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 Knapp Pipeline Cleaners

Nova-Cast Pig
Cast Urethane Pigs

Metal Mandrel Pigs
Metal Mandrel Pigs
Blackbelt Pig
Urethane Foam Pigs
Pipeline Spheres
Spheres
Custom Pipeline Pig
Custom Design Pigs
Pipeline Cups and Discs
Cups and Discs


Pipeline Pig Catalogs
Catalogs

Mary Knapp and Big Pig

Alll Pigs Logo

Knapp Manufactures ALL Types of Pipeline Utility Pigs

 
Pipeline Cleaning Pigs

Urethane Foam Pigs

The originators of the Polly Pig, Knapp continues to lead the industry in manufacturing the most complete line of urethane foam bodied pigs.
Solid Cast Urethane Pipeline Pigs

Solid Cast Urethane Pigs

The originators of the Polly Pig, Knapp continues to lead the industry in manufacturing the most complete line of urethane foam bodied pigs.


Pipeline Spheres

Sphere Pigs

Knapp manufactures a comprehensive line of pipeline spheres that includes inflatable, solid cast urethane, solid cast with foam core, and a urethane foam series.


 

Metal Mandrel Pigs

Metal Mandrel Pigs

Knapp manufactures a full line of metal mandrel pigs with replaceable urethane discs, cups and wire brushes.


Custom Pipeline Pigs

Custom Designed Pigs

Knapp manufactures custom designed pigs for specific applications that require more from a pig than is offered by a standard "off-the-shelf" pigs.


Urethane Cups and Discs

Urethane Cups and Discs

Knapp manufactures all types of replacement cups and discs for any manufacturer's metal mandrel pipeline pigs.


Pipeline Cleaning Pigs
Knapp Polly Pig,Inc.
1209 Hardy Street
Houston, TX 77020
713 222-0146
800 231-7205
 

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