Lutz hose connector Germany Lutz model Lutz price

Lutz hose connectors are pipe fittings and pipeline connectors. Also known as tee fittings or three-way fittings, they are used where branch pipes diverge from the main pipeline. A tee has three openings: one inlet and two outlets, or two inlets and one outlet. It is a type of chemical pipe fitting available in T shape and Y shape, with equal-diameter or reducing ports, used at junctions where three identical or different pipelines converge. The primary function of a tee is to change the direction of fluid flow.

Lutz hose connector features

Double ferrule fittings offer reliable connection, high pressure resistance, temperature resistance, good sealing and repeatability, easy installation and maintenance, and safe and reliable operation. The working principle of a double ferrule fitting involves inserting the steel tube into the ferrule and tightening the ferrule nut, which presses against the ferrule, causing it to cut into the tube to create a seal. No welding is required for connection to steel tubes, which helps prevent fire and explosion hazards and facilitates high-altitude work, while eliminating defects caused by improper welding. Therefore, it is a relatively advanced connector used in piping systems for automatic control devices in oil refining, chemical, petroleum, natural gas, food, pharmaceutical, and instrumentation applications. Suitable for connecting oil, gas, water, and other pipelines. A ferrule-type pipe fitting consists of four parts: the fitting body, front ferrule, rear ferrule, and nut. When the front and rear ferrules and the nut are placed on the steel tube and inserted into the fitting body, tightening the nut moves it forward, pushing the rear ferrule forward. The rear ferrule then pushes the front ferrule forward. The tip of the fitting body compresses the front ferrule inward, causing the outer side of the front end of the ferrule to seat against the conical surface of the fitting body, while the inner edge uniformly bites into the seamless steel tube, forming an effective seal.

Lutz hose connector material classification

1. Austenitic stainless steel: The matrix is primarily composed of austenite structure (γ phase) with a face-centered cubic lattice. It is non-magnetic and is mainly strengthened through cold working (which may induce some magnetism). 2. Austenitic-ferritic (duplex) stainless steel: The matrix contains both austenitic and ferritic phases (with the minor phase generally exceeding 15%). It is magnetic and can be strengthened through cold working. 3. Ferritic stainless steel: The matrix is primarily composed of ferrite structure (α phase) with a body-centered cubic crystal lattice. It is magnetic, generally cannot be hardened by heat treatment, but can be slightly strengthened by cold working. 4. Martensitic stainless steel: The matrix is martensitic structure. It is magnetic, and its mechanical properties can be adjusted through heat treatment. 5. Precipitation-hardening stainless steel: The matrix is austenitic or martensitic structure, and it can be hardened (strengthened) through precipitation hardening (also known as age hardening). 6. Stainless steel grades: 1Cr18Ni9Ti 0Cr18Ni9 00Cr19Ni10 0Cr17Ni12Mo2Ti 00Cr17Ni14Mo2 304 304L 316 316L, etc. 3. Stainless steel elbows possess certain corrosion resistance (to oxidizing acids, organic acids, and cavitation), heat resistance, and wear resistance. They are typically used as equipment materials in power plants, chemical industries, and petroleum sectors. Stainless steel elbows have poor weldability; attention should be paid to welding procedures, heat treatment conditions, and the selection of suitable welding electrodes.

Lutz hose connector classification

Inert gas type: Mainly used for vacuum piping and compressor pressure tests. Both the sleeve and plug have built-in automatic shut-off valves suitable for vacuum applications, maintaining a vacuum level of 1.3×10Pa when disconnected. Precautions for use: Do not exceed the maximum operating pressure limit. Do not use outside the specified temperature range to prevent wear or leakage of sealing materials. Do not subject to artificial impact, bending, or stretching to prevent damage. Do not connect or disconnect under pressure or residual pressure. Do not disassemble. Use sealing material for external threads of controlled threads. Do not subject to artificial impact, bending, or stretching to prevent damage. Do not use with fluids other than the applicable fluid. Do not use for purposes other than quick couplings. Do not connect with quick fluid couplings from other manufacturers. Do not use in environments containing metal powder or sand/dust to prevent malfunction or leakage. Attachment of debris can cause malfunction or leakage. A brake valve must be installed before the quick coupling. Do not use as a hinge joint. Use in machines with vibration or shock will reduce durability. Cold water/warm oil type: Mainly used for general-purpose mold interfaces. Simplifies mold exchange operations, enhances rust prevention, and offers various types. Precautions for use: Note: Do not use with fluids other than the applicable fluid. Do not exceed the maximum operating pressure limit. Do not use outside the specified temperature range to prevent wear or leakage of sealing materials. Do not subject to artificial impact, bending, or stretching to prevent damage. Do not use in environments containing metal powder or sand/dust to prevent malfunction or leakage. For threaded installations, do not exceed the maximum tightening torque to prevent damage. Do not use hoses with cracks to prevent leakage or detachment. Use in machines with vibration or shock will reduce durability. The working fluid must be clean and filtered. Do not disassemble the quick coupling. Semiconductor type: Mainly used for semiconductor and fluororesin semiconductor production equipment. The main body material should be corrosion-resistant metal or all-resin products made from molded fluororesin (PFA). Precautions for use: Note: Perform leaching tests of sealing materials with the fluid to confirm material suitability. Use Teflon sealing tape for external threads of controlled threads. Do not exceed the maximum tightening torque during thread installation to prevent damage. To reduce friction (insertion load) and protect the "O" ring seal during insertion, apply the working fluid or pure water to the "O" ring seal or the quick coupling (wrinkle part of the "O" ring seal). During separation, a small amount of fluid may leak; to prevent hazards, use compressed air to discharge the fluid from inside the quick coupling before separation. Do not use as a hinge joint. Do not use for purposes other than quick fluid couplings. Do not subject to artificial impact, bending, or stretching to prevent damage. Do not pressurize sleeves or quick couplings individually to prevent the valve from ejecting. When used individually, the specified dust cap must be installed. Do not disassemble the quick coupling.

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