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AS-SCHNEIDER INSIGHTS

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AS-Schneider again received the coveted DUALIS certificate for outstanding apprentice training.

Successful DUALIS re-certification

AS-Schneider offers apprentice training at the highest level. Our family company has been recertified. In autumn this year, AS-Schneider again received the coveted DUALIS certificate for outstanding apprentice training.

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Arctic operation valves for extreme cold.

Valves in extreme cold: 3 criteria are decisive

Whether in Alaska, Norway or Russia: Industrial valves, such as those used in chemical plants or the oil industry, are exposed to extreme cold as low as -55°C in some regions. However, not all industrial valves are suitable for operation in extreme cold. Three criteria are decisive.

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Ultrasonic flow meter applications.

Ultrasonic Flow Meter Applications

Ultrasonic flow meters are used to measure hydrocarbon gases in applications which require wide range (turn-down ratio), very high or low flow, low restriction, high accuracy or any combination of these from low pressure to super-high pressure.

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Does the seal ring fit? Avoid bad surprises.

Does the seal ring fit? Avoid bad surprises.

Direct mount manifolds for direct mounting on pressure and differential pressure transmitters are normally protected against overheating by hot process media by means of correspondingly long impulse pipings. Nevertheless, many users demand that the manifolds and their flange connection to the transmitter can easily withstand even higher temperatures. For this, the manifolds must be equipped with gaskets made of graphite. This means they can easily be used at up to 550 degrees Celsius – much more than required by the current EN 61518 / IEC 61518 standards.

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Metal seated ball valves for extreme operation conditions.

Metal seated ball valves for extreme operation conditions

Our customers are often faced with the challenge of determining exactly the right valve/manifold application for extreme operating conditions. For process plants I can recommend the use of metal seated ball valves if abrasive products, high temperatures and pressures are present. Extreme operating conditions with temperatures up to 450 °C and pressures up to 420 bar require a special sealing technology for ball valves. Standard soft seated ball valves simply aren’t ready for this kind of requirements. Their plastic seats would fail.

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