Description
EMT is the manufacturer of many types of pipeline pigs. Different kinds of pigs have various functions. At the same time, they are all going for one purpose: cleaning the pipelines. Different pipeline pigs were chosen according to different working conditions. This article will talk about different Pipeline Pigs Types that our EMT team can provide.
Foam Pigs
Foam pigs are one of the Pipeline Pigs Types. Usually, they are separated by three densities: low density(1.5- 2lb/Cu.ft), mid-density (5-7lb/Cu.ft), and high density (8- 10lb/Cu.ft). The low-density foam pigs are good at dewatering. Mid-density foam pigs are better at cleaning. While high-density foam pigs have the best cleaning effects among them. According to different needs, the foam pigs can also be added brushes to have a better cleaning effect.
| Name | Model | Performance | Technical Parameters |
| Hygroscopic Foam Pig | LCQZ-RTH | 1. It is formed by one-time foaming of polyether polyurethane material. | Starting pressure: 0.2-0.3 MPa |
| 2. Soft texture, and good elasticity. | Density: 35 kg/m³~150 kg/m³ | ||
| 3. It has strong water absorption performance. And the deformation amount can reach 70%. | Withstand pressure: 7 MPa | ||
| 4. Remarkable effect on dewatering, degreasing, and drying of pipelines. | Stretch rate: 320% | ||
| Compression ratio: 60 | |||
| Flex life: 50,000 times | |||
| Attrition rate: 4 mm/100 km | |||
| Operating distance: 50 km~150 km | |||
| Operating temperature: -30℃~100℃ |
Solid Cast Pigs
Solid cast pigs in the picture own three cups. Cup pigs can only go single direction. The design with one cup in front and two cups in the back helps the pig clean debris and impurities more thoroughly. If you want a better cleaning, four cups can also be customized. Three cups of solid cast pig is more cost-effective than four cups.
| Polyurethane material specification: | ||
| NO. | Factory inspection main indicators | Cup/DISC |
| 1 | 20℃Hardness(SHORE A) | 85±2 |
| 2 | Tensile strength (MPa) | 51.7 |
| 3 | 100%stress at definite elongation (MPa) | 4.8 |
| 4 | 300%stress at definite elongation (MPa) | 9.2 |
| 5 | Tensile set (%) | 780 |
| 6 | Tear strength (KN/m) | 73 |
| 7 | Impact resilience (%) | 32 |
| 8 | DIN abrasion (mm²) | 35 |
Mechanical Cleaning Pigs
Mechanical cleaning pigs are separated into two big categories: cleaning pigs with cups and cleaning pigs with discs. The flexible nature of the cups allows them to conform to the inner contours of the pipeline, ensuring thorough cleaning. They can effectively scrape away deposits like wax, scale, and other debris. Cleaning pigs with discs have a strong scraping action, which is ideal for removing tough deposits and encrustations from the pipeline walls. The discs can flex and adapt to various pipeline diameters and shapes. This flexibility ensures effective cleaning even in pipelines with complex geometries.
| Name | Oil Pipe Pig |
| Material | 1. steel framework main body. |
| 2. The disc material used to be Polyurethane, Viton, Neoprene, Nitrile butadiene etc. | |
| 3. The cup material used to be Polyurethane, Viton, Neoprene, Nitrile butadiene etc. | |
| 4. Steel brush or nylon brush. | |
| Feature | 1. Firstly, good wearing resistance. |
| 2. Secondly, strong passing ability. | |
| 3. Nice cleaning performance. | |
| 4. Then accurate location and tracking. | |
| 5. At last, a low rate of false positives. | |
| Packing way | packed pipe cleaning pigs with inner plastic film and outer plywood wooden case. |
| Payment | TT/LC |
| Advantage | 1. Firstly, good sealing performance. |
| 2. Secondly, high wear resistance. |
Cleaning Balls
Cleaning balls are straightforward to deploy and use. They can be introduced into the pipeline through standard launching stations. These balls provide uniform cleaning action throughout the pipeline. Their rolling motion helps dislodge debris and deposits. When using them, you need to ensure the cleaning balls are compatible with the pipeline material and the substances being transported to avoid degradation. Besides, determine the appropriate frequency for using cleaning balls based on pipeline conditions and the type of deposits. Verify that the operational parameters, such as pressure and flow rate, are suitable for the cleaning balls being used.
Fluoro Rubber Cleaning Pigs
Fluoro rubber pigs are highly resistant to a wide range of chemicals, making them suitable for pipelines transporting aggressive substances. These pigs can operate effectively in a broad temperature range, maintaining their integrity in both high and low-temperature environments. Fluoro rubber is known for its durability, providing a long service life even under harsh conditions.
| Name | Customized Foam Pig | ||||
| Material | Polyurethane | ||||
| Light Density | 0.02-0.3g/m3 | ||||
| Medium Density | 0.08-0.12g/m3 | ||||
| Heavy Density | 0.13-0.16g/m3 | ||||
| Feature | 1. High wear resistance | ||||
| 2. Good cleaning performance | |||||
| 3. Low cost | |||||
| Payment | TT/LC | ||||
| Advantage | 1. They are lightweight and flexible. | ||||
| 2. Nice cleaning efficiency. | |||||
| 3. Accurate location tracking. | |||||
ABS Pigs
ABS Pigs are also one of the Pipeline Pigs Types. The pigs are made from acrylonitrile butadiene styrene, a material known for its high strength and durability. Before using the ABS Pigs, you should verify that the pressure and temperature conditions are within the operational limits of ABS pigs. Besides, they can be used in a variety of pipeline diameters and are effective in both liquid and gas pipelines.
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