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FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 5/8 in Shaft Dia. - Mechanical Shaft Seals
FLOWSERVEMechanical Shaft Seals

FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 5/8 in Shaft Dia.

The FLOWSERVE Replacement Pump Shaft Seal is a mechanical shaft seal with a single spring design, designated as Type 21. It features a rubber gasket and a stainless steel spring, and is designed for a 5/8 in shaft…

SKU 3G-OTH-95107

Also listed as: 21062152 · 21 062 152

Brand
FLOWSERVE
Item
Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 5/8 in Shaft Dia.
Category
Mechanical Shaft Seals
Available to Order
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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.

Technical Specifications

FLOWSERVE
Manufacturer Part Number
21-062-152
Type
21, Cooking Oil
Shaft Dia.
5/8 in
Spring Type
Single Spring
Gasket Material
Rubber
Spring Material
Stainless Steel
Seal Type Designation
21

Technical Documents

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FLOWSERVE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FLOWSERVE Replacement Pump Shaft Seal is a mechanical shaft seal with a single spring design, designated as Type 21. It features a rubber gasket and a stainless steel spring, and is designed for a 5/8 in shaft diameter, suitable for use with cooking oil (MPN 21-062-152).

Frequently Asked Questions

What is the FLOWSERVE Type 21 mechanical shaft seal used for?

The FLOWSERVE Type 21 mechanical shaft seal is used to prevent leakage along rotating shafts in pumps handling cooking oil. It is suitable for industrial food processing applications where a single spring design and rubber gasket provide reliable sealing for a 5/8 in shaft diameter.

What are the specifications of the FLOWSERVE 21-062-152 shaft seal?

The FLOWSERVE 21-062-152 is a Type 21 mechanical shaft seal with a single spring design. It has a 5/8 in shaft diameter, a rubber gasket, and a stainless steel spring. It is designed for use with cooking oil and carries the manufacturer part number 21-062-152.

Where to buy FLOWSERVE Type 21 shaft seals worldwide?

3G Electric supplies FLOWSERVE Type 21 shaft seals worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the FLOWSERVE 21-062-152 mechanical shaft seal for your application.

How to install a FLOWSERVE Type 21 mechanical shaft seal?

To install a FLOWSERVE Type 21 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 shaft until seated, then secure the gland. Follow pump manufacturer guidelines for torque and alignment.

Used in

Common applications for FLOWSERVE
Water and wastewater pumping — FLOWSERVE Type 21 mechanical seal (e.g., MPN 21-100-10) for centrifugal pumps in municipal water treatment
Hydrocarbon processing — FLOWSERVE Type 68 mechanical seal (e.g., MPN 68-062-214) for diesel and light oil transfer pumps
Food processing — FLOWSERVE Type 21 seal (MPN 21-137-04) for cooking oil circulation pumps in edible oil refineries
Chemical transfer — FLOWSERVE Type 51 narrow cross-section seal (MPN 51-087-05) for compact chemical dosing pumps
HVAC and cooling systems — FLOWSERVE Type 16 unitized rotary seal (MPN 16-062-11) for chilled water pump shaft sealing
General industrial mixing — FLOWSERVE Type 52 narrow cross-section seal (MPN 52-125-05) for agitator shafts in batch processing tanks

FLOWSERVE Products

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.

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FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 5/8 in Shaft Dia., Cooking Oil (MPN 21-062-19)
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