Knapp Pipeline Cleaners

Nova-Cast Pig
Cast Urethane Pigs

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

Pipeline Pig Catalogs

Polly Pig Options

Alll Pigs Logo

Polly Pig Options

Double-dished Pipeline Pig

Double-dished ends

All Knapp Polly Pig are availble with both ends dished to enhance dewatering capabilities.

Double-nose Pig

Double-nose option

All Knapp Polly Pigs are available with noses on each end to give the pig enhanced bi-directional capability.


Pig Tracking Option

Pig Tracking Options

The All Knapp Polly Pigs larger than 2" are available with cavities and retaining doors to carry electromagnetic or acoustix transmitters used to locate the pig's position.


Pig by-pass ports

By-pass ports

All Knapp Polly Pigs are available with by-pass ports running from the base through the nose of the pig.

Pig ropes and straps

Handling ropes and straps

All Knapp Polly Pigs are available with nylon handling ropes, lifting straps or steel wire cable

Extended length Pig

Extended length option

All Knapp Polly Pigs are available in extended length versions to assist the pig in passing through piggable wyes, and offset or unbarred tees.

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

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