TCH hose fittings Germany TCH model TCH price

TCH 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 couplings, bite-type pipe fittings, welded pipe fittings, high-pressure hoses, transition pipe fittings, tee pipe fittings, non-standard pipe fittings, flared pipe fittings, right-angle pipe fittings, rotary pipe fittings, quick couplings, stainless steel pipe fittings, and copper fittings.

Precautions for TCH hose fittings

Hydraulic quick-change couplings (quick couplings) are devices used to connect two pipelines, typically used in heavy-load equipment such as large construction machinery. Quick couplings ensure the safety of hydraulic hoses and guarantee connection stability in extremely high-pressure hydraulic applications. Quick couplings come in plug-in and threaded types, generally featuring a one-way self-sealing design; that is, when the male and female halves of the quick coupling are fully separated, each half remains semi-sealed. When the quick coupling is disconnected, its internal hydraulic valve stems push against each other's seats, achieving disconnection of the pipelines on both sides. 1. When connecting the quick coupling, its core valve stem pushes against the seat of the mating half, simultaneously achieving connection of the pipelines on both sides and enabling rapid pipeline connection. 2. After removal, the oil pipe fitting remains semi-sealed to prevent hydraulic oil leakage, avoiding oil leaks and contamination of the hydraulic control system environment; therefore, hydraulic quick couplings are widely applied in large construction machinery requiring frequent assembly and disassembly. 3. During assembly and disassembly, ensure proper mating between the quick coupling and the oil pipe fitting to prevent damage to the quick coupling, which could lead to oil leakage or contamination. 4. Improper connection or structural design flaws in quick couplings may cause damage to hydraulic components, potentially leading to mechanical failures or accidents.

Precautions for TCH hose fittings

Do not use hose quick couplings for applications other than fluid transfer. Do not use with fluids other than the specified compatible fluids. Do not exceed the maximum operating pressure during use. Do not use outside the specified temperature range to prevent deformation of sealing materials, which can easily lead to leaks. Avoid artificial impact, bending, or stretching to prevent damage. Do not use in environments contaminated with metal powder, sand, or dust; using quick couplings in such harsh conditions can compromise service life. Accumulation of debris can cause poor performance or leakage. Do not disassemble the quick coupling.

TCH hose fitting crimping

How to crimp high-pressure pipe fittings: First, the international metric internal thread flat-face fitting; second, the international metric bite-type fitting; third, the international metric internal thread 74 degree internal cone face fitting; fourth, the international metric internal thread spherical face fitting; fifth, mining hydraulic support fittings. There are several points to note when using high-pressure oil pipe fittings: 1. When handling high-pressure oil hoses, take care to avoid surface friction to prevent damage. Although the hose is designed for use, surface damage must be avoided to prevent leakage. 2. Do not bend high-pressure oil hoses, as this can cause internal damage, creating unnecessary trouble for future use. 3. Do not put high-pressure oil hoses into immediate service; it is recommended to flush them first with water or similar fluids. Some high-pressure oil hoses are acid and alkali resistant; do not use testing fluids that conflict with the intended medium. 4. When installing high-pressure oil pipe fittings, ensure they are tightened securely to prevent fluid leakage.

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