(function (w, d, s, l, i) { w[l] = w[l] || []; w[l].push({ 'gtm.start': new Date().getTime(), event: 'gtm.js' }); var f = d.getElementsByTagName(s)[0], j = d.createElement(s), dl = l != 'dataLayer' ? '&l=' + l : ''; j.async = true; j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window, document, 'script', 'dataLayer', 'GTM-WW3Q98L');
A technician handles a High Performance Lubricating Upper Gland

High-Performance Lubricating Upper Gland

Ensure a secondary seal against environmental leaks in the Hercules Classic stuffing box.

  • Description Description
  • Ruler Specifications
  • Resources Resources

Our High-Performance Lubricating Upper Gland (HPLUG) provides a secondary seal against potential environmental leaks in the Hercules™ classic stuffing box and must be used with an anti-pollution adapter. Models include V-ring packing and grease zerks for periodic greasing. Please contact customer service when adapting an HPLUG to an existing Hercules stuffing box.


High-Performance Lubricating Upper Gland Specifications

Available rod sizes (inches) 1⅛, 1¼, 1½, and 1¾
Available V-ring packing NBR, HSN, FMK, or Kevlar
  • Production Service Hookup Brochure