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Graco 115148 Stop Ball Intake

The Graco 115148 Stop Ball Intake is the OEM‑specified intake‑ball assembly used in Graco pumps — enabling proper suction during intake stroke and sealing to prevent backflow during discharge, ensuring smooth fluid delivery.

  • Intake‑ball (stop‑ball) for pump suction valve
  • Used in displacement / fluid‑handling pumps & spray systems
  • OEM‑genuine — fits Graco valve housings and ensures correct sealing
  • Essential to restore suction performance and prevent leaks if original ball/valve fails

$69.25
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About the Graco 115148 Stop Ball Intake

The Graco 115148 Stop Ball Intake is a genuine OEM intake-ball / stop-ball assembly — used in Graco fluid and paint pumps to manage suction and prevent backflow, ensuring proper fluid delivery during pump operation.

Compatible Pumps / Use-Cases

  • Graco displacement pumps (e.g. Falcon / Falcon II series) and similar fluid-handling pump units using intake-ball valve assemblies
  • Spray, coating or paint-pump systems requiring a reliable intake valve to draw fluid and prevent backflow
  • Any Graco equipment whose parts diagram or service manual specifies “Stop Ball Intake – 115148”
  • Pump repair or overhaul — when replacing worn/damaged intake valves or balls to restore proper suction & sealing

Product Details

Part Number 115148
Description Stop Ball Intake / Intake-Valve Ball Assembly — OEM Intake Valve Part
Function Controls pump intake: allows suction draw during intake stroke and seals intake during discharge to prevent backflow
Typical Use Fluid / paint / coating pumps, displacement pumps, spray systems under Graco with ball-valve intake mechanism
OEM Status Original Graco intake-ball part — ensures correct fit and performance per pump design

Why Use This Intake Ball?

  • Ensures reliable suction and fluid draw during pump intake stroke
  • Prevents backflow by sealing intake during discharge/stroke reversal
  • OEM-specified — proper seating, material and dimensional fit for Graco pump housings and valves
  • Essential for pump performance, pressure integrity, and long-term reliability

Frequently Asked Questions

It allows fluid to be drawn in during the pump’s intake stroke, then seals the intake to prevent backflow when pump cycles or pressure changes.

Yes — 115148 is the original OEM intake-ball assembly specified by Graco for their pump modules.

Replace it if you notice reduced suction, leaks, poor fluid draw or if the intake valve fails to seal properly during discharge — this often happens due to wear or damage over time.

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