FILTREC hose fittings Germany FILTREC models FILTREC prices

FILTREC hose fittings are translated from the English word bushing, professionally known as reducing fittings. They are generally machined after cutting and forging hexagonal bars. There are many types of threads used. They connect internal and external threaded pipe fittings for two pipes with different diameters and play an irreplaceable role in pipe connections.

FILTREC hose fittings classification

Hydraulic terminology refers to components in hydraulic systems that connect pipelines or mount pipelines onto hydraulic elements. This is a general term for connectors that can be installed and removed within fluid pathways. Main types include: welded, ferrule-type, and flared types. Connector accessories include: nuts, ferrules, flared cores, flared sleeves, and flared nuts. Types of connectors include: end straight connectors, straight connectors, tee connectors, elbows, connectors with live nuts, hinged connectors, plugs, transition connectors, etc. Composition of double ferrule connectors: front ferrule, rear ferrule, nut. Common materials are stainless steel and copper, with metric, American, and British thread standards. NPT, PT, and G are all pipe threads. NPT is the abbreviation for National (American) Pipe Thread, belonging to the American standard 60 degree tapered pipe thread, used in North America. The national standard can be referenced in GB/T12716-1991. PT is the abbreviation for Pipe Thread, a 55 degree sealed conical pipe thread, part of the Whitworth thread family, widely used in Europe and Commonwealth countries. It is commonly used in water and gas pipeline industries, with a taper specified as 1:16. The national standard can be referenced in GB/T7306-2000. G is a 55 degree non-thread-sealed pipe thread, also part of the Whitworth thread family. Marked as G, it represents cylindrical threads. The national standard can be referenced in GB/T7307-2001. Additionally, markings such as 1/4, 1/2, and 1/8 in threads refer to the diameter of the thread size, measured in inches. Industry professionals often use fractions to describe thread sizes; one inch equals eight parts, so 1/4 inch corresponds to two parts, and so on. G seems to be the general term for pipe threads (Guan), where divisions like 55 and 60 degrees are functional, commonly referred to as pipe cylinders. That is, the thread is machined from a cylindrical surface. ZG is commonly called a pipe cone, meaning the thread is machined from a conical surface. Most water pipe connectors are like this, marked under the old national standard as Rc. Metric threads are expressed by pitch, while American and British threads are expressed by the number of threads per inch, which is their primary distinction. Metric threads have a 60 degree equilateral tooth profile, British threads have an isosceles 55 degree tooth profile, and American threads have a 60 degree profile. Metric threads use metric units, while American and British threads use imperial units. Pipe threads are primarily used for connecting pipelines, with tight fits between internal and external threads, available in both straight and tapered forms. Nominal diameter refers to the diameter of the connected pipeline, and clearly, the major diameter of the thread is larger than the nominal diameter. 1/4, 1/2, and 1/8 are nominal diameters of imperial threads, measured in inches.

FILTREC hose fitting crimping

How to crimp high-pressure pipe fittings: First is the international metric internal thread flat face fitting. Second is the international metric compression fitting. Third is the international metric internal thread 74 degree internal cone face fitting. Fourth is the international metric internal thread spherical face fitting. Fifth is the mining hydraulic support fitting. Precautions for using high-pressure oil pipe fittings: 1. When handling high-pressure oil pipes, ensure no external friction occurs to avoid damage. Although hoses are meant for use, we must not allow leakage on the exterior of the high-pressure oil pipe. 2. Do not bend high-pressure oil pipes, as this will cause internal damage and create unnecessary trouble for future use. 3. Do not use high-pressure oil pipes immediately. It is recommended to filter them with water first. Some high-pressure oil pipes are acid and alkali resistant; do not use liquids that conflict with the current fluid for testing. 4. When installing high-pressure oil pipe fittings, tighten them securely to prevent fluid leakage.

FILTREC hose fitting structure

Compression pipe fittings consist of three parts: fitting body, ferrule, and nut. When the ferrule and nut are placed on the steel pipe and inserted into the fitting body, tightening the nut causes the outer front end of the ferrule to fit against the conical surface of the fitting body, and the inner edge bites evenly into the seamless steel pipe, forming an effective seal. Basic meaning: Compression tee terminal fittings, also called tee terminal fittings, compression reducing tees, and compression equal tees. Common specifications: 10-10, 6-6, 8-8, G1/2-8, 14-14, 22-22, 8-6, 10-8, 14-10. Common materials: 20#, 1Cr18Ni9Ti, 304, 316, 316L. Material knowledge: Nominal pressure: 2.5MPa, 16Mpa, 25MPA, 64MPA. Applicable media: oil, water, gas, and other non-corrosive or corrosive media. Piping: Ф4 to Ф42 standard precision seamless steel pipes. Tapered pipe threads: ZG, R, G, PT, NPT, etc. Applications: Widely used in chemical, pharmaceutical, petroleum, scientific experiments, electrical engineering, and many other industries.

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