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FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 31, 1 3/4 in Shaft Dia., 1.38 in Working Lg - Mechanical Shaft Seals

FLOWSERVEMechanical Shaft Seals

FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 31, 1 3/4 in Shaft Dia., 1.38 in Working Lg

The FLOWSERVE Mechanical Shaft Seal, type 31 (MPN 31-175-28), is a single-spring mechanical seal with silicon carbide rings, a Viton gasket, and 18-8 spring material. It is designed for a 1 3/4 in shaft diameter with…

SKU 3G-OTH-95686

Brand

FLOWSERVE

Item

Mechanical Seal: Mechanical Shaft Seal, 31, 1 3/4 in Shaft Dia., 1.38 in Working Lg

Category

Mechanical Shaft Seals

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Technical Specifications

FLOWSERVE

Manufacturer Part Number

31-175-28 

Type

31, 18-8 

Shaft Dia.

1 3/4 in 

Working Lg

1.38 in 

Spring Type

Single Spring 

Ring Material

Silicon Carbide 

Gasket Material

Viton 

Spring Material

18-8 

Seal Type Designation

31

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FLOWSERVE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FLOWSERVE Mechanical Shaft Seal, type 31 (MPN 31-175-28), is a single-spring mechanical seal with silicon carbide rings, a Viton gasket, and 18-8 spring material. It is designed for a 1 3/4 in shaft diameter with a 1.38 in working length.

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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FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 31, 1 in Shaft Dia., 1 in Working Lg, 18-8, Viton (MPN 31-100-10). Key specifications — Brand: FLOWSERVE; Gasket Material: Viton; Spring Material: 18-8; Spring Type: Single Spring; Ring Material: Silicon Carbide; Seal Type Designation: 31.

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FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 21, 1 1/8 in Shaft Dia., 1.06 in Working Lg, 18-8 (MPN 21-112-17). Key specifications — Brand: FLOWSERVE; Gasket Material: Viton; Spring Material: 18-8; Spring Type: Single Spring; Ring Material: Carbon; Seal Type Designation: 21.

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