Fisnar Cup Seal

The Fisnar 580031 U-Cup Seal is a critical internal component used in Fisnar pinch-tube valves, such as the 710PT-U series. This precision-molded U-shaped elastomer seal ensures airtight performance within the valve by sealing between the piston and cylinder cap, preventing fluid and air leakage during dispensing operations.

Key Features:
*U-cup design for reliable pneumatic sealing
*Maintains internal air and fluid integrity
*Made from durable elastomer material
*Designed for use in pinch-tube valve assemblies
*Simple to install and replace for ongoing maintenance
*Compact, precise fit within valve housing

Specifications:
*Manufacturer: Fisnar
*Part Number: 580031
*Type: U-Cup seal (internal gasket)
*Compatible Valve Series: 710PT-U and similar pinch-tube valves
*Material: Elastomeric compound (e.g., NBR)
*Function: Sealing interface between piston and cap
*Weight: Approximately 1-2 g

Applications:
*Valve maintenance and servicing: Replaces worn seals to restore valve performance.
*Leak prevention: Ensures clean shut-off in fluid dispensing operations.
*Precision fluid dispensing: Maintains consistent control of adhesives, sealants, or cyanoacrylates.
*Industrial production environments: Suitable for pneumatic dispensing systems used in automated lines.
*Field service and repair: A key spare part for maintaining uptime in production tools.