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Data Sheet Rotary Plug Valve Type 72.4 Double eccentric control valve for process engineering and industrial applications Valve size Nominal pressure Temperature Valve body made of Cast/carbon steel or Stainless cast/carbon steel Metal sealing, armored or unarmored Soft sealing The valves can be equipped with different accessories, such as positioners, solenoid valves and other accessories according to VDI/VDE 3845. Standard version For temperatures from –100 to 400 °C (–148 to 752 °F) Version Sandwich-style body (no flanges) DN 25 to DN 300, PN 10/PN 16/PN 25/PN 40, faceto-face dimensions acc. to EN 558-1, Table 16, Series 36 NPS 1 to NPS 12, Class 150/Class 300, face-to-face dimensions acc. to EN 558-2, Table 16, Series 36 VETEC Type 72.4 Rotary Plug Valve (example with mounted Type AT Actuator) TA-Luft packing/double packing Special materials for body and trim Noise-reducing features Flange version with tongue/groove according to EN 1092-1 RF according to ANSI Versions for higher and lower temperatures on request
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Principle of operation The shaft/plug arrangement is eccentric (Figs. 3 and 4). The double-eccentric design of the rotary plug valve is achieved in combination with the offset of the plug's pivot. When turning the plug shaft from closed position in opening direction, the double-eccentric design allows the plug to lift off the seat smoothly without initial breakaway torque. The valve is not opened suddenly and shows a stable control response even with small opening angles. The rotary plug valve can be used for both directions of flow. Double-eccentric principle For gases and vapors, the...
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Table 1: Technical data
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Table 3. Kvs and Cv coefficients 3a. seat with metal sealing FTO
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3c. seat with soft sealing Flow rate Table 4: Weight in kg (without actuator)
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Order specifications:
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VETEC Ventiltechnik GmbH Siemensstraße 12 · 67346 Speyer Telefon: 06232 6412-0 · Fax: 06232 42479 · E-mail: vetec@vetec.de · Internet: www.vetec.de Sitz der Gesellschaft: 67346 Speyer · Registergericht: Amtsgericht Ludwigshafen HRB 51677 · USt-IdNr.: DE149689913 · Geschäftsführer: Uwe Vogel
カタログの7ページ目を開くSAMSON/サムソンのすべてのカタログと技術パンフレット
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