- ST = Stainless Steel with Tin Plating
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Phone: +1 714.546.3478
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