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NPT Pressures to 15,000 PSI MAWP
Medium Pressures to 20,000 PSI MAWP
High Pressures to 66,000 PSI MAWP
MAWP @ RT (720 F/220 C)

NPT and Medium Pressure Adapter Features
• Available in sizes 1/4”, 3/8”, 9/16” 3/4” and 1”.
• 316 cold worked stainless.
• Operating temperatures from -400º F to 800º F.
• Adapters are available in one or two piece male end design.
• All items can be manufactured from special materials upon customer request.

High Pressure Adapter and In-Line Coupling Features
• Available in sizes 1/4”, 3/8”, 9/16” and 1”.
• 316 cold worked stainless.
• Operating temperatures from -400º F to 800º F.
• Adapters are available in one or two piece male end design.
• All items can be manufactured from special materials upon customer request.

15,000, 20,000 & 66,000 PSI 

​​​​​GPP HIGH PRESSURE ADAPTERS & COUPLINGS

​​​​Grace Precision Products

+1  417  673 1919

Grace Precision Products is dedicated to serving our customers with a wide array of Medium & High Pressure valves, fittings & tubing (VFT).  





With over 50 years combined experience in High Pressure fitting design and manufacturing, the GPP team has the knowledge and experience necessary to provide quality and precision manufactured products.