sales@secoseals.com
1370 Logan Ave, Ste K, Costa Mesa, CA 92626
+17145463478

SECO45

SECO SEALS is introducing a new product line, SECO45, US Patent Pending, of 45 degree copper flare fitting gaskets. They are made of Copper (Per ASTM B152 and ASTM B 152M)  and conform to ASE Standard J513_201912, “Refrigeration Tube Fittings – General Specifications” for general use with flared annealed copper tubing in refrigeration applications.

These flare gaskets stop leaks quick when properly installed. They are available in the following sizes.

Nominal Tube ODSECO45CSECO45CTSECO45CS
3/16 “SECO45C03SECO45CT03SECO45CS03
1/4″SEOC45C04SECO45CT04SECO45CS04
5/16″SECO45C05SECO45CT05SECO45CS05
3/8″SECO45C06SECO45CT06SECO45CT06
1/2″SECO45C08SECO45CT08SECO45CT08
5/8″SECO45C10SECO45CT10SECO45CT10
3/4″SECO45C12SECO45CT12SECO45CT12
SECO45C Copper – 45 Degree Copper Flare Fitting Gaskets size chart with optional Tin (“CT”) or Silver Plating (“CS”)

Why Use SECO45 Copper Flare Gaskets

Leaky fittings are the bane of customers. These include HVAC, and automotive to mention a few. A leaky fitting on your air conditioner leads to lose of refrigerant along with increased electrical bills not to mention the environmental impact to the ozone. A leaky fitting on your automobile leads to oil drips and stains in your garage, on your driveway, and in the street in front of your house.

Put Aerospace Technology in Your Toolbox

Service and warranty providers for HVAC, hydraulic, pneumatic, automotive, and other applications utilizing 45 degree flare fittings need a reliable solution that eliminates repeat warranty or service calls for the exact same problem. Typical applications utilizing 45 degree flare fittings are LP and Natural Gas, flammable liquids, instrumentation, refrigeration, power steering, HVAC, hydraulic and pneumatic systems.

Since 1969, SECO SEALS has sealed millions of high-pressure 37 degree flare tube fitting connections for aerospace, automotive and marine applications. Now this simple world class aerospace technology is available for 45 degree flare tube fitting connections.

Improve Customer Satisfaction

The one thing that no service or warranty organization needs or wants is a dissatisfied customer. Customer satisfaction leads to the best advertising possible, Word of Mouth.

Improve your customer satisfaction rating by utilizing SECO45 industry leading 45 degree copper flare gasket sealing solution for applications utilizing 45 degree flare tube fittings. The gasket is intended to never fail and never wear out.  Optional “tin” or “silver” plating for SECO45, 45 degree flare gaskets, is available.

SECO45 Information PDF

The SECO45 Information PDF consists of three pages.


For detailed technical information on our SECO45 product line. You can either view the SECO45 engineering drawings online or download a PDF of them.

Page 1

Page 1 of the information PDF provides complete sizing information and tolerances for SECO45 45 Degree Flared Tube Fitting Conical Seals.

Page 2

Page 2 of the SECO45 information PDF has Notes 1 through 7, Material and Finish, Cleaning and Packaging data for SECO45 45 Degree Flared Tube Fitting Conical Seals.

Page 3

Page 3 of the SECO45 information PDF has Notes 8 through 12, Material and Finish, Cleaning and Packaging data for SECO45 45 Degree Flared Tube Fitting Conical Seals.

Click on an image to view a full size image of the page.

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Fax: 714.546.3106

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