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

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