The process of making the elbow

The process of making the elbow

Elbow manufacture process: welding elbow is made of steel plate as raw materials, after the first turn on the steel plate cutting ChengLiao as required, with the mould, also by die stamping into round, use two same split again, welding, etc., as a result of the existence of weld, so must carry on the nondestructive flaw detection, because of the existence of the welding stress, so need to heat treatment.There are two more procedures for welding elbow than for pushing elbow: one is flaw detection and the other is heat treatment. The other procedures are the same as that for pushing elbow. Please refer to the production process of pushing elbow.

The company has advanced production technology, production equipment and test testing system in the production of elbow.Our company's elbow pipe fittings and domestic and foreign new and old customers to establish a friendly relationship of development, sincere cooperation, to achieve a win-win situation, create a grand cause.

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Stainless steel elbow in the installation before attention: stainless steel elbow in the installation of the first regular inspection, often on the exposed processing surface must be kept clean, remove dirt, neatly stored in the indoor ventilated dry place, it is strictly prohibited to pile or open air storage.There is an inverted sealing device in the gate and the upper threaded valve, and the handwheel rotates to the top head surface for a long time without rust and corrosion.Always keep the stainless steel elbow dry and ventilated, keep the retainer clean and tidy, and store it according to the correct storage method.Stainless steel elbow ball valve, globe valve, gate valve use, only fully open or fully closed, do not allow to adjust the flow with, so as to avoid the sealing surface by erosion, accelerated wear.

The company mainly produces stainless steel, carbon steel elbow, seamless elbow, welding elbow, alloy elbow, national standard elbow and other various models and various materials of elbow.