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Graco 178746 Ball Valve

The Graco 178746 Ball Valve delivers reliable on/off flow control inside pump and spray system valve assemblies.

  • OEM-grade precision ball for accurate sealing
  • Ensures smooth fluid transfer and pressure stability
  • Designed for select Graco industrial pumps

List Price: $50.75
You save: $4.21 (8.30%)
Sale Price: $46.54
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Graco 178746 Ball Valve Overview

Compatible Machines

  • Graco Air-Operated Piston Pumps
  • Graco Paint Transfer & Circulation Pumps
  • Graco Valve-Control Fluid Handling Systems

Key Features

Feature Details
Precision Machined Provides accurate sealing for controlled fluid movement.
Durable Material Manufactured to resist wear and maintain long-term performance.
Smooth Operation Reduces vibration and improves pump efficiency.

Installation & Usage Tips

  • Inspect the seat and spring before installing the new ball.
  • Ensure all contacting surfaces are clean and debris-free.
  • Install with correct orientation for proper sealing action.
  • Check for leaks after reassembly and test cycle the pump.

Frequently Asked Questions

It acts as the sealing component inside the valve, controlling fluid flow based on pump pressure.

Signs include poor sealing, pressure loss, inconsistent spray, or visible pitting/wear on the ball.

It’s recommended if the seat shows wear, as a worn seat can prevent proper sealing even with a new ball.

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