Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 16, 1 in Shaft Dia. - Mechanical Shaft Seals
FLOWSERVEMechanical Shaft Seals

FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 16, 1 in Shaft Dia.

The FLOWSERVE Replacement Pump Shaft Seal is a mechanical shaft seal with a single spring design, featuring a rubber gasket and stainless steel spring. Designated as Seal Type 16, it is designed for a 1-inch shaft…

SKU 3G-OTH-94907

Brand
FLOWSERVE
Item
Replacement Pump Shaft Seal: Mechanical Shaft Seal, 16, 1 in Shaft Dia.
Category
Mechanical Shaft Seals
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

FLOWSERVE
Manufacturer Part Number
16-100-03
Type
16, Water, Rubber
Shaft Dia.
1 in
Spring Type
Single Spring
Gasket Material
Rubber
Spring Material
Stainless Steel
Seal Type Designation
16
Replaces Grainger Seal
5P417
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The FLOWSERVE Replacement Pump Shaft Seal is a mechanical shaft seal with a single spring design, featuring a rubber gasket and stainless steel spring. Designated as Seal Type 16, it is designed for a 1-inch shaft diameter and water service. This seal replaces Grainger Seal 5P417 and carries manufacturer part number 16-100-03.

Frequently Asked Questions

What is the FLOWSERVE 16-100-03 mechanical shaft seal used for?

The FLOWSERVE 16-100-03 mechanical shaft seal is used to prevent leakage along a rotating pump shaft in water service applications. It is designed for a 1-inch shaft diameter and is commonly installed in industrial pumps, water handling equipment, and process machinery where a reliable, single-spring seal is required.

What are the specifications of the FLOWSERVE 16-100-03 seal?

The FLOWSERVE 16-100-03 is a mechanical shaft seal with Seal Type Designation 16. It has a 1-inch shaft diameter, a rubber gasket, a stainless steel spring, and a single spring design. It is intended for water service and replaces Grainger Seal 5P417. The manufacturer part number is 16-100-03.

Where to buy the FLOWSERVE 16-100-03 mechanical shaft seal worldwide?

3G Electric supplies the FLOWSERVE 16-100-03 mechanical shaft seal worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this FLOWSERVE replacement seal.

How to install the FLOWSERVE 16-100-03 mechanical shaft seal?

To install the FLOWSERVE 16-100-03 seal, first ensure the shaft and seal bore are clean and free of debris. Lubricate the rubber gasket and seal face with water or a compatible lubricant. Carefully press the seal onto the 1-inch shaft, ensuring the single spring is not over-compressed. Follow pump manufacturer guidelines for proper 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal: Mechanical Shaft Seal, 51, Single Spring (MPN 51-175-05). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: 316 Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 51; Replaces Grainger Seal: 5P378.
FLOWSERVE
FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal: Mechanical Shaft Seal, 51, Single Spring (MPN 51-175-05). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: 316 Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 51; Replaces Grainger Seal: 5P378.
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 31, 7/8 in Shaft Dia., Oil, Rubber (MPN 31-087-10). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 31.
FLOWSERVE
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 31, 7/8 in Shaft Dia., Oil, Rubber (MPN 31-087-10). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 31.
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 1/2 in Shaft Dia., Cooking Oil (MPN 21-050-04). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 21; Replaces Grainger Seal: 5P380.
FLOWSERVE
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 1/2 in Shaft Dia., Cooking Oil (MPN 21-050-04). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 21; Replaces Grainger Seal: 5P380.
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 31, 3/4 in Shaft Dia., Oil, Rubber (MPN 31-075-98). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 31; Replaces Grainger Seal: 4P973.
FLOWSERVE
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 31, 3/4 in Shaft Dia., Oil, Rubber (MPN 31-075-98). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 31; Replaces Grainger Seal: 4P973.
FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal: Mechanical Shaft Seal, 51, Single Spring (MPN 51-125-05). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: 316 Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 51; Replaces Grainger Seal: 5P374.
FLOWSERVE
FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal: Mechanical Shaft Seal, 51, Single Spring (MPN 51-125-05). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: 316 Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 51; Replaces Grainger Seal: 5P374.
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 1 3/4 in Shaft Dia., Cooking Oil (MPN 21-175-06). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 21.
FLOWSERVE
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 1 3/4 in Shaft Dia., Cooking Oil (MPN 21-175-06). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 21.

More from FLOWSERVE

View all FLOWSERVE parts
FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal: Mechanical Shaft Seal, 51, Single Spring (MPN 51-187-05). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: 316 Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 51.
FLOWSERVE
FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal: Mechanical Shaft Seal, 51, Single Spring (MPN 51-187-05). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: 316 Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 51.
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 2 in Shaft Dia., Cooking Oil (MPN 21-200-04). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 21.
FLOWSERVE
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 2 in Shaft Dia., Cooking Oil (MPN 21-200-04). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 21.
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 51, 1 5/8 in Shaft Dia., 2 in Working Lg, 316 (MPN 51-162-04). Key specifications — Brand: FLOWSERVE; Gasket Material: Buna; Spring Material: 316; Spring Type: Single Spring; Ring Material: Carbon; Seal Type Designation: 51.
FLOWSERVE
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 51, 1 5/8 in Shaft Dia., 2 in Working Lg, 316 (MPN 51-162-04). Key specifications — Brand: FLOWSERVE; Gasket Material: Buna; Spring Material: 316; Spring Type: Single Spring; Ring Material: Carbon; Seal Type Designation: 51.
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 52, 3/4 in Shaft Dia., 0.88 in Working Lg, 316 (MPN 52-075-05). Key specifications — Brand: FLOWSERVE; Gasket Material: Viton; Spring Material: 316; Spring Type: Single Spring; Ring Material: Carbon; Seal Type Designation: 52.
FLOWSERVE
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 52, 3/4 in Shaft Dia., 0.88 in Working Lg, 316 (MPN 52-075-05). Key specifications — Brand: FLOWSERVE; Gasket Material: Viton; Spring Material: 316; Spring Type: Single Spring; Ring Material: Carbon; Seal Type Designation: 52.
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 21, 1 3/8 in Shaft Dia., 1.13 in Working Lg, 18-8 (MPN 21-137-07). Key specifications — Brand: FLOWSERVE; Gasket Material: Viton; Spring Material: 18-8; Spring Type: Single Spring; Ring Material: Carbon; Seal Type Designation: 21.
FLOWSERVE
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 21, 1 3/8 in Shaft Dia., 1.13 in Working Lg, 18-8 (MPN 21-137-07). Key specifications — Brand: FLOWSERVE; Gasket Material: Viton; Spring Material: 18-8; Spring Type: Single Spring; Ring Material: Carbon; Seal Type Designation: 21.
FLOWSERVE Unitized Rotary Replacement Pump Shaft Seal: Mechanical Shaft Seal, 16, 3/4 in Shaft Dia. (MPN 16-075-07). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 16; Replaces Grainger Seal: 5P416.
FLOWSERVE
FLOWSERVE Unitized Rotary Replacement Pump Shaft Seal: Mechanical Shaft Seal, 16, 3/4 in Shaft Dia. (MPN 16-075-07). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 16; Replaces Grainger Seal: 5P416.
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 1 1/4 in Shaft Dia., Cooking Oil (MPN 21-125-13). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 21.
FLOWSERVE
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 1 1/4 in Shaft Dia., Cooking Oil (MPN 21-125-13). Key specifications — Brand: FLOWSERVE; Gasket Material: Rubber; Spring Material: Stainless Steel; Spring Type: Single Spring; Seal Type Designation: 21.
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 68, 3/4 in Shaft Dia., 0.27 in Working Lg, 18-8 (MPN 68-075-400-02). Key specifications — Brand: FLOWSERVE; Gasket Material: Viton; Spring Material: 18-8; Spring Type: Single Spring; Ring Material: Carbon; Seal Type Designation: 68.
FLOWSERVE
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 68, 3/4 in Shaft Dia., 0.27 in Working Lg, 18-8 (MPN 68-075-400-02). Key specifications — Brand: FLOWSERVE; Gasket Material: Viton; Spring Material: 18-8; Spring Type: Single Spring; Ring Material: Carbon; Seal Type Designation: 68.