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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 and a Seal Type Designation of 51. It features a rubber gasket and a spring made from 316…

SKU 3G-OTH-96574

Also listed as: 5113705 · 51 137 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
51-137-05
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 and a Seal Type Designation of 51. It features a rubber gasket and a spring made from 316 Stainless Steel, identified by manufacturer part number 51-137-05.

Frequently Asked Questions

What is the FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal used for?

The FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal is used to prevent fluid leakage along rotating pump shafts in industrial applications such as water treatment, chemical processing, and general manufacturing. Its single spring design and rubber gasket provide reliable sealing in standard-duty pumps.

What are the specifications of the FLOWSERVE 51-137-05 mechanical shaft seal?

The FLOWSERVE 51-137-05 is a mechanical shaft seal with Seal Type Designation 51. It features a single spring made from 316 Stainless Steel and a rubber gasket. The narrow cross-section design suits compact pump housings. Manufacturer part number is 51-137-05.

Where to buy the FLOWSERVE 51-137-05 shaft seal worldwide?

You can source the FLOWSERVE 51-137-05 shaft seal worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the FLOWSERVE narrow cross-section pump shaft seal?

To install the FLOWSERVE narrow cross-section seal, ensure the shaft and housing bore are clean and free of burrs. Lubricate the rubber gasket and seal face lightly with compatible fluid. Press the seal evenly into the bore without damaging the sealing faces. 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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