FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 51, 1 3/8 in Shaft Dia., 1.69 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 3/8-inch shaft…
SKU 3G-OTH-97029
Also listed as: 5113704 · 51 137 04
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- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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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 3/8-inch shaft diameter with a 1.69-inch working length (MPN 51-137-04).
Frequently Asked Questions
What is the FLOWSERVE 51-137-04 mechanical seal used for?
The FLOWSERVE 51-137-04 is a single-spring mechanical shaft seal designed to prevent leakage in rotating equipment such as pumps and mixers. It is suitable for industrial applications requiring a carbon ring, Buna gasket, and 316 stainless steel spring, handling a 1 3/8-inch shaft diameter.
What are the specifications of the FLOWSERVE 51-137-04 mechanical seal?
The FLOWSERVE 51-137-04 mechanical seal has a shaft diameter of 1 3/8 inches, a working length of 1.69 inches, and a type designation of 51. It features a single spring made of 316 stainless steel, a carbon ring, and a Buna gasket. The manufacturer part number is 51-137-04.
Where to buy the FLOWSERVE 51-137-04 mechanical seal worldwide?
You can source the FLOWSERVE 51-137-04 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 FLOWSERVE seal.
How to install a FLOWSERVE 51-137-04 mechanical seal?
To install the FLOWSERVE 51-137-04, ensure the shaft and housing bore are clean and free of debris. Lubricate the seal faces and gasket with a compatible fluid. Slide the seal onto the shaft, align the set screw with the shaft, and tighten evenly. Follow pump manufacturer guidelines for precise installation.
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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.
