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

3G Electric
FLOWSERVE 21-125-13 Mechanical Shaft Seal, Type 21, 1 1/4 in Shaft, Cooking Oil - Mechanical Shaft Seals
FLOWSERVEMechanical Shaft Seals

FLOWSERVE 21-125-13 Mechanical Shaft Seal, Type 21, 1 1/4 in Shaft, Cooking Oil

<p>The FLOWSERVE 21-125-13 is a Type 21 mechanical shaft seal designed for 1 1/4 inch shafts, specifically engineered for cooking oil applications. This single spring seal features a rubber gasket and stainless steel…

SKU 3G-OTH-95459

Also listed as: 2112513 · 21 125 13

Brand
FLOWSERVE
Item
21-125-13 Mechanical Shaft Seal, Type 21, 1 1/4 in Shaft, Cooking Oil
Part Number
21-125-13
Category
Mechanical Shaft Seals
Available to Order
Also known as:21-125-13FLOWSERVE
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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
21-125-13
Type
21, Cooking Oil
Shaft Dia.
1 1/4 in
Spring Type
Single Spring
Gasket Material
Rubber
Spring Material
Stainless Steel
Seal Type Designation
21

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

<p>The FLOWSERVE 21-125-13 is a Type 21 mechanical shaft seal designed for 1 1/4 inch shafts, specifically engineered for cooking oil applications. This single spring seal features a rubber gasket and stainless steel spring, ensuring durability and reliable performance in demanding industrial environments. It is a genuine FLOWSERVE part, manufacturer part number 21-125-13.</p><p>Ideal for pumps and rotating equipment in food processing and related industries, this seal offers a precise fit and dependable sealing. As a Singapore-based supplier, 3G Electric provides competitive SGD quotes on request, handles GST for local buyers, and offers fast delivery across Singapore and Southeast Asia, with worldwide shipping available.</p>

Frequently Asked Questions

What are the key specifications of the FLOWSERVE 21-125-13 seal?

The FLOWSERVE 21-125-13 is a Type 21 mechanical shaft seal with a 1 1/4 inch shaft diameter. It features a single spring design, a rubber gasket, and a stainless steel spring. It is specifically designed for use with cooking oil.

Can I get a quote in SGD and what about delivery in Singapore?

Yes, 3G Electric provides quotes in SGD on request. For Singapore buyers, GST is handled. We offer fast delivery across Singapore and Southeast Asia, and we also ship worldwide.

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
Not sure this is the right part? Photo-identify it

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

More from FLOWSERVE

View all FLOWSERVE parts
Type 52 single-spring mechanical shaft seal with carbon rotating face, Buna gasket, and 316 stainless steel spring. Designed for 2-inch shaft diameter and 1.5-inch working length. Suitable for use in centrifugal pumps and rotating equipment requiring a compact, corrosion-resistant seal
FLOWSERVE
Type 52 single-spring mechanical shaft seal with carbon rotating face, Buna gasket, and 316 stainless steel spring. Designed for 2-inch shaft diameter and 1.5-inch working length. Suitable for use in centrifugal pumps and rotating equipment requiring a compact, corrosion-resistant seal
Single-spring mechanical seal for 1-7/8 in shafts with 1.38 in working length. Features a carbon sealing ring, Buna gasket, and 18-8 stainless steel spring. Used in centrifugal pumps and rotating equipment to prevent fluid leakage along the shaft
FLOWSERVE
Single-spring mechanical seal for 1-7/8 in shafts with 1.38 in working length. Features a carbon sealing ring, Buna gasket, and 18-8 stainless steel spring. Used in centrifugal pumps and rotating equipment to prevent fluid leakage along the shaft
FLOWSERVE Type 52 mechanical shaft seal with single spring design. Features carbon rotating ring, Viton gasket, and 316 stainless steel spring. Shaft diameter 7/8 in, working length 0.94 in. Suitable for rotating equipment such as pumps and mixers handling water, chemicals, or light hydrocarbons in moderate-temperature, non-abrasive services
FLOWSERVE
FLOWSERVE Type 52 mechanical shaft seal with single spring design. Features carbon rotating ring, Viton gasket, and 316 stainless steel spring. Shaft diameter 7/8 in, working length 0.94 in. Suitable for rotating equipment such as pumps and mixers handling water, chemicals, or light hydrocarbons in moderate-temperature, non-abrasive services
FLOWSERVE 9T mechanical shaft seal for pump applications. Multiple spring design with 316 stainless steel springs. Fits 3/4 in shaft diameter. Maximum shut off pressure 250 psi. Prevents fluid leakage along rotating shafts in centrifugal pumps
FLOWSERVE
FLOWSERVE 9T mechanical shaft seal for pump applications. Multiple spring design with 316 stainless steel springs. Fits 3/4 in shaft diameter. Maximum shut off pressure 250 psi. Prevents fluid leakage along rotating shafts in centrifugal pumps
Mechanical shaft seal for rotating shafts in industrial pumps handling oil. Features a single stainless steel spring and rubber gasket. Designed for 1 1/4-inch shaft diameter. Suitable for centrifugal pumps, mixers, and compressors
FLOWSERVE
Mechanical shaft seal for rotating shafts in industrial pumps handling oil. Features a single stainless steel spring and rubber gasket. Designed for 1 1/4-inch shaft diameter. Suitable for centrifugal pumps, mixers, and compressors
Single-spring mechanical seal for rotating shafts in pumps and rotating equipment. Features a carbon sealing ring, Viton gasket, and 18-8 stainless steel spring and hardware. Suitable for fluid handling applications requiring reliable leakage prevention
FLOWSERVE
Single-spring mechanical seal for rotating shafts in pumps and rotating equipment. Features a carbon sealing ring, Viton gasket, and 18-8 stainless steel spring and hardware. Suitable for fluid handling applications requiring reliable leakage prevention

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first