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Graco 17F336 1-11/16 Inch PTFE Check Ball

Graco 17F336 PTFE Check Ball 1-11/16 in. (Qty 4) is an OEM valve component set designed to maintain proper fluid flow and prevent backflow in Graco diaphragm pumps.

  • Size: 1-11/16 inch diameter
  • Material: PTFE (Teflon®) for chemical resistance
  • Quantity: Set of 4 for complete valve service

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Graco 17F336 PTFE Check Ball 1-11/16 in. (Qty 4) – OEM Pump Valve Component

Graco 17F336 Ball Check 1-11/16 in. PTFE is an OEM check valve ball set designed to ensure proper fluid flow and sealing inside Graco diaphragm pumps. Supplied as a set of four for complete valve servicing.

Compatible Machines

These PTFE check balls are used in specific Graco diaphragm pump fluid sections. Always verify fitment using your pump’s parts diagram.

  • Graco PSD24 Diaphragm Pump
  • Graco Air-Operated Diaphragm Pumps using 1-11/16 in. PTFE check balls

Product Specifications

Part Number 17F336
Ball Diameter 1-11/16 in.
Material PTFE (Teflon®)
Quantity 4 check balls
Application Inlet and outlet check valve assemblies

Key Features & Benefits

  • PTFE Construction – Excellent chemical resistance and low friction for smooth valve operation.
  • Consistent Sealing – Helps maintain proper flow direction and prevent backflow.
  • OEM Accuracy – Manufactured to Graco specifications for reliable fit and performance.
  • Complete Set – Qty 4 allows full replacement during pump maintenance.

Installation & Maintenance Notes

Inspect check balls and valve seats during routine service. Replace worn or damaged balls to restore pump efficiency and prevent loss of prime. Always ensure valve seats are clean before installation.

Frequently Asked Questions

These check balls control fluid flow direction inside the pump, allowing fluid to pass in one direction while preventing backflow.

PTFE offers excellent chemical resistance, low friction, and durability, making it ideal for diaphragm pump valve applications.

Yes. Replacing all check balls at once ensures balanced valve operation and consistent pump performance.

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