FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 21, 1 3/8 in Shaft Dia., 1.13 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 3/8-inch shaft diameter and has a…
SKU 3G-OTH-96669
Also listed as: 2113707 · 21 137 07
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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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 3/8-inch shaft diameter and has a 1.13-inch working length. This seal is identified by manufacturer part number 21-137-07.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the FLOWSERVE 21-137-07 mechanical seal used for?
The FLOWSERVE 21-137-07 is a single-spring mechanical shaft seal designed to prevent leakage along rotating shafts in pumps and mixers. It suits applications requiring a carbon ring, Viton gasket, and 18-8 spring material for reliable sealing in industrial fluid-handling systems.
What are the specifications of the FLOWSERVE 21-137-07 mechanical seal?
The FLOWSERVE 21-137-07 mechanical seal has a 1 3/8-inch shaft diameter, 1.13-inch working length, single-spring design, carbon ring, Viton gasket, and 18-8 spring material. It is type designation 21 with manufacturer part number 21-137-07.
Where to buy the FLOWSERVE 21-137-07 mechanical seal worldwide?
3G Electric supplies the FLOWSERVE 21-137-07 mechanical seal worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this genuine FLOWSERVE part.
How to install a FLOWSERVE 21-137-07 mechanical seal?
Install the FLOWSERVE 21-137-07 by cleaning the shaft and housing bore, lubricating the Viton gasket and carbon ring with compatible fluid, and pressing the seal evenly onto the 1 3/8-inch shaft. Follow the manufacturer's instructions 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.
