Case study · Pharmaceutical plants · Nashik
20 years of agitator seals at GSK Nashik
GlaxoSmithKline Pharmaceuticals Limited’s plant in Ambad, Nashik, has bought Indo Seals agitator seals continuously for 20 years, on shafts from 38 to 80 mm. Each seal runs about 2 years between replacements, and the plant recommended Indo Seals to its equipment OEM.
At a glance
Three numbers
| Figure | What it means |
|---|---|
| 20 years | Continuous supply to the plant |
| About 2 years | Service life of each seal between replacements |
| 38–80 mm | Shafts on top-entry and bottom-entry agitators |
Plant
The plant
GSK’s pharmaceutical plant sits in Ambad Industrial Area, Nashik. Its process vessels use agitators, both top-entry and bottom-entry, built in SS 304 and SS 316 and running at 2 bar.
Supply
What we supply
We supply the ISPL 24555, a single agitator seal with its own bearing, made to each shaft size the plant uses.
| Detail | Value |
|---|---|
| Seal | ISPL 24555, single agitator seal with bearing |
| Shaft sizes | 38, 40, 60 and 80 mm |
| Mounting | Top-entry and bottom-entry agitators |
| Equipment material | SS 304 and SS 316 |
| Pressure | 2 bar |
| Service life | About 2 years between replacements |
Performance
How the seals have run
The plant has reordered ISPL 24555 seals continuously for 20 years. Each seal runs about 2 years before it is replaced. In its October 2026 feedback, the plant told our team the seals perform satisfactorily and work properly in their applications.
OEM
From one plant to its equipment maker
GSK Nashik recommended Indo Seals to its equipment OEM. That OEM now fits Indo Seals agitator seals on equipment it supplies to other plants.
For you
What this means for your plant
- Seals made to your shaft size, for top-entry and bottom-entry agitators
- About 2 years between replacements at GSK Nashik’s duty
- The same seal again when it is due, from the same team in Nashik
Agitator seals for your plant? Tell us the duty.
Rather talk? Call +91 80702 23300 or WhatsApp an engineer.





