FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 51, 1 7/8 in Shaft Dia., 2.13 in Working Lg
The FLOWSERVE Mechanical Shaft Seal, type 51 (MPN 51-187-04), is a single-spring mechanical seal designed for a 1 7/8 in shaft diameter with a 2.13 in working length. It features a carbon ring, Buna gasket, and 316…
SKU 3G-OTH-97128
Also listed as: 5118704 · 51 187 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 51 (MPN 51-187-04), is a single-spring mechanical seal designed for a 1 7/8 in shaft diameter with a 2.13 in working length. It features a carbon ring, Buna gasket, and 316 stainless steel spring material.
Frequently Asked Questions
What is the FLOWSERVE 51-187-04 mechanical seal used for?
The FLOWSERVE 51-187-04 is a single-spring mechanical shaft seal used in pumps and rotating equipment to prevent fluid leakage along a 1 7/8 in shaft. It is common in water, wastewater, and light chemical applications where a carbon ring and Buna gasket provide reliable sealing.
What are the specifications of the FLOWSERVE 51-187-04 mechanical seal?
The FLOWSERVE 51-187-04 has a 1 7/8 in shaft diameter, 2.13 in working length, single spring, carbon ring, Buna gasket, and 316 stainless steel spring material. It is type 51 with MPN 51-187-04, designed for general industrial pump sealing.
Where to buy the FLOWSERVE 51-187-04 mechanical seal worldwide?
3G Electric supplies the FLOWSERVE 51-187-04 mechanical seal worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this genuine FLOWSERVE part.
How to install a FLOWSERVE 51 mechanical seal?
To install a FLOWSERVE 51 mechanical seal, ensure the shaft and bore are clean and free of burrs. Lubricate the Buna gasket and carbon face lightly with compatible fluid. Slide the seal onto the 1 7/8 in shaft, compress evenly, and secure per pump manufacturer torque specs.
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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.
