Plastic plugs inserts are the best way to protect both threaded and non-threaded pipe ports. Not only do these items reduce deterioration along the interior of the equipment’s tubing, but some models also help enhance functionality. Comprised of plastic, rubber, or silicone, these products create an air-tight seal against the piping’s interior and block out anything that could cause corrosion. So when you’re looking to preserve the longevity of your equipment, these plugs are a tool you should have at your disposal.
Polymer Molding manufactures a series of plastic pipe plugs designed to keep components safe from the elements. From electrical currents to water and heat, we carry the products you need for any type of condition. Search our diverse offerings below to find the most accommodating models for your parts.

Tapered Series

PR Series

P Series

YP Series

F&R Series

FP Series

FFP Series

PI Series

UP Series

HP Series

HPL Series

HPL Nylon Series

SLP Series

SLPP Series

SFP Series

DWPP Series

DSWP Series

SDP Connector

SFPP Series

SFMP Series

SMFP Series

SMTP Series

SHTP Series

SHPT Series

SLFP Series

STFP Series

SWPP Series

SPPT Series

STI Series

RTI Series

REC Series