FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 51, 1 1/4 in Shaft Dia., 1.63 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 1/4-inch shaft…
SKU 3G-OTH-96966
Also listed as: 5112504 · 51 125 04
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- 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 1/4-inch shaft diameter with a 1.63-inch working length (MPN 51-125-04).
Frequently Asked Questions
What is the FLOWSERVE 51-125-04 mechanical seal used for?
The FLOWSERVE 51-125-04 mechanical shaft seal is used in industrial pumps and rotating equipment to prevent fluid leakage along a 1 1/4-inch shaft. It is suitable for applications requiring a single-spring design with a carbon ring and Buna gasket, such as water, chemical, and general process industries.
What are the specifications of the FLOWSERVE 51-125-04 mechanical seal?
The FLOWSERVE 51-125-04 mechanical seal has a 1 1/4-inch shaft diameter, 1.63-inch working length, single-spring design, carbon ring, Buna gasket, and 316 stainless steel spring. It is type designation 51 with manufacturer part number 51-125-04. These specs ensure reliable sealing in standard pump applications.
Where to buy the FLOWSERVE 51-125-04 mechanical seal worldwide?
You can source the FLOWSERVE 51-125-04 mechanical seal worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this FLOWSERVE mechanical shaft seal.
How to install a FLOWSERVE 51-125-04 mechanical seal?
To install the FLOWSERVE 51-125-04 mechanical seal, ensure the shaft and housing bore are clean and free of debris. Lubricate the Buna gasket and carbon ring with a compatible lubricant, then slide the seal onto the 1 1/4-inch shaft. Follow pump manufacturer guidelines for proper compression and alignment to avoid damage.
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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.
