ROSS hose fittings Germany ROSS model ROSS price

ROSS hose fittings are components used in hydraulic systems to connect pipelines or mount pipelines onto hydraulic components. This is a general term for connectors that can be assembled and disassembled within fluid passages. Main types include: welded, bite-type (ferrule), crimped, and flared.

ROSS hose fitting advantages

Bite-type copper tube fittings—Advantages: simple structure, reliable sealing performance, ease of use, precision manufacturing, and a lightweight, aesthetically pleasing appearance. No gaskets are required, no welding is needed, materials are saved, and they perform well under repeated assembly and disassembly. Since stainless steel bite-type tube fittings cannot be welded, this reduces the impact of pipeline impurities on system performance. Therefore, stainless steel bite-type tube fittings are increasingly widely used in hydraulic and pneumatic equipment pipelines using oil and gas as media, especially suitable for occasions with fire hazards, high-altitude operations, and frequent assembly/disassembly. They are currently being vigorously promoted and used in China. Bite-type copper tube fittings—Structure and principle: The basic structure of this fitting is relatively simple, consisting of only three basic parts: the fitting body, the ferrule, and the nut. The main component is the ferrule, which is a metal ring with a cutting edge at the front. International standard GB3764-83 recommends the cutting edge to be uniformly I type shape.

ROSS hose fitting applications

Pneumatic quick-connect fittings are primarily used for air piping and pneumatic tools. These fittings allow pipeline connection or disconnection without tools. When disconnected: when the sleeve of the female body moves to the other end, the stainless steel balls automatically roll outward, and the male body disconnects under the combined spring force of the valves in both the male and female bodies. The valves in both the male and female bodies close separately, instantly blocking fluid flow. Double shut-off pneumatic quick-connect fittings: When connected, as the male body is inserted into the female body, the sleeve returns to its original position under spring action, and the steel balls roll to lock the male body tightly. Simultaneously, the valves in the female and male bodies push against each other to open, allowing fluid flow. The O type O-ring completely prevents fluid leakage.

ROSS hose fitting selection

How to select high-pressure pipe fittings: 1, Hose size: The inner diameter of the hose must be appropriate. If the hose is fixed with clamps or passes through spacers such as steel plates, pay attention to the outer diameter of the hose. 2, Working pressure: According to the safety factors for hydraulic hoses specified by relevant international standards, the recommended working pressure is typically one-quarter of the minimum burst pressure of the hose. 3, Impact pressure and fatigue life: Hose selection is determined based on the maximum pressure value of the hydraulic system design. Impact pressure does not significantly affect the fatigue life of the hose. For hydraulic systems with particularly frequent impact pressures, it is recommended to select hose products specifically resistant to pulsating impact. 4, Temperature range: Users should operate hoses within the temperature range permitted by hose quality specifications. For continuous operation, regular cooling is recommended. 5, Chemical compatibility: If special hydraulic media are used, users must ensure that the inner and outer layers of the selected hose assembly, the fittings, and the O type O-rings are compatible with the media.

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