FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 1/2 in Shaft Dia.
The FLOWSERVE Replacement Pump Shaft Seal is a mechanical shaft seal with a single spring design, featuring a rubber gasket and stainless steel spring. Designated as Seal Type 21, it has a 1/2 in shaft diameter and…
SKU 3G-OTH-94944
Also listed as: 2105043 · 21 050 43
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 Replacement Pump Shaft Seal is a mechanical shaft seal with a single spring design, featuring a rubber gasket and stainless steel spring. Designated as Seal Type 21, it has a 1/2 in shaft diameter and is suitable for use with cooking oil. This seal replaces Seal 1R301 and is identified by manufacturer part number 21-050-43.
Frequently Asked Questions
What is the FLOWSERVE 21-050-43 mechanical shaft seal used for?
The FLOWSERVE 21-050-43 mechanical shaft seal is designed for use in pumps handling cooking oil. It is a Type 21 single-spring seal with a 1/2 in shaft diameter, suitable for industrial food-grade fluid applications where a rubber gasket and stainless steel spring provide reliable sealing.
What are the specifications of the FLOWSERVE 21-050-43 seal?
The FLOWSERVE 21-050-43 is a mechanical shaft seal with a 1/2 in shaft diameter, single spring design, rubber gasket, and stainless steel spring. It is Seal Type 21, replaces Seal 1R301, and carries manufacturer part number 21-050-43. It is suitable for cooking oil applications.
Where to buy the FLOWSERVE 21-050-43 seal worldwide?
3G Electric supplies the FLOWSERVE 21-050-43 mechanical shaft seal worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this seal for your pump maintenance needs.
How to install the FLOWSERVE 21-050-43 mechanical shaft seal?
To install the FLOWSERVE 21-050-43 seal, ensure the shaft and housing bore are clean and free of burrs. Lubricate the rubber gasket and seal face with compatible oil. Press the seal evenly onto the 1/2 in shaft without damaging the sealing faces. Follow pump manufacturer guidelines for proper alignment.
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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.
