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FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 52, 1 3/8 in Shaft Dia., 1.13 in Working Lg - Mechanical Shaft Seals
FLOWSERVEMechanical Shaft Seals

FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 52, 1 3/8 in Shaft Dia., 1.13 in Working Lg

The FLOWSERVE Mechanical Shaft Seal, model 52-137-05, is a Type 52 mechanical shaft seal featuring a single spring design. It is constructed with a carbon ring, Viton gasket, and 316 stainless steel spring material…

SKU 3G-OTH-97305

Also listed as: 5213705 · 52 137 05

Brand
FLOWSERVE
Item
Mechanical Seal: Mechanical Shaft Seal, 52, 1 3/8 in Shaft Dia., 1.13 in Working Lg
Category
Mechanical Shaft Seals
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

FLOWSERVE
Manufacturer Part Number
52-137-05
Type
52, 316
Shaft Dia.
1 3/8 in
Working Lg
1.13 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 52-137-05, is a Type 52 mechanical shaft seal featuring a single spring design. It is constructed with a carbon ring, Viton gasket, and 316 stainless steel spring material. This seal has a 1 3/8 in shaft diameter and a 1.13 in working length.

Frequently Asked Questions

What is the FLOWSERVE 52-137-05 mechanical seal used for?

The FLOWSERVE 52-137-05 is a Type 52 mechanical shaft seal designed to prevent leakage along rotating shafts in pumps and mixers. It is commonly used in industrial applications handling water, chemicals, or hydrocarbons where a reliable, single-spring seal with carbon and Viton components is required.

What are the specifications of the FLOWSERVE 52-137-05 mechanical seal?

The FLOWSERVE 52-137-05 has a 1 3/8 in shaft diameter and 1.13 in working length. It features a single spring design with a carbon ring, Viton gasket, and 316 stainless steel spring material. The seal type designation is 52, and the manufacturer part number is 52-137-05.

Where to buy the FLOWSERVE 52-137-05 mechanical seal worldwide?

3G Electric supplies the FLOWSERVE 52-137-05 mechanical seal to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this Type 52 seal with carbon ring and Viton gasket.

How to install a FLOWSERVE Type 52 mechanical seal?

Install the FLOWSERVE Type 52 seal by carefully sliding it onto a clean, lubricated shaft. Ensure the seal face is perpendicular to the shaft axis and the spring is not compressed beyond its working length. Follow pump manufacturer guidelines for gland torque and alignment to avoid premature wear.

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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