Parker 426318702000-375 Polypak Seal 2in Id

Product Description

The PARKER 426318702000-375 is a Polypak seal designed for use in hydraulic and pneumatic systems requiring a reliable rod or piston sealing solution. With a 2-inch inner diameter, a 2-3/8-inch outer diameter, and a 3/16-inch seal thickness, this part provides a positive seal in reciprocating applications. It is rated for an operating temperature range of -20 to 250 degrees F and a maximum operating pressure of 2000 psi. The 3/8-inch pipe thread connection makes it straightforward to integrate into standard porting. Fluid power technicians and hydraulic system specialists are the primary installers of this component.

This Polypak seal is suited for residential and commercial hydraulic or pneumatic cylinder applications where controlled reciprocating motion demands consistent sealing performance. The compact cross-section fits into standard seal grooves and is appropriate for use in actuators, cylinders, and other pressurized assemblies operating within the stated temperature and pressure limits. Installers working in industrial, HVAC, or plumbing contexts will find this seal compatible with equipment using 3/8-inch pipe thread porting at moderate to high operating pressures.

Key Features

• 2-inch inner diameter and 2-3/8-inch outer diameter for a defined, repeatable fit in standard seal grooves
• 3/16-inch seal thickness provides consistent compression and sealing force in reciprocating assemblies
• Rated to 2000 psi maximum operating pressure for demanding hydraulic applications
• Temperature range of -20 to 250 degrees F supports use in a wide range of service environments
• 3/8-inch pipe thread connection for straightforward installation into standard ported housings
• Single-piece Polypak profile reduces leak paths compared to multi-component seal arrangements

Compatibility

Designed as an OEM-style replacement Polypak seal for hydraulic and pneumatic cylinders and actuators requiring a 2-inch ID seal with 3/8-inch pipe thread porting and a 2000 psi pressure rating.

Installation Notes

Installation should be performed by a qualified fluid power technician or hydraulic systems specialist. Depressurize and lock out the hydraulic or pneumatic system completely before removing the old seal or installing this component. Inspect the seal groove and mating surfaces for scoring or debris before seating the new seal to prevent premature failure. Follow applicable system manufacturer guidelines and relevant industry codes for hydraulic component service.