German Auma valves Auma models Auma prices

Auma valves serve an on/off function. They are commonly installed at the inlets and outlets of cold and heat sources, at equipment inlets and outlets, and on pipeline branches (including risers); they can also be used as drain valves and air vent valves. Common shut-off valves include gate valves, globe valves, ball valves, and butterfly valves. Gate valves can be classified into rising-stem and non-rising-stem types, single-disc and double-disc types, and wedge-disc and parallel-disc types. Gate valves do not provide tight shutoff, and large-diameter gate valves are difficult to open; the valve body size along the flow direction is small, resulting in low flow resistance, and gate valves cover a wide range of nominal diameters. Globe valves are classified into straight-through, angle, and Y-pattern types based on media flow direction, and are available in rising-stem and non-rising-stem versions. Globe valves provide tighter shutoff than gate valves, have a longer valve body, higher flow resistance, and a maximum nominal diameter of DN200. The ball valve core is a perforated sphere. Rotating the stem aligns the bore with the pipe axis for full open position, and rotating it 90° achieves full closure. Ball valves offer some throttling capability and provide relatively tight shutoff. The butterfly valve core is a circular disc that rotates around a vertical axis perpendicular to the pipe axis. When the disc plane is aligned with the pipe axis, the valve is fully open; when the disc plane is perpendicular to the pipe axis, the valve is fully closed. Butterfly valves have a short body length, low flow resistance, and are more expensive than gate valves and globe valves. The butterfly valve core is a circular disc that rotates around a vertical axis perpendicular to the pipe axis. When the disc plane is aligned with the pipe axis, the valve is fully open; when the disc plane is perpendicular to the pipe axis, the valve is fully closed. Butterfly valves have a short body length, low flow resistance, and are more expensive than gate valves and globe valves.

Auma valve accessories

Valves and fittings are used for pipeline connection or control systems. Valves and fittings cannot exist independently; they are complementary. Valve fittings are available in carbon steel and stainless steel, as well as PVC, or other materials. The first two are the most common. In recent years, with the improvement of living standards, demand for processed food has increased. This has driven the rapid development of food machinery, leading to a boom in the production of stainless steel sanitary valves and fittings. When people refer to valve fittings, they mostly mean stainless steel sanitary grade.

Auma valve specification precautions

Acceptance follows HG 20202-2000 "Code for Construction and Acceptance of Degreasing Engineering". Before assembly, each component is wiped with clean precision filter paper; selecting dead corners of the component, no color change on the filter paper indicates compliance. 1) The valve model shall indicate the required national standard number. If it is an enterprise standard, relevant model descriptions shall be provided. 2) Valve working pressure shall be ≥ pipeline working pressure; without affecting price, the pressure the valve can withstand should be greater than the actual pipeline working pressure. 3) Valve manufacturing standards shall specify the national standard number referenced; if it is an enterprise standard, enterprise documents shall be attached to the procurement contract.

Auma valve common faults

Rubber elastomers in butterfly valves may experience tearing, wear, aging, perforation, or even detachment during continuous use. Traditional hot vulcanization processes are difficult to adapt to on-site repair needs, requiring specialized equipment, consuming large amounts of thermal and electrical energy, and being time-consuming and labor-intensive. Nowadays, polymer composite material methods are gradually replacing traditional methods, with the Fosbel technology system being the most widely applied. Its products possess superior adhesion and excellent wear and tear resistance, ensuring that repairs achieve or even exceed the service life of new components, significantly reducing downtime.

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