drumclosure
https://www.drumclosure.com/products/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 barrel bung plugs.
Most common raw mateial for plastic bung 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.
Metal drum cap seal or plastic drum cap 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 lock ring, drum closure, drum bung fittings, etc. For more information, please feel free to contact us!