GRACO Washer, Support Back, 50, PR-Xv - (SKU: 1.8E+292)The GRACO 18E291 is a support back washer designed for use in GRACO PR Xv series equipment. Its material is not specified in available documentation, but it is intended to provide structural support and secure mounting within the equipment assembly. Key Features: Washer, Support Back 50, PR Xv GRACO PR Xv series equipment Provides structural support Secures mounting within assembly Designed for reliability in industrial applications Applications: Used

Connect air supply within the specified pressure range (30 to 100 psi

Follow the specific installation instructions provided in the GRACO manual for the 77X521 kit

but it is designed for reliable fluid handling in industrial applications

Follow manufacturer guidelines for mixing and spraying

Chromex-coated plunger for wear and corrosion resistance

Torque the packing nut to 45–53 N

Follow GRACO’s recommended maintenance schedule for air motor systems

Connect to appropriate electrical supply (200-240 V)

This part functions as the user interface for controlling the flow of paint or coating material during operation

Inspect the weldment for damage before installation

Supports smooth operation and reduces pressure fluctuations

Used in GRACO NXT air control systems for priming and flushing operations