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FLOWSERVE Mechanical Shaft Seal Type 51 - Mechanical Shaft Seals
FLOWSERVEMechanical Shaft Seals

FLOWSERVE Mechanical Shaft Seal Type 51

The FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal is a mechanical shaft seal with a single spring design, designated as Seal Type 51. It features a rubber gasket and a 316 stainless steel spring, and is…

SKU 3G-OTH-97420

Also listed as: 5110005 · 51 100 05

Brand
FLOWSERVE
Item
Mechanical Shaft Seal Type 51
Part Number
51-100-05
Category
Mechanical Shaft Seals
Available to Order
Also known as:51-100-05FLOWSERVE
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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
51-100-05
Type
: Mechanical Shaft Seal, 51, Single Spring
Spring Type
Single Spring
Gasket Material
Rubber
Spring Material
316 Stainless Steel
Seal Type Designation
51

Technical Documents

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

Product Description

The FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal is a mechanical shaft seal with a single spring design, designated as Seal Type 51. It features a rubber gasket and a 316 stainless steel spring, and is identified by manufacturer part number 51-100-05. This seal replaces Seal 5P370.

Frequently Asked Questions

What is the FLOWSERVE 51-100-05 mechanical shaft seal used for?

The FLOWSERVE 51-100-05 is a narrow cross-section replacement pump shaft seal used in industrial pumps to prevent fluid leakage along the rotating shaft. It is common in water, chemical, and general process applications where a compact, single-spring seal is required.

What are the specifications of the FLOWSERVE 51-100-05 seal?

The FLOWSERVE 51-100-05 is a mechanical shaft seal, Type 51, with a single spring design. It has a rubber gasket and a 316 stainless steel spring. It replaces Seal 5P370 and is identified by manufacturer part number 51-100-05.

Where to buy the FLOWSERVE 51-100-05 pump shaft seal worldwide?

3G Electric supplies the FLOWSERVE 51-100-05 mechanical shaft seal to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this narrow cross-section replacement seal.

How to install the FLOWSERVE 51-100-05 mechanical shaft seal?

Install the FLOWSERVE 51-100-05 seal by carefully cleaning the shaft and housing bore, lubricating the rubber gasket and seal face with a compatible fluid, and pressing the seal into place without damaging the sealing surfaces. Follow pump manufacturer guidelines for proper 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
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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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