FLOWSERVE Shaft Seal: Mechanical Shaft Seal, 21, 1 1/4 in Shaft Dia., Cooking Oil
The FLOWSERVE Shaft Seal is a mechanical shaft seal with a single spring design, designated as Type 21. It features a carbon ring, Viton gasket, and 18-8 spring material, and is designed for a 1 1/4 in shaft diameter…
SKU 3G-OTH-95431
Also listed as: 2112506 · 21 125 06
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The FLOWSERVE Shaft Seal is a mechanical shaft seal with a single spring design, designated as Type 21. It features a carbon ring, Viton gasket, and 18-8 spring material, and is designed for a 1 1/4 in shaft diameter with cooking oil compatibility.
Frequently Asked Questions
What is the FLOWSERVE Shaft Seal Type 21 used for?
The FLOWSERVE Shaft Seal Type 21 is a mechanical shaft seal designed for rotating equipment handling cooking oil. It prevents leakage along a 1 1/4 in shaft in pumps, mixers, or agitators in food processing and industrial applications where carbon and Viton materials provide chemical compatibility.
What are the specifications of the FLOWSERVE 21-125-06 shaft seal?
The FLOWSERVE 21-125-06 is a Type 21 mechanical shaft seal with a single spring design. It has a carbon rotating ring, a Viton gasket, and an 18-8 stainless steel spring. It fits a 1 1/4 in shaft diameter and is compatible with cooking oil service.
Where to buy FLOWSERVE shaft seals worldwide?
3G Electric supplies FLOWSERVE shaft seals worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the FLOWSERVE Type 21 seal (MPN 21-125-06) for cooking oil applications.
How to install a FLOWSERVE Type 21 mechanical seal?
Ensure the shaft and housing bore are clean and free of burrs. Lubricate the Viton gasket and carbon face with cooking oil. Slide the seal assembly onto the 1 1/4 in shaft, then tighten the set screws evenly. Follow FLOWSERVE's generic installation guide for single spring seals to avoid face damage.
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3G Electric supplies FLOWSERVE mechanical shaft seals. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
