FLOWSERVE Mechanical Seal: Mechanical Shaft Seal, 21, 1 1/8 in Shaft Dia., 1.06 in Working Lg
The FLOWSERVE Mechanical Shaft Seal, type designation 21, is a single-spring mechanical seal with a carbon ring and a Viton gasket. It is designed for a 1 1/8-inch shaft diameter and has a 1.06-inch working length…
SKU 3G-OTH-96641
Also listed as: 2111217 · 21 112 17
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 and a Viton gasket. It is designed for a 1 1/8-inch shaft diameter and has a 1.06-inch working length, with spring and hardware made from 18-8 stainless steel. This seal is identified by manufacturer part number 21-112-17.
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 21-112-17 mechanical seal used for?
The FLOWSERVE 21-112-17 is a single-spring mechanical shaft seal designed to prevent leakage along rotating shafts in pumps and rotating equipment. It is commonly used in industrial applications such as water treatment, chemical processing, and general fluid handling where a carbon ring and Viton gasket provide reliable sealing.
What are the specifications of the FLOWSERVE 21 mechanical seal?
The FLOWSERVE 21 mechanical seal has a 1 1/8 in shaft diameter, 1.06 in working length, single spring design, carbon ring, Viton gasket, and 18-8 stainless steel spring and hardware. It is type designation 21 with manufacturer part number 21-112-17.
Where to buy FLOWSERVE mechanical seals worldwide?
3G Electric supplies FLOWSERVE mechanical seals like the 21-112-17 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this seal or other FLOWSERVE shaft seal models.
How to install a FLOWSERVE single-spring mechanical seal?
Ensure the shaft and seal housing are clean and free of debris. Lubricate the seal faces and gasket with a compatible fluid. Carefully slide the seal onto the shaft, taking care not to damage the carbon face. Tighten set screws evenly per manufacturer torque specs. Always follow FLOWSERVE installation instructions for the 21 series.
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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.
