Types of Stainless Steel Hose Fittings and Where They Are Used

Jan 19th 2023

Types of Stainless Steel Hose Fittings and Where They Are Used

Stainless steel hose fittings are used where corrosion resistance, washdown exposure, chemical compatibility, or long service life is important. The material helps, but the fitting style still has to match the hose and connection.

Common stainless hose fitting families include O-ring fittings, JIC fittings, crimp fittings, hose barbs, and push-on fittings.

When Stainless Steel Makes Sense

Stainless steel is often selected for wet, corrosive, marine, food, beverage, chemical, or outdoor environments. It can also be useful when plated carbon steel does not provide enough service life.

The exact stainless grade and seal material should be checked against the fluid, temperature, pressure, and cleaning chemicals.

O-Ring and JIC Fittings

Stainless O-ring fittings seal with an elastomeric seal at the intended surface. ORFS and ORB-style connections are examples where the O-ring condition and sealing face are critical.

JIC stainless fittings use a 37 degree flare seat. They are common in hydraulic hose and tube work where a serviceable metal-to-metal flare connection is useful.

Crimp, Barb, and Push-On Styles

Stainless crimp fittings are permanently attached to compatible hydraulic hose using a crimp machine and approved crimp specification. They are used where pressure and retention need controlled assembly.

Stainless hose barbs and push-on fittings can fit lower-pressure fluid or air lines when the hose is designed for that connection. They should not be used as substitutes for high-pressure crimped hydraulic assemblies unless the hose and fitting system is rated for the service.

Choosing the right stainless hose fitting means matching material, hose type, pressure rating, seal style, and installation method at the same time.