The Intensifier-Pump-Seal-p.html target='_blank'>Static Seal 301635 is an OEM ring‐style seal used in high‐pressure Waterjet Pump Pistons to prevent fluid bypass and maintain consistent cutting pressure. It measures 0.813″ OD × 0.692″ ID, weighs approximately 0.003 lbs, and is molded from a gray elastomer for durability under repeated 60 K psi cycles.
Specifications
Part Number: 301635
Dimensions: 0.813″ outer diameter × 0.692″ inner diameter
Cross-Section: Standard ring seal profile for static Sealing
Material: Gray elastomeric compound designed for high-pressure wear resistance
Weight: ~0.003 lbs (1.36 g)
OEM Reference: Replaces OMAX 301635; 45011; AW301635; F300-D0062-0000; 1-11992
Installation & Maintenance
Depressurize & Disassemble: Safely relieve pump pressure; remove cylinder head per OEM manual.
Remove Old Seal: Use a non-marring pick to extract the worn static seal from its gland.
Clean & Inspect: Wipe the gland bore clean; inspect for grooves or damage; polish minor imperfections.
Install New Seal: Lightly lubricate the new 301635 seal with pump oil; press into the gland until fully seated.
Reassemble & Test: Reinstall piston and head, repressurize gradually, and verify zero leakage under no-load conditions.