In high-pressure fluid systems, every connection matters. Whether you’re building a waterjet cutting system, an oil & gas assembly, or a laboratory testing setup, using the right fittings is key to safety, durability, and overall system performance. One component that plays a vital role in multi-line flow management is the cross fitting.
A cross fitting, also known as a 4-way fitting, connects four tubes at right angles. In high-pressure systems — especially those rated at 20K PSI (medium), 66K PSI (high), or 94K PSI (ultra-high) — using a reliable cross fitting ensures stable, leak-free connections where fluid flow must be split or merged.
What Makes a Cross Fitting Reliable?
A high-quality cross fitting must withstand intense internal pressure, maintain a leak-tight seal, and support flow in multiple directions without compromising system integrity. Choosing the right cross fitting reduces the risk of: – Leaks and pressure drops – Structural failure or fitting blowout – Costly system downtime and maintenance
GPP High Pressure Cross Fittings — Built for Demanding Systems
Our cross fittings are precision-machined from 316 cold-worked stainless steel for 20K and 66K PSI applications, and from 15-5 PH stainless steel for 94K PSI systems. These materials ensure maximum strength, corrosion resistance, and long-lasting performance.
- 20K PSI Cross Fitting Engineered for medium-pressure applications, perfect for general-purpose fluid transfer systems and lab setups.
- 66K PSI Cross Fitting Our high-pressure cross fitting features precise threading and tight sealing surfaces for continuous performance in waterjet and industrial operations.
- 94K PSI Cross Fitting Manufactured from 15-5 PH stainless steel, this ultra-high-pressure fitting is trusted in aerospace, defense, and high-pressure testing environments.
Key Benefits of Using GPP Cross Fittings
- Leak-free, 4-way connections
- Available in multiple pressure ratings
- Built for extreme environments
- Made from high-grade stainless steel for durability
Applications Where Cross Fittings Excel
- Waterjet cutting systems
- Chemical injection lines
- Oilfield and offshore operations
- High-pressure test stands
- R&D and lab environments
Final Thoughts
In systems where every connection is a potential failure point, using a dependable cross fitting is a simple but powerful way to increase system reliability.
Choose GPP Cross Fittings for strength, precision, and peace of mind.
Call 417-673-1919
Explore our full range at gpphighpressure.com