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Graco 16M161 1/2 in NPT Stainless Steel Valve End Cap

$33.93
$35.90
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Part #: 16M161

The Graco 16M161 Cap End Valve 1/2 NPT SST is a stainless-steel end cap designed to seal unused 1/2" NPT ports on Graco valve blocks and manifolds.

  • Stainless-steel construction
  • 1/2" NPT threaded design
  • Prevents leaks and contamination
  • Used on multiple Graco sprayer valve assemblies
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Compatible Machines

The Graco 16M161 Cap End Valve 1/2 NPT SST is a stainless-steel end cap designed for Graco valve blocks and manifolds that use a 1/2 inch NPT port. It is commonly used across multiple professional and industrial Graco sprayer platforms. Always verify your machine’s valve assembly before ordering.

  • Graco Ultra Max II 695 / 795 / 1095 / 1595 Series
  • Graco Mark V HD / Mark X HD Series
  • Graco GMAX II 3900 / 5900 / 7900 Series
  • Graco Magnum ProX17 / ProX19 (where applicable to valve block)
  • Graco Contractor & ProContractor Series using 1/2" NPT valve manifolds
  • Industrial & In-Plant Graco Fluid Handling Systems with 1/2" NPT valve ports

Product Details

The Graco 16M161 is a durable stainless-steel end cap used to close unused 1/2 inch NPT ports on Graco valve assemblies. It helps prevent fluid leaks, contamination, and maintains pressure integrity within the system. Ideal for high-demand spraying and fluid-transfer applications.

  • Material: Stainless Steel (SST)
  • Thread Type: 1/2 inch NPT
  • Application: Valve assemblies, manifolds, unused port sealing
  • Corrosion-resistant design for extended service life

Key Benefits

  • Ensures a tight, reliable seal on unused valve ports
  • Stainless-steel construction supports harsh coatings and chemicals
  • Compatible with multiple Graco sprayer families
  • Maintains system pressure and prevents contamination

Frequently Asked Questions

The end cap seals an unused 1/2 inch NPT port on a Graco valve block or manifold, preventing leaks and protecting the system from debris and contamination.

Yes, the stainless-steel construction provides strong resistance against corrosion, making it suitable for most water-based and solvent-based coatings. Always confirm compatibility with specific chemicals.

It fits machines whose valve block or manifold uses a 1/2 inch NPT port and specifies 16M161 in the parts list. Check your model’s parts manual or contact support to confirm.

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