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Graco 15R974 Cylinder Valve

The **Graco 15R974 Cylinder Valve** delivers precise fluid control and reliable operation for demanding spray systems.

  • High-durability OEM valve
  • Supports high-pressure spray performance
  • Smooth, consistent fluid regulation
  • Reliable fit for compatible Graco systems

$278.5
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Graco 15R974 Cylinder Valve – Precision Fluid Control for Advanced Spray Systems

Compatible Machines

  • Graco airless spray systems and manifold assemblies designed for high-pressure coatings.
  • Industrial and commercial sprayers handling solvent-based, waterborne or two-component coating materials.
  • OEM pump modules and retrofit spray units requiring high-performance cylinder valves rated for up to 5,000 psi.

The **Graco 15R974 Cylinder Valve** is engineered to provide extremely reliable, high-precision fluid control in demanding industrial spray and coating operations. Its stainless steel construction, tight machining tolerances and advanced sealing ensure minimal leakage and consistent performance even under harsh conditions.

Key Features

Part Number 15R974
Material / Construction Stainless steel housing & spool, PTFE and nitrile dynamic seals
Pressure Rating Rated up to 5,000 psi with Cv 0.75
Leak Rate Under 0.1 cc/min, cycle life >1,000,000
Operating Range Temperatures from –40 °C to 150 °C for diverse process conditions

Installation & Usage Tips

  • Perform installation only when system power and fluid pressure are fully isolated.
  • Confirm upstream filtration of 5 micron nominal to protect internal components.
  • Tighten end-cap fasteners to 150 in-lb torque to ensure proper seal compression.
  • Flush the valve after coating change-overs to remove particulates and maintain flow consistency.
  • Inspect seals periodically; full rebuild can be completed in under 15 minutes using standard tools.

Frequently Asked Questions

Yes — the 15R974 is designed for modular pump/manifold systems and will replace standard valves provided the port sizes and mounting configuration match.

Absolutely — this valve is compatible with solvent-borne, waterborne and high-viscosity two-component materials thanks to its durable seals and stainless steel construction.

Routine flushing after each coating change-over and inspection of seals every few months is recommended. A full service can be done in under 15 minutes to maintain long-term durability.

Yes — with its low actuation torque and precision return times (under 50 ms), the 15R974 is well-suited for automated systems and remote monitoring in high-end spray applications.

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