Stainless steel, also called corrosion-resistant steel, can resist corrosion when exposed to air and moisture. Its non-rusting characteristic mainly depends on a special alloy element contained, that is, chromium.

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The machining, especially welding, will cause welding defect and damage to stainless steel. It is necessary to carry out pickling, passivation and polishing to achieve a neat and beautiful appearance.

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All kinds of metals will react with oxygen and form an oxidation film. Compared with other metals, carbon steel may produce iron oxides, which will continue the oxidation, intensify corrosion, and create small holes.

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Stainless steel, a kind of high-alloy steel, is widely used in various industries with neat and beautiful appearance. Representative stainless steels include 13 chrome steel, 18/8 chrome-nickel steel

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The stainless steel shut-off and switching valve can be opened through the handle and is composed of few disassemblable parts. It comes with simple structure and open support that sets the pneumatic

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The stainless steel stop valve is strict with its body material, which can be 310, 304, 316, and so forth. The valve is widely applied in chemical, vessel, food and other industries. It may be separated into manual

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With simpler structure than that of the sluice valve, the stainless steel stop valve is convenient to manufacture and maintain.

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The stainless steel globe valve is fit for high-temperature or high-pressure pipelines and equipments, such as pipelines in heat-engine plants, nuclear power stations or petrochemical works.

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The stainless steel globe valve operated by a hand wheel or handle can be mounted anywhere of a pipeline.
The flow direction of medium must comply with the direction shown on the body.

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The sanitary constant pressure control valve is design to keep inlet pressure or outlet pressure constant. So its application contains filters, heat exchangers, pasteurization system, and so forth

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The safety valve can prevent boilers, pressure vessels, pipes and other equipment from overpressure damage. If the fluid pressure is slightly beyond standard working pressure, namely the opening pressure

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If the regular opening test is required, the safety valve with a lifting handle is more appropriate. When the medium pressure is more than 75% of opening pressure, the valve disk can be slightly lifted through the handle

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There are two independent plungers in the mixproof valve, which enables the valve to operate in special occasions. Its valve body and the single-acting or double-acting actuator have been thickened to

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The sanitary mix proof valve can be operated by compressed air. The normally-closed valve is equipped with two miniature normally-open pneumatic valves, namely, a detecting valve and a valve for CIP

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A check valve is also known as reflux valve, cut-off valve, counterbalance valve or non-return valve. As an automatic valve, it automatically opens or closes with the help of the force of media flow within the pipeline

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The material of sanitary pipe fittings must be stainless steel, usually 304 or 316L. Both the inside and the outside of these fittings should undergo mechanical polishing or electropolishing.

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The sanitary valve consists of the sanitary butterfly valve, ball valve, diaphragm valve, check valve, and so on. For example, butterfly valves are commonly employed in food, pharmacy, cosmetics

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Sanitary sampling valves are exclusively used in food, pharmaceutical, cosmetics, petroleum, metallurgy, water heating and other industries.

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Specific heat capacity varies along with temperature variation. If the phase change or sedimentation takes place within metal, its specific heat capacity will change remarkably.

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The sanitary valve refers to the valve used for places requiring high levels of hygiene in pharmacy, food and other industries. Its body is mainly manufactured from high-quality 316L stainless steel.

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It consists of two plastic seals, which has good performance, and is extensively applied in vacuum system.
It can open or close rapidly, and allows remote control.

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Dismantle the covers on both sides of the flange, and clean the stainless steel sanitary ball valve when it opens.
Test the valve according to the specified signal, and then install it if qualified.

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The long-term unused ball valve is supposed to be coated with rust-preventive oil, and regularly inspected and cleaned. It should be stored in a dry and well-ventilated area, and both ends of its channel must be blocked.

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The butterfly valve should be perpendicular to pipes. Its round disc is rotatable around the axis. The valve can be divided into two types, namely, double-clip butterfly valve and flange butterfly valve.

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The sanitary pneumatic flow control valve can control carious physical quantities, like pressure, temperature and flow, and is popularized in food, pharmaceuticals, clean steam, cosmetics, and other industries.

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