FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 1 3/8 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 material. Designated as Seal Type 21, this model (MPN 21-137-04)…
SKU 3G-OTH-95469
Also listed as: 2113704 · 21 137 04
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 material. Designated as Seal Type 21, this model (MPN 21-137-04) is designed for a 1 3/8 in shaft diameter and is suitable for use with cooking oil.
Frequently Asked Questions
What is the FLOWSERVE 21-137-04 mechanical shaft seal used for?
The FLOWSERVE 21-137-04 mechanical shaft seal is designed to prevent leakage in rotating pump shafts handling cooking oil. It is commonly used in food processing, industrial kitchens, and edible-oil transfer systems where a reliable, single-spring seal with a rubber gasket is required.
What are the specifications of the FLOWSERVE 21-137-04 shaft seal?
The FLOWSERVE 21-137-04 is a Seal Type 21 mechanical shaft seal with a 1 3/8 in shaft diameter. It features a single spring design, a rubber gasket, and stainless steel spring material. This model is specifically rated for use with cooking oil applications.
Where to buy the FLOWSERVE 21-137-04 shaft seal worldwide?
3G Electric supplies the FLOWSERVE 21-137-04 mechanical shaft seal to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this genuine FLOWSERVE part.
How to install a FLOWSERVE 21-137-04 mechanical shaft seal?
Install the FLOWSERVE 21-137-04 seal by carefully cleaning the shaft and housing bore, lubricating the rubber gasket with compatible oil, and pressing the seal evenly onto the 1 3/8 in shaft. Avoid damaging the sealing faces. Always follow the pump manufacturer's installation instructions for best results.
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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.
