Thefollowing is a list of resources and calculators designed to assist you in your pigging and corrosion endeavors. Using the calculators you can determine everything from pig speeds to the amount of wax tape required to wrap a certain size pipe. Also included are helpful formulas and an “FAQ’s” page which will provide you with useful tips about pigging pipelines.
Liquid Flow Rate Calculator |
This calculator can be used to calculate the speed and time required for a pig to travel through an oil or other liquid pipeline. Just plug in the data in the field below and press calculate. Read more about Pipeline Pigs. |
Gas Flow Rate Calculator |
This calculator can be used to calculate the speed and time required for a pig to travel through a gas pipeline. Just plug in the data in the field below and press calculate. |
Wax Tape Coverage Chart |
This calculator will help you determine the amount of wax tape and primer needed to wrap your pipeline. Simply fill in the pipe size and length to see required amounts. |
| This calculator will help you determine the amount of wax tape and primer needed to wrap certain size flanges. |
Innercoat & Guard-Wrap |
This calculator will help you determine the amount of innercoat and guard wrap needed to protect your pipeline. |
Pigging Pressures & Flows |
Recommended pressures and flow rates for pigging can be found in this section. Typical Differential Pressure in psiLiquid Flow gpmGaseous Flow scfm Pipe I.D.for Launchingfor Running3 fps5 fps5 fps10 fps 2" 100-200 40-100 30 50 21 98 3" 100-150 35-85 70 100 46 172 4" 75-125 30-80 120 200 70. |
Pig Launching and Receiving Procedures |
Pig launchers are used at the start of the pipeline, while pig receivers are located at the end of the pipeline. Both are collectively known as pig traps, and the type to be used will depend on the design conditions of the pipe and the pig that will be run. The station design should take into consideration the handling of pigs and for debris brought in by the pigs. |
Pipeline Pig |
Complete Pipeline Pig Product Offering Pipeline Pig Types -- Foam, Cast-Urethane, Steel Body, Spheres, Gauge Pigs, Solubles Pipeline Pig Brands -- Enduro Pipeline Services, Girard Industries, Knapp Polly Pig, Maloney Technical Products, S.U.N. Engineering, T.D. Williamson Which Pipeline Pig is Right for You? Foam pigs are a useful and economical. |
Links and Partners |
This calculator will help you determine the amount of wax tape and primer needed to wrap certain size flanges. |
Recommended pressures and flow rates for pigging can be found in this section.
| Typical Differential Pressure in psi | Liquid Flow gpm | Gaseous Flow scfm | ||||
|---|---|---|---|---|---|---|
| Pipe I.D. | for Launching | for Running | 3 fps | 5 fps | 5 fps | 10 fps |
| 2" | 100-200 | 40-100 | 30 | 50 | 21 | 98 |
| 3" | 100-150 | 35-85 | 70 | 100 | 46 | 172 |
| 4" | 75-125 | 30-80 | 120 | 200 | 70 | 273 |
| 6" | 50-100 | 30-75 | 250 | 450 | 134 | 498 |
| 8" | 30-80 | 25-70 | 450 | 800 | 238 | 749 |
| 10" | 30-60 | 25-50 | 750 | 1,250 | 317 | 957 |
| 12" | 30-50 | 20-45 | 1,000 | 1,800 | 458 | 1,223 |
| 14" | 20-50 | 15-40 | 1,400 | 2,500 | 518 | 1,665 |
| 16" | 15-45 | 10-40 | 1,800 | 3,000 | 540 | 1,901 |
| 18" | 15-40 | 10-30 | 2,000 | 4,000 | 683 | 2,406 |
| 20" | 10-25 | 5-20 | 2,800 | 5,000 | 843 | 2,542 |
| 24" | 10-25 | 5-20 | 4,000 | 7,000 | 1,214 | 3,661 |
| 30" | 10-20 | 5-15 | 7,000 | 11,000 | 1,897 | 4,757 |
| 36" | 10-20 | 5-10 | 10,000 | 16,000 | 2,732 | 6,850 |
| 40" | 10-20 | 5-10 | 12,000 | 20,000 | 3,373 | 8,457 |
| 42" | 10-20 | 5-10 | 13,000 | 22,000 | 3,718 | 9,324 |
| 48" | 10-20 | 5-10 | 17,000 | 27,500 | 4,857 | 12,178 |
Notes: The above information is to be used as guidelines only and not to be considered absolutes. A number of factors can vary the above information including type of product, temperature, viscosity and type of pig being used.
*Numbers shown above for Gaseous flow assume no line pressure and only uses the gas to move pig. For accurate calculations on velocity of gas in feet per second we recommend using the following formula:
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Links
Pigging in the context of pipelines refers to the practice of using devices known as "pigs" to perform various maintenance operations on a pipeline. This is done without stopping the flow of the product in the pipeline.
These operations include but are not limited to cleaning and inspecting the pipeline.
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This calculator can be used to calculate the speed and time required for a pig to travel through an oil or other liquid pipeline. Just plug in the data in the field below and press calculate. Read more about Pipeline Pigs.
This calculator will help you determine the amount of wax tape and primer needed to wrap your pipeline. Simply fill in the pipe size and length to see required amounts.