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Graco 15R145 Pr70 Valve, Relief, 1/4Npt, M, 40Psi, Sil

Graco PR70 relief valve — defaults to vent pressure above 40 PSI to protect systems.

  • Brand: Graco
  • Type: Relief valve
  • Application: Pressure protection on tanks and pots
  • Fit / Ports: 1/4″ NPT male
  • Material: Precision metal with SIL spring

$55.5
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Compatible Machines / Systems

  • Graco pressure pot and tank assemblies that require a 40 PSI PR70 relief valve to maintain safe operating pressures. ([turn0search0][turn1search4])
  • Systems (e.g., PR70 and PR70v feed assemblies) where pressure relief is part of standard safety design. ([turn0search0][turn0search5])
Manufacturer Graco
Model Number 15R145
Type Relief valve
Center Section Material Metal
Port Size 1/4″ NPT male
Air Inlet Not applicable
Wetted Material Metal
Compatible Media Paints, coatings, fluids in pressurized tanks

Frequently Asked Questions

What does this relief valve do?

The PR70 valve vents pressure above 40 PSI to keep tanks and assemblies within safe operating limits. ([turn0search0])

Is this a genuine Graco part?

Yes — 15R145 is an OEM Graco relief valve with factory specifications. ([turn0search0][turn0search5])

Where is it usually installed?

On the pressure pot lid or relief port where over‑pressure needs to be vented. ([turn1search4])

Can I adjust the set pressure?

This valve is fixed at approximately 40 PSI and not adjustable; use the correct replacement to match your system requirement. ([turn0search0])

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