METABO hose connector Germany METABO model METABO price

METABO hose connectors are connection tools between pipes and serve as detachable connection points between components and pipes. Main pipe fittings come in a wide variety; commonly used pipe fittings are generally divided into two types: rigid pipe fittings and hose fittings. Rigid pipe fittings include flared, compression, and welded types, while hose fittings are primarily crimped rubber hose fittings. A compression pipe fitting consists of three parts: the fitting body, the ferrule, and the 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 seat against the conical surface of the fitting body, and the inner cutting edge uniformly bites into the seamless steel pipe, forming an effective seal. These are sealed pipe fittings suitable for non-corrosive or corrosive media such as oil, water, and gas. The specifications for use with aluminum-plastic pipes are relatively flexible. After connection to the pipeline, they feature reliable connections and good sealing performance.

METABO hose connector selection

What are hydraulic pipe fitting materials? Since ordinary hydraulic oil is not corrosive to steel pipes and steel fittings, carbon steel fittings are widely used in hydraulic systems. Pipelines for drinking water or pure water should not use ordinary carbon steel. Previously, regulations for compressed air specified the use of brass pipes because compressed air carries moisture that accumulates inside the pipe; using carbon steel pipes would cause corrosion. Advanced air compression machinery no longer produces moisture, so this regulation has lost its significance. Chemical equipment pipelines typically transport various corrosive fluids and require frequent flushing with solvents or water. Therefore, ordinary chemical pipelines must be stainless steel. When considering media corrosivity, the primary consideration should be the relationship between the pipeline seals and the media. Nitrile rubber (NBR) is widely used in hydraulic systems due to its compatibility with ordinary hydraulic oils. At certain temperatures, nitrile rubber (NBR) is also compatible with synthetic acetaldehyde, glycol-based chemical liquids (HEPG), and plant-derived liquids. However, nitrile rubber (NBR) is not suitable for contact with acidic media, benzene, or synthetic oils at high temperatures; in these cases, fluorocarbon rubber (FKM) should be used. Conversely, methane and refrigerant ammonia are only compatible with nitrile rubber (NBR), so most chemical stainless steel pipelines use rigid seals. To select a pipe fitting, you must know its nominal pressure. Nominal pressure is a standard parameter numerically equal to the system's maximum working pressure. The maximum working pressure must satisfy a static safety factor of 4 times and a dynamic safety factor of 1.33 times. This is defined as the smaller of two values: the burst pressure determined by burst testing divided by 4, and the maximum pulse pressure divided by 1.33. When selecting pipe fittings, the maximum working pressure of each fitting must be at least equal to the maximum set working pressure of the entire hydraulic system's operating state. You must consider not only the pump outlet pressure but also the relief valve cracking pressure. Therefore, when designing complex hydraulic pipelines, it is best to determine actual pressures through on-site measurement. Once the system working pressure is determined, check the maximum working pressure of each selected pipe fitting. The maximum working pressure of a pipe fitting can vary depending on the sealing method or temperature changes: the same pipe fitting will achieve a higher working pressure with elastic sealing than with rigid sealing.

METABO hose connector usage

Metal hose three-column connectors are generally used to connect low-pressure air pipelines for air conditioners, heating systems, humidifiers, exhaust fans, and similar equipment. They are universal connectors that are easy to install and have a very stable structure. They are widely used for connecting home air conditioning, heating, household humidifiers, exhaust fans, and other residential air pipelines. Metal hose three-column connectors can be applied to various indoor vertical or horizontal air pipelines for air conditioners, heating systems, and humidifiers. They can connect air conditioning pipes of different diameters and are suitable for connecting indoor air conditioning systems, heating systems, household humidifiers, exhaust fans, and other residential air pipelines. Metal hose three-column connectors can be used for installing various indoor air conditioning systems in industrial plants, shopping malls, office buildings, and residences, connecting air conditioning pipes together to make installation more convenient. Metal hose three-column connectors can also be applied to automotive air conditioning systems, car humidifiers, car exhaust fans, and other automotive air pipelines, connecting car air conditioning pipes to make automotive air conditioning system installation more convenient. In summary, metal hose three-column connectors are widely applicable for connecting residential air pipelines for home air conditioning, heating, household humidifiers, and exhaust fans, as well as for connecting automotive air pipelines for car air conditioning systems, car humidifiers, and car exhaust fans, making installation more convenient.

METABO hose connector principle

Quick-change connectors come in two types: one with a check valve and one without. In applications with a check valve, the check valve end connects to the air source. When disconnected, the check valve automatically closes; when connected, the pin on the movable end opens the check valve. Self-locking is achieved by embedding steel balls into grooves, while a 'cone-cylinder' sleeve locks the steel balls in place.

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