TECHM hose fittings Germany TECHM models TECHM prices

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

TECHM hose fitting classification

Classified by material. Carbon steel: ASTM/ASME A234 WPB, WPC; Alloy: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911, 15Mo3 15CrMoV, 35CrMoV; Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N; ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti; ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H; Low-temperature steel: ASTM/ASME A402 WPL3-WPL 6; High-performance steel: ASTM/ASME A860 WPHY 42-46-52-60-65-70; Cast steel, alloy steel, stainless steel, copper, aluminum alloy, plastic, argon chrome asphalt, PVC, PPR, RFPP (reinforced polypropylene), etc. Classified by manufacturing method: push-formed, pressed, forged, cast, etc. Classified by manufacturing standard: national standard, electrical standard, marine standard, chemical industry standard, water supply standard, American standard, German standard, Japanese standard, Russian standard, etc. Classified by radius of curvature: long-radius elbows and short-radius elbows. Long-radius elbow means its radius of curvature equals 1.5 times the outer diameter of the pipe, i.e., R=1.5D; Short-radius elbow means its radius of curvature equals the outer diameter of the pipe, i.e., R=1.0D. (D is the elbow diameter, R is the radius of curvature). Classified by pressure rating: there are approximately seventeen grades, identical to American pipe standards, including: Sch5s, Sch10s, Sch10, Sch20, Sch30, Sch40s, STD, Sch40, Sch60, Sch80s, XS; Sch80, SCH100, Sch120, Sch140, Sch160, XXS; among which STD and XS are the most commonly used. Classified by shape and application: groove-type elbow, compression-type elbow, double-socket elbow, flange elbow, reducing elbow, fixed-seat elbow, internal/external thread elbow, stamped elbow, push-formed elbow, socket-weld elbow, butt-weld elbow, internal thread elbow, etc.

TECHM hose fitting usage

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

TECHM hose fitting usage

The connection between hose fittings and hoses is generally completed using a hose crimping machine. First, cut the hose to the required size. Then, strip the outer rubber layer of the hose to the measured dimensions. Next, install the hose fitting. Finally, crimp it using the hose crimping machine. The specific steps are as follows: 1, select the appropriate hose and cut it to the specified length. 2, strip the outer rubber layer from both ends of the hose. 3, select the appropriate type of hose fitting. 4, sequentially install the fitting stem (apply oil) and the hose fitting sleeve. 5, crimp using the crimping machine, ensuring the appropriate crimping amount is selected. 6, after crimping is complete, clean rubber debris from the inner wall of the hose, then install the dust cap, sealing ring, and retaining ring.

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