Weldolets

What is Weldolet? Dimensions, Properties and Uses

ByPalak Karia

Anyone familiar with the pipework industry will likely hear of a weldolet and its importance in joining fittings together. However, if this is your first time hearing about it, don’t worry! In this blog post, we’ll dive deep into understanding weldolet, its dimensions, properties, and its various uses. So, whatever your level of knowledge, let’s get started.

What is Weldolet?

A weldolet is a type of fitting used in piping systems that connects a pipe to another pipe or a flange. It is a branch connection welded onto the main pipe, creating a branch connection and allowing for a seamless flow between pipes. The weldolet is shaped like a standard tee but has a branch opening in its center. It is typically used in high-pressure applications or those requiring high accuracy.

Weldolet Dimensions 

RUN PIPE NPS RUN PIPE SCHEDULE WELDOLET DIMENSIONS
SIZE SCH. 2″ 3″ 4″ 6″ 8″ 10″ 12″ 14″ 16″ 18″ 20″ 24″
2″ STD-40
XS-80		 70
XXS-160 87
3″ STD-40
XS-80		 84 91
XXS-160 101 119
4″ STD-40
XS-80		 97 103 111
XXS-160 114 132 144
STD-40 124 130 138 148
6″ XS-80 124 130 138 165
XXS-160 141 159 171 192
STD-40 149 156 164 176 183
8″ XS-80 149 156 164 191 197
XXS-160 167 184 197 218 224
STD-40 176 183 191 205 210 218
10″ XS-80 176 183 191 218 238 235
XXS-160 194 211 224 245 251 265
STD 202 208 216 228 255 245 251
12″ XS 202 208 216 243 264 267 265
XXS-160 219 237 249 270 276 291 324
14″ STD 218 224 232 245 251 259 267 270
XS 218 224 231 239 279 270 278 286
16″ STD 243 249 257 270 276 284 292 295 300
XS 243 249 257 284 305 293 303 306 319
18″ STD 268 275 283 295 302 310 318 321 325 335
XS 268 275 283 310 330 321 329 332 338 352
20″ STD 294 300 308 321 327 335 343 346 351 356 376
XS 294 300 308 335 356 346 354 557 364 370 386
24″ STD 345 351 359 372 378 386 394 397 402 406 411 446
XS 345 351 359 386 406 397 405 408 414 421 429 449

Weldolet Properties 

One of the key properties of the weldolet is its durability, which is critical in withstanding high-pressure environments. The material choice for a weldolet depends on the application required; however, they are typically made from carbon steel, stainless steel, or nickel-based materials. Weldolets made using Duplex Stainless Steel are becoming popular as they offer exceptional corrosion resistance, giving them long life and the ability to withstand extreme weather and pressure conditions.

Weldolet Uses 

The weldolet is a versatile fitting that finds uses in many applications. Its primary use is in high-pressure applications, such as oil and gas industries and chemical processing plants. Other applications for weldolets include water treatment facilities, power generation plants, and the construction industry. Weldolets are also popular due to their ability to enhance the structural integrity of piping systems, making them more efficient and safe.

Conclusion:

In conclusion, we’ve discussed the importance of weldolets in the piping industry. They offer several benefits, such as efficient branching of pipelines, durability, and increased safety in high-pressure environments. Understanding the dimensions, properties, and uses of weldolets is crucial to ensure that you choose the right-sized weldolet for your application, and it is recommended that you work with an expert to ensure a proper installation. Whether you’re a professional in piping systems or not, this blog post has provided some insights into the usefulness of weldolets.

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