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Graco 15U938 Restrictor, Injection, .040

Genuine Graco **15U938 Restrictor Injection .040** — precision fluid injection orifice for proportioning systems.

  • Brand: Graco (OEM)
  • Type: Injection restrictor
  • Application: Controls fluid flow rate in injection systems
  • Fit / Ports: Orifice .040″ diameter
  • Materials: Durable wear‑resistant metal

$111
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Compatible Machines / Systems

  • Injection manifolds and dynamic dosing setups where a .040 restrictor orifice is specified per system proportional flow design.
Manufacturer Graco
Model Number 15U938
Type Injection Restrictor (.040)
Center Section Material Precision metal
Port Size .040″ orifice
Air Inlet N/A
Wetted Material Metal
Compatible Media Fluid injection control

Frequently Asked Questions

What is a restrictor injection part?

It’s a small orifice that limits fluid flow to help achieve a desired proportion and pressure differential in injection systems.

What does .040 mean?

“.040” refers to the diameter of the flow orifice (.040 inches), controlling how much fluid can pass through.

Is this part OEM?

Yes — it’s a genuine Graco restrictor used in proportioning/injection setups.

Does orifice size affect performance?

Yes — smaller orifices restrict flow more, affecting pressure and material delivery; choose size per system specs.

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