Heavy Duty Pump Shaft Seal Type 21 For One And A Quarter Inch Shafts Buna Carbon Face Ceramic Cup Seat Cup Mount Mechanical Seal For Industrial Pumps And Equipment

Heavy Duty Type 21 Shaft Seal for 1-1/4 in Pumps - Single
✔️ Buna elastomer, carbon face, ceramic cup seal for 1-1/4 in shafts

The heavy duty Type 21 mechanical seal is designed for industrial pumps and equipment requiring a 1-1/4 inch shaft. It uses Buna elastomer with a carbon face and a ceramic cup for reliable sealing in demanding fluid systems.

✅ Shaft size: 1-1/4 in
✅ Materials: Buna elastomer, carbon face, ceramic cup
✅ Cup dimensions: Ceramic cup (1.875 x 0.437)
✅ Mounting: Cup seat cup mount mechanical seal for industrial pumps and equipment

💡 What is a mechanical seal used for in industrial pumps and how does Type 21 with Buna and ceramic components work?

In short, it seals fluid along a rotating shaft by using hard faces paired with elastomer seals.

- Prevents leaks along rotating shafts in pumping systems

- Type 21 design uses Buna elastomer, carbon face, ceramic cup

- Suitable for industrial pumps and equipment with 1-1/4 inch shafts

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