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Securely Connect Separate Sanitary Line Feeds with Stainless Steel 45º Tri-Clamp Elbow
- Tri-Clamp 45º Elbow
- Available in 304 & 316L Stainless Steel
- Surface Finish: 32Ra (20Ra and 15Ra Available)
- 3-A Sanitary Standards for Sanitary Fittings, Number 63-04
The 45° Tri-Clamp elbow comes in both 304 and 316L stainless steel. The connection ends have to be firmly fastened using clamp fittings like a single pin clamp or a bolted clamp along with a rubber gasket. This item has a 3A certification and conforms to sanitary-grade equipment standards that can be used in applications such as food, beverage, and drug. 3-A Sanitary Standards Inc. certifies that these equipment comply with FDA and USDA regulations regarding contamination prevention.
Product Overview
The Eagle 45° Sanitary Tri-Clamp Elbow presents an effective and clean way to redirect the course of process piping whenever a 90° change in direction is not appropriate. Constructed from seamless stainless steel tubing with a 32Ra electropolished interior finish, it offers the right smooth flow path required by modern CIP systems. The preferred 45° elbow is normally used to create slope drain lines which permit complete gravity emptying, for diverting flows while maintaining low pressure drop, and for making piping systems with minimum flow restrictions. Moreover, every elbow has its heat lot stamped, thus ensuring the traceability of the materials all the way to final pharmaceutical and food safety documentation.
Technical Specifications
- Size Range: 1.0" to 4.0"
- Material: 304 or 316L Stainless Steel
- Surface Finish: 32Ra Electropolished (20Ra and 15Ra Available)
- Connection Type: Sanitary Tri-Clamp (Bevel Seat)
- Angle: 45°
- Certification: 3-A Sanitary Standard 63-04
- Traceability: Stamped with Heat Lot Number
- Compatible Clamps: Single Pin Heavy Duty Clamp, Bolted Clamp
Key Advantages of Our 45° Tri-Clamp Elbow
Dimensions

| Size | A | B | ||
|---|---|---|---|---|
| inch | mm | inch | mm | |
| 1.0" | 1.99 | 50.5 | 1.12 | 28.5 |
| 1.5" | 1.99 | 50.5 | 1.44 | 36.5 |
| 2.0" | 2.52 | 64.0 | 1.75 | 44.45 |
| 2.5" | 3.05 | 77.5 | 2.06 | 52.3 |
| 3.0" | 3.58 | 91.0 | 2.37 | 60.3 |
| 4.0" | 4.69 | 119.0 | 3.12 | 79.4 |
Applications & Industries
Frequently Asked Questions
How does a 45° elbow improve CIP cleaning effectiveness?
A 45-degree sanitary elbow has two benefits on CIP cleaning. The mild bend keeps the fluid speed much larger as it flows through the bend. This increases the mechanical scrubbing process that removes the product debris from the pipe wall. Moreover, the shallower angle avoids the creation of flow-separation and recirculation zones that exist on the inner radius of more acute bends. The low-speed regions in question do not receive any cleaning and may contain debris.
What is the correct orientation for a 45° elbow in a drain line?
The proper installation of a 45° elbow in a horizontal drain line is to ensure that the installation keeps the flow uninterrupted in a downward slope across the bend. In any case, the elbow should never be installed with the bend at the top position, which means that it will form a trap retaining liquid after the system is drained. The installation of a combination of a 45° elbow plus a short straight piece of tubing can create a better transition from vertical to horizontal than a single 90° fitting would have done.
How do I calculate the total installed length of a 45° elbow in my piping system?
The B dimension from the dimensional table refers to the distance between the centerline to the face — that is, the measure from the intersection of the centerlines of two tubes to the face of the ferrule. To get the total installed length between two connected parts, the B dimension of the elbow must be added to the face-to-face dimension of a fitting it is connected to or to the cut length of straight tubes. The A dimension refers to outside diameter of the ferrule that helps in choosing the size of the clamps and gaskets. Both dimensions are given in inches and millimeters in the table.
Is the 45° elbow available with butt-weld ends instead of Tri-Clamp?
Of course. Even though this catalogue page includes 45-degree elbows with Tri-Clamp ends, Eagle Fittings also manufactures elbows with butt-weld ends for permanent plumbing system installations. The advantage of the weld-end configuration is that it removes the need for gaskets and clamps, allowing for maximum sanitation and cleaning in hygienically-approved pharmaceutical and biotechnology systems. Get in touch with our engineering team to customize your weld-end fittings based on your project’s specifications.
Why Choose Eagle Fittings
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