ztr rossmanek hose fittings Germany ztr rossmanek models ztr rossmanek prices

ztr rossmanek hose fittings are components used to connect hoses to other hoses or components. Hoses include stainless steel hoses, metal hoses, corrugated hoses, rubber hoses, and plastic hoses. Hose fittings vary by hose type. Metal hose fitting materials mainly include stainless steel, nickel-plated copper, and zinc alloy. Shapes mainly include external thread end fittings, external thread 45-degree elbows, external thread 90-degree elbows, internal thread fittings, self-locking fittings, and compression fittings. Select metal hose fittings based on installation conditions and operating environment.

ztr rossmanek hose fitting functions

Insert the steel pipe into the ferrule and tighten with the ferrule nut. The ferrule bites into the pipe to create a seal. No welding is required for connection to steel pipes, which supports fire protection, explosion protection, and high-altitude work, and eliminates risks from improper welding. The mechanical advantages and geometry of the fitting make it a leak-proof sealing component. Mechanical force pushes the rear ferrule against the conical back of the front ferrule, while simultaneously pushing the front ferrule into the tapered reducing mouth of the fitting body. The ferrule is radially compressed onto the conduit. Withdrawing the front ferrule forms a full-face seal on the tapered surface of the fitting body. After hand-tightening, rotate the ferrule nut further to ensure uniform thrust on the seal. This ensures effective sealing in high-pressure and ultra-high vacuum environments. It is an advanced connector for piping in automatic control systems in oil refining, chemical, petroleum, natural gas, food, pharmaceutical, and instrumentation applications.

ztr rossmanek hose fitting classification

Welded pipe fittings use welding between the adapter and the pipe. An O-ring face seal is used between the fitting body and the adapter. Simple structure, easy to manufacture, good sealing, and low requirements for pipe dimensional accuracy. High welding quality is required, and assembly/disassembly is inconvenient. Operating pressure up to 31.5MPa, operating temperature -25 to 80°C, suitable for oil-medium piping systems. Compression pipe fittings use ferrule deformation to grip and seal the pipe. Advanced structure, good performance, lightweight, compact, and easy to use. Widely used in hydraulic systems. Operating pressure up to 31.5MPa. High pipe dimensional accuracy is required; cold-drawn steel pipes are needed. High ferrule precision. Suitable for oil, gas, and general corrosive media piping systems. Flared pipe fittings use flaring at the pipe end for sealing, requiring no other sealing elements. Simple structure, suitable for thin-walled pipe connections, suitable for low-pressure oil and gas medium piping systems. Insert-welded pipe fittings: insert the pipe of required length into the fitting until the pipe end contacts the inner end of the fitting, and weld the pipe and fitting into one unit. This eliminates the need for an adapter but requires strict pipe dimensions. Suitable for oil and gas medium piping systems. Taper-seal welded pipe fittings: one end of the adapter has an external taper surface with an O-ring seal matching the internal taper surface of the fitting body, tightened with threads. Operating pressure up to 16–31.5MPa, operating temperature -25 to 80°C, suitable for oil-medium piping systems. Crimped hose fittings: easy to install but add a crimping step. The fitting outer sleeve cannot be reused after hose damage. Used with wire-braided hoses to form assemblies. Can be connected to welded pipe fittings with O-ring seals. Suitable for oil, water, and gas medium piping systems. Medium temperature: oil: -30 to 80°C; air: -30 to 50°C; water: below 80°C. Three-piece hose fittings: no need to strip the outer rubber layer of the hose during assembly. Slight variations in hose outer diameter are compensated by pre-compression from the fitting outer sleeve. Hose pre-compression in the range of 31% to 50% ensures no leakage under operating pressure, preventing hose pull-out and outer layer rupture. Can be connected to welded pipe fittings, quick-change fittings, and compression pipe fittings. Suitable for oil, water, and gas medium piping systems. Operating pressure and medium temperature are limited by the connected hose. Quick-change fittings (two-way shut-off): self-sealing after pipe disconnection, preventing fluid loss in the pipeline, suitable for frequent disassembly. Complex structure with higher local resistance loss. Suitable for oil and gas medium piping systems. Operating pressure below 31.5MPa, medium temperature -20 to 80°C. Quick-change fittings (two-way open): suitable for oil and gas medium piping systems. Operating pressure and medium temperature are limited by the connected hose.

ztr rossmanek hose fitting selection

Diverse body materials, sizes, and mounting configurations are available for their applications. Gas quick-connect fittings are mainly used for general fuse piping, featuring high flow rate, durability, and corrosion resistance. Diverse body materials, sizes, and mounting configurations. Gas/liquid shared quick-connect fittings are mainly used for ion cooling unit piping, brewing equipment, machine tool cutting oil piping, and car wash machines. Simple lever operation enables connection for transporting liquids, gases, powders, etc. Diverse body materials, sizes, and mounting configurations. Hydraulic quick-connect fittings are mainly used for hydraulic units and construction machinery. Body material should be metal resistant to vibration and shock. Inert gas quick-connect fittings are used for vacuum piping and compressor pressure tests. Both socket and plug have built-in automatic shut-off valves for vacuum applications, maintaining 1.3×10PaPa vacuum in the disconnected state. Cooling water and warm oil quick-connect fittings are mainly used for general-purpose mold interfaces. Simplify mold changeover operations, enhance rust prevention, and offer diverse types.

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