FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 51, 1 3/4 in Shaft Dia., 2 in Working Lg
The FLOWSERVE Mechanical Shaft Seal, type designation 51, is a single-spring mechanical seal with a carbon ring and Buna gasket. It features a 316 stainless steel spring and is designed for a 1 3/4-inch shaft…
SKU 3G-OTH-95783
Also listed as: 5117504 · 51 175 04
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The FLOWSERVE Mechanical Shaft Seal, type designation 51, is a single-spring mechanical seal with a carbon ring and Buna gasket. It features a 316 stainless steel spring and is designed for a 1 3/4-inch shaft diameter with a 2-inch working length (MPN 51-175-04).
Frequently Asked Questions
What is the FLOWSERVE 51 mechanical seal used for?
The FLOWSERVE 51 mechanical shaft seal is used in industrial pumps and rotating equipment to prevent fluid leakage along a rotating shaft. It is suitable for water, light chemicals, and general process applications where a carbon ring and Buna gasket provide reliable sealing.
What are the specifications of the FLOWSERVE 51-175-04 mechanical seal?
The FLOWSERVE 51-175-04 mechanical seal has a 1 3/4-inch shaft diameter, 2-inch working length, single 316 stainless steel spring, carbon ring, and Buna gasket. It is type designation 51 with manufacturer part number 51-175-04.
Where to buy FLOWSERVE mechanical seals worldwide?
You can source the FLOWSERVE 51 mechanical seal through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this part.
How to install a FLOWSERVE single-spring mechanical seal?
To install a FLOWSERVE single-spring mechanical seal, ensure the shaft and housing bore are clean and free of burrs. Lubricate the seal faces and gasket with a compatible fluid. Slide the seal onto the shaft, compress the spring evenly, and secure the set screws. Follow pump manufacturer guidelines for precise alignment.
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.
