FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 21, 1 3/4 in Shaft Dia., 1.38 in Working Lg
The FLOWSERVE Mechanical Shaft Seal, type designation 21, is a single-spring mechanical seal with a carbon ring, Viton gasket, and 18-8 spring material. It is designed for a 1 3/4 in shaft diameter and has a 1.38 in…
SKU 3G-OTH-96722
Also listed as: 2117507 · 21 175 07
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The FLOWSERVE Mechanical Shaft Seal, type designation 21, is a single-spring mechanical seal with a carbon ring, Viton gasket, and 18-8 spring material. It is designed for a 1 3/4 in shaft diameter and has a 1.38 in working length (MPN 21-175-07).
Frequently Asked Questions
What is the FLOWSERVE 21-175-07 mechanical seal used for?
The FLOWSERVE 21-175-07 is a single-spring mechanical shaft seal designed to prevent leakage between rotating shafts and stationary housings in pumps, mixers, and compressors. It is commonly used in industrial fluid-handling applications where a carbon ring, Viton gasket, and 18-8 spring materials provide reliable sealing against water, oils, and mild chemicals.
What are the specifications of the FLOWSERVE 21-175-07 mechanical seal?
The FLOWSERVE 21-175-07 mechanical seal has a 1 3/4 in shaft diameter, 1.38 in working length, and type designation 21. It features a carbon ring, Viton gasket, 18-8 spring material, and single-spring design. The manufacturer part number is 21-175-07. These specifications ensure compatibility with standard pump stuffing boxes and rotating equipment.
Where to buy the FLOWSERVE 21-175-07 mechanical seal worldwide?
You can source the FLOWSERVE 21-175-07 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. 3G Electric supplies genuine FLOWSERVE components to industrial buyers across multiple regions.
How to install the FLOWSERVE 21-175-07 mechanical seal?
To install the FLOWSERVE 21-175-07, first clean the shaft and housing bore thoroughly. Lubricate the Viton gasket and carbon ring with a compatible lubricant. Slide the seal assembly onto the shaft, ensuring the 1.38 in working length is maintained. Tighten the set screws evenly and check for free rotation before startup. Always follow pump manufacturer guidelines.
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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.
