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FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal: Mechanical Shaft Seal, 51 - Mechanical Shaft Seals
FLOWSERVEMechanical Shaft Seals

FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal: Mechanical Shaft Seal, 51

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

SKU 3G-OTH-95737

Also listed as: 5111205 · 51 112 05

Brand
FLOWSERVE
Item
Narrow Cross-section Replacement Pump Shaft Seal: Mechanical Shaft Seal, 51
Category
Mechanical Shaft Seals
Available to Order
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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
51-112-05
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 type 51. It features a rubber gasket and a spring constructed from 316 stainless steel. This seal replaces seal 5P373 and is identified by manufacturer part number 51-112-05.

Frequently Asked Questions

What is the FLOWSERVE 51-112-05 mechanical shaft seal used for?

The FLOWSERVE 51-112-05 is a narrow cross-section replacement pump shaft seal used in industrial pumps to prevent fluid leakage along the rotating shaft. It is commonly applied in water treatment, chemical processing, and general manufacturing where a compact, single-spring seal is required.

What are the specifications of the FLOWSERVE 51-112-05 shaft seal?

The FLOWSERVE 51-112-05 is a mechanical shaft seal, type 51, with a single spring design. It has a rubber gasket and a spring made from 316 stainless steel. This seal replaces OEM seal 5P373 and is identified by manufacturer part number 51-112-05.

Where to buy the FLOWSERVE 51-112-05 shaft seal worldwide?

You can source the FLOWSERVE 51-112-05 shaft seal through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this FLOWSERVE seal.

How to install the FLOWSERVE 51-112-05 mechanical shaft seal?

To install the FLOWSERVE 51-112-05, first ensure the shaft and housing bore are clean and free of burrs. Lubricate the rubber gasket and seal face with a compatible fluid. Press the seal evenly onto the shaft using a sleeve or installation tool, avoiding damage to the sealing faces.

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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