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Get reliable male x female adapters for high-pressure systems. Corrosion-resistant, precise, and compatible with GPP valves, tubing, and fittings.

GPP’s 100K PSI tubing delivers maximum safety and performance in ultra high-pressure systems across oil, gas, aerospace, labs, and more.

GPP’s 40K–66K PSI stainless steel tubing is engineered for extreme pressure, offering unmatched durability and safety in the harshest conditions.

GPP’s 20K PSI medium pressure tubing delivers unmatched strength, corrosion resistance, and seamless reliability for high-performance applications.

GPP’s 100K psi valves deliver unmatched control for ultra high-pressure applications in aerospace, hydrogen fueling, extraction, and offshore drilling.

Discover GPP’s 66K psi high pressure valves—engineered for ultra high-pressure systems in CO₂ extraction, hydrogen fueling, waterjet cutting, and more.

Explore GPP’s ultra-high-pressure 94ksi–100ksi fittings—engineered for extreme environments in aerospace, hydrogen energy, pharma, and defense industries.

At GPP Extreme Pressure, we manufacture a complete line of high-quality fittings and accessories for the waterjet and food processing industries. We offer many OEM compatible parts rated at 94,000 psi [6,481 bar] including a 3/8” Trunnioned cross fitting, p/n 014523-1. These fittings, GPP p/n AX-94K6-TN, use a trunnion plate on either side of the fitting which, when clamped together,

After years of only one source of reliable 100K psi tubing, GPP Extreme Pressure is happy to announce they have a reliable alternative. Following the difficulties of supplying our customers during the pandemic, we scoured the planet for a second source of 100,000 psi tubing to meet our customer’s needs. This new product called XT100 for its extreme life at

The attenuator on a waterjet pump intensifier pump plays a critical role in maximizing waterjet cut quality. When the intensifier shifts at the end of a stroke, the change in direction of the plunger/piston assembly causes a momentary loss of production of pressurized water. This manifests itself as a periodic drop in the cutting pressure output and often a degradation