Plastic Bung

Plastic barrel bung plugs  has different sizes and thread designs to meet varied sealing requirements of steel drums and plastic drums. Steel drum requires plastic barrel plugs with fine thread, and it needs to follow the same standard as steel drum plug. Plastic drums usually require 2'' and 3/4'' NPT or 2'' NPS or 2'' buttress plastic bungs.

Most common raw mateial for plastic drum plug is PP, and nylon material is made for flammable and explosive proof purpose. Type of gasket used is determined by contents within the drums. There are high temperature, chemical, oil resistant gaskets that come with the plastic bungs.

Types of plastic drum plugs

Steel Drum Plastic Bung

Buttress Plastic Bung

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Features of Plastic Bung

Steel Drum Plastic Bung

Standardized in size of 2 inch and 3/4 inch, steel drum plastic bung is suitable with standard steel drum flange.

Nylon Drum Bung

Special property of nylon drum bung allows it soften and pop out under the relieving pressure from the steel drum.

Buttress Platic Bung

Varied in size and design, buttress platic bung needs to be selected according to HDPE drum design.

How to use Plastic Bung

It is necessary to understand the neck mouth type and filers in tight head steel drum or plastic drum, and figure out whats is the suitable thread and gasket of the plastic bung choice for your drum. Any improper factor will reduce sealing performance.

Drum wrench needs to be used while screwing the drum plug, applying proper torque assures the contents is well secured.

Metal drum cap seal or plastic drum caps seal needs to be installed, aiming at double securing the inner contents as well as the neck mouth.

As one of the most professional plastic bungs suppliers, we provide drum bung fittings , drum closure, drum bung fittings , etc. For more information, please feel free to contact us!