- Disponível para todas as válvulas AZ
- -trocadores de calor
- -comutação de bombas
- -comutação de válvulas de segurança
- -sistemas de filtragem
- -comutação de reatores
- Operadas por alavanca, redutores ou atuadores
Sample applications Filter-cycle Replacement or cleaning of filter is possible without any problems by application of AZ-crossover-valve-combinations. When filter 1 is blocked up the valve combination is switched over to flow consequently regulated by filter 2. Therefore it is possible to replace the filter 1 without interruption of the continuous flow. If “LL”- plug is used moreover a continuous flow during the phase of switching is guaranteed. In this case a complete closing during switching is not possible. Pump-cycle On break-down of pump 1 an easy replacement of pump 1 is possible by switching the valve combination to pump 2 without interruption of the continuous flow. If “LL”- plug is used moreover a continuous flow during the phase of switching is guaranteed. In this case a complete closing during switching is not possible.
Operating temperatures < -30°C and > 220 °C have to be checked and approved by AZ according to the operating conditions. Besides the P/T value of the sleeve the limitations of the valve bodies also have to be considered. Please refer to the EN 12516-1 resp. ASME B16.34 in order to choose a proper pressure rating (PN/class). The shown values refer to austenitic stainless steel 1.4408 (A351 Gr. CF8M). 1) For operating temperatures below -10°C low temperature / austenitic steels are required. 2) Sleeve: There are different sleeve materials / compounds available.
Standard body materials • Carbon Steel 1.0619, ASTM A216 WCB • Stainless Steel 1.4408, ASTM A351 CF8M • Stainless Steel 1.4308, ASTM A351 CF8 • Unalloyed stainless steel casting (low Temp.) 1.1138, LCC/LCB/A352 Standard plug materials • Stainless Steel 1.4408, ASTM A351 CF8M • Stainless Steel 1.4308, ASTM A351 CF8 Special materials • Alloy • Monel • Nickel • Zirconium • Titan • Tantal • other materials on reques
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Order the desired combination, port form select by AZ.
1 Locking Devices Pilot valve combinations, pad lock eyelets, linear key conception, indexing plunger arrestor. read more […] 2 Plug stem extension Solid construction in stainless steel with T-wrench, Standard extension 100 mm or 150 mm, non standard lengths are available on request read more […] 3 Actuators Actuators for mounting-flange acc. to DIN ISO 5211 read more […] NEW: Pneumatic actuator AIR GEAR for plug valves with high torque =150.000 Nm read more […] 4 Ratched coupling To usw on multiport valves with standard 90° actuator for bigger switchpositions than 90° read more […] 5 Cover extension Solid construction in stainless steel, Standard extension 100 mm or 150 mm high, non standard lengths are available on request . Hexagonal bolts on adjustment ring freely accessible. Note: Don’t use with sealing FSN/FSN-SL and CASN/CASN-SL read more […]