What is a Steel Mandrel Pig?

A Steel body Mandrel Pig falls under the category of a Utility Pig. Utility pigs are used for sealing or cleaning.

Mandrel pigs consist of a steel mandrel pig body and a combination of pig parts including cups, discs and brushes.  Inline offers six styles of mandrel pigs: BD6, BD6-RB, BD6-BR, BA-2, ISTE, and the Pit Cleaning® pig, all designed with different configurations of pig parts to for different pipeline cleaning applications.

Steel mandrel pigs can also be configured with gauge plates for pipeline gauging.  Inline can configure a mandrel pig for gauging with gauge plates manufactured on-site. Gauge plates can also be purchased separately and most orders can be filled within 24hrs.

What are the benefits of using a Steel Mandrel Body Pig?

The steel body construction offers unmatched durability and the unique ability to reuse and redress the body with a variety of pig part combinations to best suit the application.  Mandrel pigs are also bi-directional and capable of traveling in either direction in the pipeline.

Click here to read more about how to tell if a mandrel pig is the best choice for your next pigging project.

What are the applications for a Steel Mandrel Body Pig?

Mandrel pigs are excellent choices for:

Are There Services Available to Dress Mandrel Pigs?

Absolutely! Inline offers pig dressing services on all our mandrel pigs.  Hiring experts like Inline Services can save your company thousands of dollars in time and labor costs.  We have all the right tools to redress a pig quickly and easily.  Click here to read more about why you should let the pigging experts at Inline Services redress your mandrel pigs.

  • Inline’s Pit Cleaning™ Pig is one of the most aggressive mandrel body cleaning pigs on the market. It is equipped with four discs, heavy wire pencil brushes and HZ spring brushes for superior pit cleaning. This pig can be custom built to meet specific job requirements. Multiple pencil brushes on this pig are used for cleaning black powder, wax, mill scale and rust from the inside of pipe and can get into the smallest of pits. This pig will ensure there is maximum cleaning coverage inside the pipe.  
    • Size Range – 6″ - 48″
    • 4 discs
    • 2 Pit Cleaning™ Brushes
    • HZ brushes around the body for aggressive pit cleaning
    • Transmitter housing
    Download the Pig Cleaning™ Pig Datasheet
  • The BA-2 pig is constructed of a steel mandrel body and two DC Cups poured from Inline's MAXITHANE™. This pig is best used for batching dissimilar liquids out of a pipeline. The two cup construction provides a tight seal between liquid compounds. The cups can be changed to different sizes depending on the specific job.  
    - Sizes 4" - 48" - 2 Cups
    - Gauging Plate - Transmitter Cavity - Magnets
     
    Download the BA-2 Datasheet
  • The BD6 is assembled with 4 seal discs and 2 guide discs. The disc combination offers good elasticity and abrasion resistance. The BD6 has a steel mandrel body and can be built in many different ways depending on the job. This pig can be run bidirectional and is used for separation of liquids, wax removal and general cleaning purposes.  
    - Sizes 12" - 48" - 6 Discs (2 guides, 4 seal) - Bi-Directional
    - Spring loaded brushes - Ring brushes - Polyblades - Transmitter housing
    Download the BD6 Datasheet
  • The BD6-RB is built similar to that of the BD6 pig, however it has two added ring brushes. These brushes easily bolt onto the pig body making this pig capable of superior scraping. Applications for the BD6-RB include batching, wax removal, liquid removal and general cleaning.  
    - Sizes 4" - 56" - 6 Discs (2 guides, 4 seal) - Ring brushes for cleaning - Superior sealing and scraping - Bi-Directional
    - Ring Brushes - Poly blades - Transmitter Housing
    Download the BD6-RB Datasheet
  • The BD6-BR is a steel mandrel brush pig assembled with HZ brushes, two guide discs and 4 seal discs. This pig can run bidirectionally. It is used in applications for wax and liquid removal, batching and general cleaning.  
    • Size Range – 12″ - 48″
    • 6 discs - 2 guides, 4 seals
    • HZ brushes for cleaning
    • Superior sealing and scraping
    • Bi-directional
    • Ring brushes
    • Polyblades
    • Transmitter housing
    Download the BD6-BR Datasheet
  • The ISTE pig is constructed of a steel mandrel body with spring mounted HZ brushes, two DC cups and three seal discs. The cups and discs are made of MAXITHANE™, Inline's custom blend of polyurethane. The ISTE pig is used for extreme cleaning, removal of black powder and wax, and batching out unwanted materials.  
    - Size Range: 12" to 48" - 3 Seal Discs, 2 DC Cups - HZ brushes for heavier cleaning - Superior sealing and scraping
    - Ring brushes - Polyblades - Transmitter housing
     
    Download the ISTE Datasheet