ASCO hose fittings Germany ASCO model ASCO price

ASCO hose fittings are components in hydraulic systems that connect high-pressure oil hoses to other high-pressure oil hoses. Hydraulic pipe fittings can be further classified into hydraulic hoses, high-pressure ball valves, quick-connect couplings, compression-type pipe fittings, welded pipe fittings, high-pressure hoses, adapter fittings, tee fittings, non-standard fittings, flared fittings, right-angle fittings, swivel fittings, quick-connect couplings, stainless steel pipe fittings, and brass fittings.

ASCO hose fitting structure

includes a female coupling body with a through hole containing an embedded steel ball; a male coupling pillar with a groove on its surface; a ferrule; the female coupling body and male coupling pillar form a sealed fit, with the steel ball on the body engaging the groove on the pillar surface; the ferrule is fitted over the outer surface of the female coupling body, characterized by: further including a pull sleeve, which is fitted over the surface of the male coupling pillar and connected to the ferrule on the female coupling via its internal thread.

ASCO hose fitting applications

Pneumatic quick-connect couplings are primarily used for air piping and pneumatic tools, allowing 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. For double shut-off pneumatic quick-connect couplings: when connected, as the male body is inserted into the female body, the sleeve returns to its original position under spring action, the steel balls roll to lock the male body tightly, while the valves in the female and male bodies push against each other to open, allowing fluid flow; the O type ring completely prevents fluid leakage.

ASCO hose fitting forming method

The hot-push elbow forming process uses specialized elbow pushing machines, mandrels, and heating devices to push the blank fitted over the mold forward. During movement, it is heated, expanded, and bent into shape. The deformation characteristic of hot-push elbows is based on the principle that the volume of metal material remains unchanged before and after plastic deformation to determine the tube blank diameter; the tube blank diameter used is smaller than the elbow diameter. The mandrel controls the deformation process of the blank, causing the compressed metal at the inner arc to flow and compensate for other areas thinned due to expansion, thereby achieving uniform wall thickness in the elbow. The hot-push elbow forming process features an attractive appearance, uniform wall thickness, and continuous operation, making it suitable for mass production. Thus, it has become the main forming method for carbon steel and alloy steel elbows, and is also applied in the forming of certain specifications of stainless steel elbows. Heating methods during the forming process include medium-frequency or high-frequency induction heating (heating coils can be multi-turn or single-turn), flame heating, and reverberatory furnace heating. The choice of heating method depends on product requirements and energy availability.

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