Central Pneumatic 97521 Manuel d'utilisateur

Answers for infrastructure.Acvatix – the comprehensive range for greater energy effi ciencyReliable and economical valves and actuators for any type of

103-port and 4-port slipper valves with rotary actuatorsTypical applications Actuators Data sheet5 Nm 5 Nm 10 Nm / 12.5 Nm– Small to medium-size heat

113) With ASK35 mounting kitRecommended maximum fl ow velocity: VKF41.. 4 m/s for water, 40 m/s for gasVKF46.. 4.5 m/s for water, 60 m/s for gasButter

12Consumption/UseDistributionGeneration On-site control: room and zone applicationsThe room and zone controllers ensure comfort in individual living

13 Intelligent comfort when it mattersQuiet operation and fast and accurate control ensure optimum comfort. Practical in every respectWith Acvatix

14.. = kvs valueElite lineTypical applications Actuators Data sheet5.5 mm– Terminal units– Induction units– Chilled ceilingsSSB..N4891 200 N 200 NOpe

15MP+ P-p1p2p312345P+/P-12534The combi valves VPI45.. combine three functions: a control valve [3] for controlling the temper-ature (via the room cont

16TRV lineTypical applications Actuators Data sheet– RadiatorsRTN..N2111ThermalRTN51RTN71 RTN81RTN51GTypical applications Actuators Data sheet2.5 mm–

17On/Off lineTypical applications Actuators Data sheet2.5 mm– Terminal units– Domestic hot water storage tank charging– Zone controlSFA..N4863 200 N

18 Diverse choices for the supply and distribution of cooling energy or heat recoveryAcvatix offers you hermetically sealed mixing, diverting and 2-

19Refrigerant valvesTypical applications ValveOperating voltagePositioning signal Auxiliary functions– Expansion, direct/indirect hot-gas and hot-gas

2Acvatix – the crucial components for every economical and effi cient HVAC plant With Acvatix™ you decide for a comprehensive range of valves and actua

20 Valves and actuators for stability, accuracy and reproducibilityThe 2-port and 3-port valves 1) fi tted with magnetic actuators meet the demanding

212-port and 3-port valves for HVAC plants and special applicationsTypical applications Valve type Operating voltage Positioning signal– Fast-acting

22 Sizing and selectionCorrectly sized and selected valves and actuators make an important contribution– to the hydraulic and thermal control stabi

¹) DVGW = German Technical and Scientifi c Association for Gas and WaterHouse of valvesConsumption/UseChilled ceilingTypical for this application: sma

Valve sizing and actuator selectionBasic hydraulic circuit1Determine the type of hydraulic circuitThrottling circuitInjection circuit with 2-port valv

Size and select combi valvesDetermine volumetric fl ow V˙1 Determine Q100Q1002 Determine ΔTΔT3Calculate V˙Water without anti-freeze Water with anti-fre

Recommendation: Water treatment according to VDI 2035, ¹)Sealed bypass, 2)e.g. ethylene and propylene glycols, ³)open circuits IT = internally threade

27Permissible medium temperature [°C] Generation Distribution Consumption/Use-40-25-20-1001…90100110120130150180220350Boiler plantDistrict heatingChi

www.siemens.com/acvatixAnswers for infrastructure. Q Megatrends driving the futureThe megatrends – demographic change, urbanization, climate change, a

3Rugged valves and actuators – long lasting, convenient and accurate A safe investment thanks to high qualityAcvatix valves and actuators stand out

4 The heart: the central HVAC plantWhether they operate with water, steam or heat transfer oils, central HVAC plants are used to generate and distri

5 Investments that pay off in the long term Due to their rugged design and manufac-ture according to international produc-tion and testing standards

PN 6-10…150 °CDNkvs [m³/h]∆ps[kPa]∆pmax[kPa]∆ps[kPa]∆pmax[kPa]∆ps[kPa]∆pmax[kPa]∆ps[kPa]∆pmax[kPa]Data sheet N4310 N4410VVF21.22..25 1)VXF21.22..25 1)

Flanged 2-port and 3-port valves with 20/40 mm actuatorsTypical applications Actuators Data sheetSpring return function20 mm 40 mm– Heating plants– V

2) Fitted with pressure testing points 3) For ∆pmax = 400 kPa: leakage rate > 0.05% of volumetric fl ow V˙100. For ∆pmax = 230 kPa: leakage rate 0..

9PN 16-25…150 °CDNG [inch]kvs [m³/h]∆ps [kPa]∆pmax [kPa]∆ps [kPa]∆pmax [kPa]∆ps [kPa]∆pmax [kPa]Data sheet N4363 N4463VVG41.11..12 – –15 G 1B 0.63 / 1