FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 21, 3/4 in Shaft Dia., 0.88 in Working Lg
The FLOWSERVE Mechanical Shaft Seal, Type 21 (MPN 21-075-17), is a single-spring mechanical seal with a carbon ring and Viton gasket. It is designed for a 3/4 in shaft diameter with a 0.88 in working length, and…
SKU 3G-OTH-95257
Also listed as: 2107517 · 21 075 17
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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 21 (MPN 21-075-17), is a single-spring mechanical seal with a carbon ring and Viton gasket. It is designed for a 3/4 in shaft diameter with a 0.88 in working length, and features 18-8 spring material.
Frequently Asked Questions
What is the FLOWSERVE Type 21 mechanical seal used for?
The FLOWSERVE Type 21 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 fluids in applications such as HVAC, water treatment, and light industrial pumping systems.
What are the specifications of the FLOWSERVE 21-075-17 mechanical seal?
The FLOWSERVE 21-075-17 is a Type 21 single-spring mechanical seal with a 3/4 in shaft diameter and 0.88 in working length. It features a carbon rotating ring, a Viton gasket, and 18-8 stainless steel spring material. The seal is designed for general-duty pump applications.
Where to buy FLOWSERVE mechanical seals worldwide?
3G Electric supplies FLOWSERVE mechanical seals, including the Type 21-075-17, to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver globally as an industrial equipment distributor.
How to install a FLOWSERVE Type 21 mechanical seal?
To install a FLOWSERVE Type 21 mechanical seal, ensure the shaft and gland bore are clean and free of burrs. Lubricate the seal faces and Viton gasket with a compatible lubricant. Slide the seal onto the shaft, align the set screw with the shaft flat, and tighten evenly. Follow pump manufacturer instructions for final positioning.
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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.
