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Graco 16T481 ValveCheck replaces Graco 16T480

The Graco 16T481 Valve Check is a high-pressure one-way valve designed to prevent backflow in PFP and heavy-coating spray systems.

  • 3/4" NPT(F) thread
  • High-pressure rating up to approx. 7250 PSI
  • Suitable for Xtreme and XM PFP systems

List Price: $383
You save: $55.92 (14.60%)
Sale Price: $327.08
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Graco 16T481 Valve Check

Compatible Machines

This Graco 16T481 Valve Check is designed for high-pressure fire-proofing and heavy-coating spray systems.

  • Graco Xtreme PFP Single-Component Sprayers (e.g., 16T311)
  • Graco XM PFP Plural-Component Sprayers
  • Any system using 3/4" NPT(F) fluid ports rated up to approx. 7250 PSI (after verifying OEM parts list)

Product Details

The Graco 16T481 Valve Check is a high-pressure one-way valve built for demanding coating and PFP applications. It maintains consistent forward fluid flow and prevents reverse flow inside the system.

Thread Size3/4" NPT(F) × 3/4" NPT(F)
Pressure RatingApprox. 500 bar / 7250 PSI
ApplicationPassive Fire Protection, Heavy Coatings
FunctionPrevents back-flow and ensures consistent forward fluid movement

Frequently Asked Questions

It uses 3/4" NPT female threads on both inlet and outlet sides.

The valve is rated for high-pressure operation up to approximately 500 bar (around 7250 PSI).

It is mainly for PFP and high-pressure coating equipment. Contractor-grade sprayers usually use lower-pressure valves and different port sizes, so compatibility must be checked in the OEM parts list.

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