FLOWSERVE — Pump Shaft Seals — Seal, Pump Shaft, 1 In

FLOWSERVE Pump Shaft Seals built for consistent performance in maintenance, inspection, and replacement work.

Quick specs

• Seat Bore: 1.625 in
• Standard Industry Seal Number: 248V
• Max. Temp. (F): 400 Degrees F
• Shaft Size (In.): 1 in
• Manufacturer Part Number: 21-100-250
• UPC: -

Product information

• Manufacturer Part Number: 21-100-250
• UPC: -
• Country of Origin: Mexico

Dimensions

• Shaft Size (In.): 1 in
• Nominal Working Length (In.): 1 in
• Seat Thickness: 0.437 in
• For Shaft Diameter: 1 in
• Working Length: 1 in

Details

• Standard Industry Seal Number: 248V
• Max. Temp. (F): 400 Degrees F
• Material Content Code: VCFKF
• Seal Type: 21
• Min. Temp. (F): -25 Degrees F
• Replacement For: Crane Type 21 and Sealol Type 43, US Seal Type C
• Item: Replacement Pump Shaft Seal
• Shut Off Pressure (Maximum): 250 psi
• Gasket Material: Rubber
• Minimum Temperature: -40 Degrees F
• Maximum Temperature: 400 Degrees F
• Compatible with Media Type: Cooking Oil
• Spring Material: Stainless Steel
• Shaft Seal Type: Mechanical Shaft Seal
• Seal Type Designation: 21
• Spring Type: Single Spring
• Standards: ISO 9001, TS16949
• Seat Bore: 1.625 in

This Pump Shaft Seals is intended for professional buyers focused on durability and uptime.

Recommended for facility operations and routine servicing and chosen for predictable fit and professional handling.

Highlights

• Helps keep specifications consistent across replacements and replenishment cycles.
• Designed for professional use where predictable fit and handling are important.
• Works well in standardized part lists and preventative maintenance schedules.
• Clear specification formatting helps reduce ordering mistakes.

Notes: Verify measurement standards, tolerances, and compatibility with existing assemblies before purchase.