Masterflex hose connector Germany Masterflex model Masterflex price

Masterflex hose connector is translated from the English word bushing, professionally known as a reducing connector. It is generally processed by cutting and forging hexagonal bars. There are many types of threads used. It connects internal and external threaded fittings of two pipes with different diameters and plays an irreplaceable role in pipe connections.

Masterflex hose connector cleaning

To ensure the cleanliness of the lubrication system and supply clean grease to the bearings of mechanical equipment, the pre-installed piping must be removed and cleaned. Cleaning methods include kerosene cleaning and pickling. 1. Kerosene cleaning objects and methods: (1) Copper pipes, stainless steel pipes; (2) Steel pipes that have been pickled before pre-installation and have no rust or iron oxide scale on the inner wall; (3) Pipe joints dirtied during pre-installation; (4) Remove the pipes and joints to be cleaned. Wipe the inside of the pipes clean with a cloth (lint-free yarn) dipped in kerosene. Soak both ends and the joints in kerosene for cleaning. Then coat the inside of the pipes with machine oil or fill with grease, and seal both ends tightly for installation; (5) No visually visible contaminants (such as iron filings, fibrous impurities, welding slag, etc.) are allowed after cleaning. Special attention must be paid to thoroughly cleaning the welding slag on the inner wall of the welds. 2. Pickling objects: (1) Steel pipes not pickled before pre-installation; (2) Steel pipes that have been pickled but are severely corroded. 3. Pickling construction sequence and treatment purpose: (1) Degreasing: Use degreasing agents to remove grease adhering to the piping; (2) Water washing: Use clean water to remove dirt from the pipe material; (3) Derusting: Remove rust spots, rolling iron chips, etc. from the pipe wall in the pickling solution; (4) Water washing and high-pressure water rinsing: Rinse off attachments generated in the above operations with clean water, and rinse the inside of the pipe with high-pressure water; (5) Neutralization: Neutralize the residual acid liquid on the pipe material with alkaline solution; (6) Drying: To effectively dry, immerse the pipe material in hot water or perform steam drying to ensure the pipe material is completely dry; (7) Rust prevention; (8) Inspection: Inspect the pickled pipe material to check if it is cleaned thoroughly; (9) Packaging and storage: Immediately after pickling, seal the open ends of the pipes with plastic or plastic tape to prevent the intrusion of foreign matter, moisture, etc. 4. Precautions for pickling: (1) All welding operations on the pipes must be completed before pickling; (2) During disassembly, transportation, and pickling, take care not to damage the piping, threads, and sealing surfaces. Seal the openings with tape or plastic tubes; (3) Before pickling, thoroughly remove welding slag, splashes, and clear lacquer on the pipes generated during welding; (4) Protect all threaded parts with acid-resistant materials such as plastic tape or rubber tape, or apply dry oil to the threads after degreasing and water washing before derusting in the acid solution to prevent acid erosion; (5) During pickling, take care not to make the matching marks on the pipes disappear or become blurred.

Masterflex hose connector features

1. Since most pipe fittings are used for welding, to improve welding quality, the ends are machined into bevels with a certain angle and edge. This requirement is quite strict, with regulations on edge thickness, angle, and tolerance range. Surface quality and mechanical properties are basically the same as those of the pipes. For welding convenience, the steel grade of the pipe fittings is the same as that of the connected pipes. 2. All pipe fittings must undergo surface treatment. The iron oxide scale on the inner and outer surfaces is removed by shot blasting, and then anti-corrosion paint is applied. This is required for export. Additionally, in domestic markets, this process is performed to facilitate transportation and prevent rust and oxidation. 3. Packaging requirements: For small pipe fittings, such as for export, wooden crates are required, approximately 1 cubic meters. It is specified that the number of elbows in such crates should not exceed one ton. The standard allows nesting (i.e., smaller ones inside larger ones), but the total weight generally must not exceed 1 tons. For large items y, individual packaging is required. For example, 24″ items must be individually packaged. Additionally, packaging marks must indicate dimensions, steel grade, batch number, manufacturer trademark, etc.

Masterflex hose connector classification

Inert gas type, mainly used for vacuum piping and compressor pressure tests. Sleeves and plugs have built-in automatic shut-off valves suitable for vacuum applications. In the separated state, a vacuum degree of 1.3×10Pa can be maintained. Precautions for use: Do not exceed the maximum operating pressure limit. Do not use outside the operating temperature range to prevent wear or leakage of sealing materials. Do not manually hit, bend, or stretch to prevent damage. Do not connect or separate under pressure or residual pressure. Do not disassemble. Use sealing materials for external pipe threads. Do not manually hit, bend, or stretch to prevent damage. Do not use for 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 places mixed with metal powder or sand dust to prevent malfunction or leakage. Attachment of debris will 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 impact will reduce durability. Cold water and warm oil type, mainly used for general-purpose mold interfaces. Fully simplifies mold exchange operations, enhances rust prevention functions, and offers various types. Precautions for use: Note, do not use for fluids other than the applicable fluid. Do not exceed the maximum operating pressure limit. Do not use outside the operating temperature range to prevent wear or leakage of sealing materials. Do not manually hit, bend, or stretch to prevent damage. Do not use in places mixed with metal powder or sand dust to prevent malfunction or leakage. For threaded installation, 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 impact will reduce durability. The working fluid must be clean fluid filtered through a filter. Do not disassemble quick couplings. Semiconductor type, mainly used for semiconductor and fluororesin semiconductor production equipment devices. The main body material should be corrosion-resistant metal or full resin products molded from fluororesin (PFA). Precautions for use: Note, perform dissolution tests of sealing materials with the fluid to confirm material suitability. Use Teflon sealing tape for external pipe threads. Do not exceed the maximum tightening torque when installing threads to prevent damage. To reduce friction (insertion load) and protect the "O"-shaped seal ring during insertion, apply the working fluid or pure water to the "O"-shaped seal ring or quick coupling (folded part of the "O"-shaped seal ring). During separation, since a small amount of fluid flows out, use compressed air to discharge the fluid inside the quick coupling before separation to prevent hazards. Do not use as a hinge joint. Do not use for purposes other than quick fluid couplings. Do not manually hit, bend, or stretch to prevent damage. Do not pressurize sleeves or quick couplings individually to prevent valves from flying out. When used individually, the specified dust cover must be installed. Do not disassemble quick couplings.

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