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FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 52, 1 7/8 in Shaft Dia., 1.5 in Working Lg - Mechanical Shaft Seals
FLOWSERVEMechanical Shaft Seals

FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 52, 1 7/8 in Shaft Dia., 1.5 in Working Lg

The FLOWSERVE Mechanical Shaft Seal, model 52-187-05, is a Type 52 mechanical shaft seal featuring a single spring design. It is constructed with a carbon ring, a Viton gasket, and a 316 stainless steel spring. This…

SKU 3G-OTH-95983

Also listed as: 5218705 · 52 187 05

Brand
FLOWSERVE
Item
Mechanical Seal: Mechanical Shaft Seal, 52, 1 7/8 in Shaft Dia., 1.5 in Working Lg
Category
Mechanical Shaft Seals
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

FLOWSERVE
Manufacturer Part Number
52-187-05
Type
52, 316
Shaft Dia.
1 7/8 in
Working Lg
1.5 in
Spring Type
Single Spring
Ring Material
Carbon
Gasket Material
Viton
Spring Material
316
Seal Type Designation
52

Technical Documents

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

Product Description

The FLOWSERVE Mechanical Shaft Seal, model 52-187-05, is a Type 52 mechanical shaft seal featuring a single spring design. It is constructed with a carbon ring, a Viton gasket, and a 316 stainless steel spring. This seal has a 1 7/8 in shaft diameter and a 1.5 in working length.

Frequently Asked Questions

What is the FLOWSERVE 52-187-05 mechanical seal used for?

The FLOWSERVE 52-187-05 is a Type 52 mechanical shaft seal designed for rotating equipment such as pumps and mixers. It prevents fluid leakage along the shaft in industrial applications including water treatment, chemical processing, and oil refining. Its single spring design and carbon ring provide reliable sealing in moderate-pressure environments.

What are the specifications of the FLOWSERVE 52-187-05 mechanical seal?

The FLOWSERVE 52-187-05 has a 1 7/8 in shaft diameter and a 1.5 in working length. It features a single spring made of 316 stainless steel, a carbon ring, and a Viton gasket. The seal type designation is 52, and the manufacturer part number is 52-187-05. These materials offer corrosion resistance and thermal stability.

Where to buy the FLOWSERVE 52-187-05 mechanical seal worldwide?

3G Electric supplies the FLOWSERVE 52-187-05 mechanical seal worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact our team to source this seal for your application. We provide competitive pricing and reliable service for international orders.

How to install the FLOWSERVE 52-187-05 mechanical seal?

To install the FLOWSERVE 52-187-05, first ensure the shaft and housing bore are clean and free of burrs. Lubricate the seal faces and gasket with a compatible lubricant. Slide the seal onto the shaft, taking care not to damage the carbon ring. Secure the set screws evenly and verify the working length is 1.5 in. Follow pump manufacturer guidelines for final adjustments.

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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