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Stainless Steel Pipe Coupling – Types, Uses and Dimension

Stainless Steel Pipe Coupling

A stainless steel pipe coupling is a plumbing fitting used to join two pipe sections. It can be used in both industrial and residential applications and is available in different sizes and styles to suit various needs. Let’s take a look at the different types of stainless steel pipe couplings and their uses.

Stainless Steel Pipe Couplings Types

Stainless steel pipe couplings come in three major types: threaded, slip-on, and welded. The threaded variety features internal threads on both ends for easy installation; it’s commonly used for low-pressure piping jobs where a tight seal isn’t necessary. Slip-on couplings are used for joining two sections of pipes without any threading; they’re ideal for projects that require frequent disassembly and reassembly. Lastly, welded couplings are used when a permanent connection needs to be made between two sections of pipes; they are welded together on the sides to create an airtight seal that won’t leak or loosen over time.

Stainless Steel Pipe Coupling Uses

Stainless steel pipe couplings have many uses in residential and commercial applications. In residential settings, they’re often used for connecting sinks, bathtubs, showers, toilets, and other plumbing fixtures. In commercial settings, they’re typically used for joining large sections of pipes that carry water or other materials such as fuel or chemicals. They can also be used to repair existing piping systems or to extend them with additional sections. Additionally, stainless steel pipe couplings are often used in industrial settings due to their corrosion resistance and durability.

Stainless Steel Pipe Coupling Dimension

Stainless Steel Pipe Coupling Dimension

Size (inches) A B Weight (lbs) Stainless Steel
Part Number
 Stainless Steel
Part Number
1/8″ 0.79 0.55 0.04 15-A 32-M
1/4″ 1.06 0.73 0.07 15-B 32-N
3/8″ 1.10 0.85 0.07 15-C 32-O
1/2″ 1.40 1.05 0.16 15-D 32-P
3/4″ 1.48 1.25 0.19 15-E 32-Q
1″ 1.69 1.56 0.37 15-F 32-R
1-1/4″ 1.89 1.91 0.53 15-G 32-S
1-1/2″ 1.89 2.17 0.65 15-H 32-T
2″ 2.20 2.62 0.99 15-I 32-U
5-1/2″ 2.56 3.33 2.07 15-J 32-V
3″ 2.80 3.96 2.77 15-K 32-W
4″ 3.27 5.10 5.11 15-L 32-X
6″ 3.94 7.06 7.95 15-L6 32-X6


As you can see, stainless steel pipe couplings are incredibly versatile fittings that have many uses in both residential and commercial applications. They offer superior strength and durability compared to other materials, such as copper or plastic, making them ideal for high-pressure piping jobs like those found in industrial settings. Whether you need a permanent connection or one that can be easily disassembled and reassembled as needed, there’s sure to be a type of stainless steel pipe coupling that will suit your needs perfectly!

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