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MYNOV is a single sign-on solution.
Access multiple NOV applications and services with one login.
Register here Sign inBig Stuff High-Performance Lubricating Upper Gland
Ensure a secondary seal against environmental leaks in the Hercules HP Big Stuff stuffing box.
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Description
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Specifications
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Resources
Description
The Big Stuff High-Performance Lubricating Upper Gland (HPLUG) provides a secondary seal against possible environmental leaks in the Hercules™ HP Big Stuff stuffing box and must be used with an anti-pollution adapter or leak detector. Models can be NACE MR0175 and include V-ring packing and grease zerks for periodic greasing. Please contact customer service when adapting the HPLUG to an existing Hercules stuffing box.
Specifications
Big Stuff High-Performance Lubricating Upper Gland Specifications
| Available rod sizes (inches) | 1⅛, 1¼, 1½, and 1¾ |
| Available V-ring packing | NBR, HSN, FMK, or Kevlar |