FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 21, 1 5/8 in Shaft Dia., 1.5 in Working Lg
The FLOWSERVE Mechanical Shaft Seal, type 21, is a single-spring mechanical seal with a carbon ring and Buna gasket. It features an 18-8 spring material, a 1 5/8 in shaft diameter, and a 1.5 in working length (MPN…
SKU 3G-OTH-95499
Also listed as: 2116204 · 21 162 04
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.
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Product Description
The FLOWSERVE Mechanical Shaft Seal, type 21, is a single-spring mechanical seal with a carbon ring and Buna gasket. It features an 18-8 spring material, a 1 5/8 in shaft diameter, and a 1.5 in working length (MPN 21-162-04).
Frequently Asked Questions
What is the FLOWSERVE 21 mechanical seal used for?
The FLOWSERVE type 21 mechanical shaft seal is used in pumps and rotating equipment to prevent fluid leakage along the shaft. It is common in water, wastewater, and light chemical applications where a reliable, single-spring seal with a carbon ring and Buna gasket is required.
What are the specifications of the FLOWSERVE 21-162-04 mechanical seal?
The FLOWSERVE 21-162-04 mechanical seal has a 1 5/8 in shaft diameter, 1.5 in working length, single-spring design, carbon ring, Buna gasket, and 18-8 spring material. It is designated as type 21 and is manufactured by FLOWSERVE.
Where to buy a FLOWSERVE 21 mechanical seal worldwide?
3G Electric supplies the FLOWSERVE type 21 mechanical seal (MPN 21-162-04) to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct seal for your pump application, regardless of your location.
How to install a FLOWSERVE 21 mechanical seal?
To install a FLOWSERVE type 21 mechanical seal, ensure the shaft and housing bore are clean and free of burrs. Lubricate the seal faces and gasket with a compatible fluid, then slide the seal onto the shaft. Follow the manufacturer's instructions for setting the working length and tightening the set screws.
Used in
Common applications for FLOWSERVEFLOWSERVE 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.
