Duff-Norton hose fittings Germany Duff-Norton model Duff-Norton price

Duff-Norton hose fittings are connection tools between pipes, serving as detachable connection points between components and pipes. Main pipe fittings come in a wide variety; commonly used pipe fittings are generally divided into 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 fit 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.

Duff-Norton hose fitting structure

Connects unthreaded steel pipes or unthreaded equipment cable outlets to hoses, eliminating the need for threading; metal fittings are die-cast from zinc alloy, with surfaces galvanized, sandblasted, or chrome-plated; compact structure, high strength. Reliable connection between steel pipes and metal hoses, aesthetically pleasing appearance; This metal fitting is self-locking, used to connect metal hoses to unthreaded steel pipes or unthreaded equipment cable outlets; compatible metal hoses: compatible steel pipes: thin-wall electrical conduits, black and white iron pipes; when selecting self-locking metal hose fittings, please note the specifications and dimensions of the connected steel pipes and hoses. 90 degree fitting 90 degree elbow fitting: thread specification: imperial thread product material: A, C, F parts are all made of high-quality steel. D is made of die-cast sheet metal. Color options: metallic (silver-white) operating temperature: -40 degrees to 100 degrees, instant heat resistance up to 120 degrees. Product features: forms a 90 degree angle with the enclosure after assembly, thickened zinc alloy, aesthetically pleasing appearance, compact structure, high strength.

Duff-Norton hose fitting precautions

Before installation, all steel pipes can be pickled according to the requirements of Chapter 9, especially steel pipes connected with compression fittings should be pickled first, and then the ferrules should be pre-tightened on the pipe ends; (2) all pipe fittings should be cleaned with kerosene before installation, and the o type O-rings inside should be temporarily removed and stored, to be installed during formal installation; (3) during construction, keep the oil ports of pumps, distributors, and other equipment, as well as the openings of pipe fittings and pipe ends, clean, preventing water, dust, and other foreign matter from entering; (4) pipelines should be laid in a free state, and excessive radial force should not be applied to forcibly fix and connect pipelines after welding; (5) check the oil holes of bearing housings in advance to ensure internal oil passages are clear and oil port threads match the fittings.

Duff-Norton hose fitting features

Threaded fittings refer to pipe connectors with threads, representing one of the most common pipe fittings in industrial and daily life applications. Threaded fittings simplify pipe connections and make disassembly and replacement easier, significantly reducing pipe connection costs. Threaded fittings generally include threaded elbows, threaded tees, threaded union joints, threaded caps, threaded couplings, threaded reducers, threaded plugs, threaded male adapters, bushings, etc. Industrial threaded fittings are generally made of metal, offering high pressure resistance, with materials including carbon steel, stainless steel, alloy steel, brass, etc.; materials for threaded fittings used in daily life generally include PC, PVC, PE, PPR, etc.

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