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FLOWSERVE Type 21 Mechanical Shaft Seal - Mechanical Shaft Seals
FLOWSERVEMechanical Shaft Seals

FLOWSERVE Type 21 Mechanical Shaft Seal

<p>The FLOWSERVE Type 21 Mechanical Shaft Seal is a reliable single spring seal designed for a 1-7/8 inch shaft diameter. With a working length of 1.38 inches, this seal features a carbon ring, Buna gasket, and 18-8…

SKU 3G-OTH-96620

Also listed as: 2118714 · 21 187 14

Brand
FLOWSERVE
Item
Type 21 Mechanical Shaft Seal
Part Number
21-187-14
Category
Mechanical Shaft Seals
Available to Order
Also known as:21-187-14FLOWSERVE
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Technical specs
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

FLOWSERVE
Manufacturer Part Number
21-187-14
Type
21, 18-8
Shaft Dia.
1 7/8 in
Working Lg
1.38 in
Spring Type
Single Spring
Ring Material
Carbon
Gasket Material
Buna
Spring Material
18-8
Seal Type Designation
21

Technical Documents

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

Product Description

<p>The FLOWSERVE Type 21 Mechanical Shaft Seal is a reliable single spring seal designed for a 1-7/8 inch shaft diameter. With a working length of 1.38 inches, this seal features a carbon ring, Buna gasket, and 18-8 stainless steel spring, ensuring durability in various industrial applications. It is commonly used in pumps and rotating equipment where a dependable seal is essential.</p><p>As a Singapore-based supplier, 3G Electric offers this seal with worldwide shipping. Request an SGD quote for your procurement needs, and enjoy GST handling for local buyers. Fast delivery across Singapore and Southeast Asia ensures minimal downtime for your operations.</p>

Frequently Asked Questions

What are the key specifications of the FLOWSERVE Type 21 seal?

The seal has a shaft diameter of 1-7/8 inches, a working length of 1.38 inches, a carbon ring, Buna gasket, and an 18-8 stainless steel spring. The manufacturer part number is 21-187-14.

Can I get a quote in SGD and fast delivery in Singapore?

Yes, 3G Electric provides SGD quotes on request. For Singapore buyers, GST is handled, and we offer fast delivery across Singapore and Southeast Asia.

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
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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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