Graco 15D116 Piston Seal

The Graco 15D116 Piston Seal ensures reliable sealing and smooth fluid flow in high-pressure piston pumps. Perfect for maintenance or replacement in OEM pump assemblies.

Durable polyurethane construction with fabric reinforcement
Maintains consistent fluid pressure and reduces leakage
Optimized dual-lip design for high-efficiency sealing
Compatible with industrial and commercial Graco piston pumps

$15.84

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Description

Graco 15D116 Piston Seal – High-Performance Replacement

The Graco 15D116 Piston Seal is a precision-engineered component designed for high-pressure piston pumps, ensuring reliable sealing, smooth fluid flow, and extended pump life even under demanding conditions.

Key Features

Durable polyurethane construction for superior wear resistance
Optimized dual-lip design to maintain efficient sealing and reduce friction
Maintains consistent fluid pressure for high-quality spraying
Compact, direct replacement for Graco piston-style pumps
Resistant to high-pressure (>3,000 psi) and temperature variations (–40°F to 250°F)

Technical Specifications

Manufacturer Part Number	15D116
Material	Polyurethane elastomer with fabric reinforcement
Pressure Rating	> 3,000 psi
Temperature Range	–40°F to 250°F
Service Life	Over 1 million cycles in validated tests

Design & Durability

The seal’s dual-lip geometry ensures consistent sealing along the piston bore, minimizing fluid bypass and maximizing pump efficiency. Its reinforced polyurethane resists abrasion and extrusion, providing long-term reliability in industrial coating applications.

Installation & Maintenance

Inspect the piston bore for scratches or debris before installing the seal
Apply compatible assembly lubricant to prevent wear during initial operation
Replace periodically to maintain optimal pump performance
Use non-metal tools for removal to avoid damaging the seal lip
Maintain a clean fluid system to prolong seal life

Applications & Compatibility

The 15D116 Piston Seal is suitable for Graco piston-style high-pressure pumps. It is a critical replacement part in repair kits and OEM pump assemblies.

Used in industrial and commercial airless sprayers
Compatible with abrasive coatings and high-solid fluids

Frequently Asked Questions

The 15D116 Piston Seal provides a reliable seal inside Graco piston pumps, ensuring consistent fluid flow and preventing leakage.

It is made from polyurethane elastomer with fabric reinforcement, offering excellent abrasion resistance and durability under high-pressure conditions.

Inspect the piston bore, lubricate the seal before installation, replace it periodically, and keep the fluid system clean to extend its service life.