We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 68, 5/8 in Shaft Dia., 0.27 in Working Lg - Mechanical Shaft Seals
FLOWSERVEMechanical Shaft Seals

FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 68, 5/8 in Shaft Dia., 0.27 in Working Lg

The FLOWSERVE Mechanical Shaft Seal, type designation 68 (MPN 68-062-90), is a single-spring mechanical seal with a carbon ring, Viton gasket, and 18-8 spring material. It is designed for a 5/8 in shaft diameter with…

SKU 3G-OTH-96099

Also listed as: 6806290 · 68 062 90

Brand
FLOWSERVE
Item
Mechanical Seal: Mechanical Shaft Seal, 68, 5/8 in Shaft Dia., 0.27 in Working Lg
Category
Mechanical Shaft Seals
Available to Order
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

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
68-062-90
Type
68, 18-8
Shaft Dia.
5/8 in
Working Lg
0.27 in
Spring Type
Single Spring
Ring Material
Carbon
Gasket Material
Viton
Spring Material
18-8
Seal Type Designation
68

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 Mechanical Shaft Seal, type designation 68 (MPN 68-062-90), is a single-spring mechanical seal with a carbon ring, Viton gasket, and 18-8 spring material. It is designed for a 5/8 in shaft diameter with a 0.27 in working length.

Frequently Asked Questions

What is the FLOWSERVE 68-062-90 mechanical seal used for?

The FLOWSERVE 68-062-90 mechanical shaft seal is used to prevent leakage along rotating shafts in industrial pumps, mixers, and compressors. It is suitable for water, chemical, and light slurry applications where a single-spring, carbon-versus-ceramic face combination provides reliable sealing under moderate pressure and temperature.

What are the specifications of the FLOWSERVE 68 mechanical seal?

The FLOWSERVE 68 mechanical seal (MPN 68-062-90) has a 5/8 in shaft diameter, 0.27 in working length, single spring, carbon ring, Viton gasket, and 18-8 spring material. It is a type 68 seal design. These specs ensure compatibility with standard pump stuffing boxes and moderate-duty rotating equipment.

Where to buy FLOWSERVE 68-062-90 mechanical seal worldwide?

3G Electric supplies the FLOWSERVE 68-062-90 mechanical seal worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source genuine FLOWSERVE components for reliable performance in your rotating equipment.

How to install a FLOWSERVE single-spring mechanical seal?

To install a FLOWSERVE single-spring mechanical seal, ensure the shaft and stuffing box are clean and free of burrs. Lubricate the Viton gasket and carbon face lightly with the pumped fluid. Slide the seal onto the shaft, compress the spring evenly, and tighten the set screw. Follow the manufacturer's instructions for precise working length adjustment.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 68, 5/8 in Shaft Dia., 0.27 in Working Lg, 18-8 (MPN 68-062-82)
FLOWSERVE
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 68, 5/8 in Shaft Dia., 0.27 in Working Lg, 18-8 (MPN 68-062-82)
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 68, 3/4 in Shaft Dia., 0.27 in Working Lg, 18-8 (MPN 68-075-400-01)
FLOWSERVE
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 68, 3/4 in Shaft Dia., 0.27 in Working Lg, 18-8 (MPN 68-075-400-01)
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 68, 5/8 in Shaft Dia., 0.27 in Working Lg, 18-8 (MPN 68-062-39)
FLOWSERVE
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 68, 5/8 in Shaft Dia., 0.27 in Working Lg, 18-8 (MPN 68-062-39)
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 31, 1/8 in Shaft Dia., 0.88 in Working Lg, 18-8 (MPN 31-062-24)
FLOWSERVE
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 31, 1/8 in Shaft Dia., 0.88 in Working Lg, 18-8 (MPN 31-062-24)
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 21, 1/2 in Shaft Dia., 0.81 in Working Lg, 18-8 (MPN 21-050-05)
FLOWSERVE
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 21, 1/2 in Shaft Dia., 0.81 in Working Lg, 18-8 (MPN 21-050-05)
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 52, 7/8 in Shaft Dia., 0.94 in Working Lg, 316 (MPN 52-087-05)
FLOWSERVE
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 52, 7/8 in Shaft Dia., 0.94 in Working Lg, 316 (MPN 52-087-05)

More from FLOWSERVE

View all FLOWSERVE parts
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 51, 1 5/8 in Shaft Dia., 2 in Working Lg, 316 (MPN 51-162-04)
FLOWSERVE
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 51, 1 5/8 in Shaft Dia., 2 in Working Lg, 316 (MPN 51-162-04)
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 52, 3/4 in Shaft Dia., 0.88 in Working Lg, 316 (MPN 52-075-05)
FLOWSERVE
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 52, 3/4 in Shaft Dia., 0.88 in Working Lg, 316 (MPN 52-075-05)
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 21, 1 3/8 in Shaft Dia., 1.13 in Working Lg, 18-8 (MPN 21-137-07)
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)
FLOWSERVE Unitized Rotary Replacement Pump Shaft Seal: Mechanical Shaft Seal, 16, 3/4 in Shaft Dia. (MPN 16-075-07)
FLOWSERVE
FLOWSERVE Unitized Rotary Replacement Pump Shaft Seal: Mechanical Shaft Seal, 16, 3/4 in Shaft Dia. (MPN 16-075-07)
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 1 1/4 in Shaft Dia., Cooking Oil (MPN 21-125-13)
FLOWSERVE
FLOWSERVE Replacement Pump Shaft Seal: Mechanical Shaft Seal, 21, 1 1/4 in Shaft Dia., Cooking Oil (MPN 21-125-13)
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 68, 3/4 in Shaft Dia., 0.27 in Working Lg, 18-8 (MPN 68-075-400-02)
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)
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 52, 1 3/8 in Shaft Dia., 1.13 in Working Lg, 316 (MPN 52-137-05)
FLOWSERVE
FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 52, 1 3/8 in Shaft Dia., 1.13 in Working Lg, 316 (MPN 52-137-05)
FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal: Mechanical Shaft Seal, 52, Single Spring (MPN 52-100-05)
FLOWSERVE
FLOWSERVE Narrow Cross-section Replacement Pump Shaft Seal: Mechanical Shaft Seal, 52, Single Spring (MPN 52-100-05)