2-Port and 3-Port Seat Valves with Female Thread, PN16
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1 4 362 VVI4 VXI4 2-Port and 3-Port Seat Valves with Female Thread, PN6 VVI4... VXI4... ronze valve body CC49K (Rg5) DN5... DN50 k vs m 3 /h Female threaded connections Rp as to ISO 7/ Can be equipped with actuators SQX... and SKD... Use For use in heating, in ventilating and air conditioning systems as a control or safety shutoff valve as per DIN For closed and hydraulic circuits. Media Standard version for: Cooling water Chilled water Low temperature hot water High temperature hot water Water with anti-freeze Saturated steam (up to max..5 bar abs.) rine C Media below 0 C: SZ6.5 stem heating element required to prevent freezing of the valve stem in the sealing gland. Water with anti-freeze and brine: down to 25 C as per DIN 358 (stress case I) CEN4362en For sia Pacific Use Only! Siemens uilding Technologies HVC Products
2 Type summary Type Type DN k vs S v 2-port valves 3-port valves [m 3 /h] VVI VXI > 50 VVI4.5-4 VXI VVI VXI > 00 VVI VXI VVI VXI VVI VXI VVI VXI DN = Nominal size k vs = Nominal flow rate of cold water (5 30 C) through the fully open valve (H 00 ), by a differential pressure of 00 kpa ( bar) S v = Rangeability k vs / k vr as per VDI 273 k vr = The lowest value for k v at which the characteristic tolerance is still maintained, at a differential pressure of 00kPa ( bar) ccessories Ordering Electric stem heating element, C 24 V, required for media below 0 C : SZ6.5 When ordering, please specify the quantity, product name and type code. The type SQX and SKD actuators must be ordered separately. Example 6 3-port valves, type VVI Delivery Valve and actuator are packed and supplied separately. Equipment combinations Valves SQX... SKD... 2) p s p s 2) VVI VXI VVI4.5-4 VXI4.5-4 VVI VXI VVI VXI VVI VXI VVI VXI VVI VXI Data sheet , 4563 For 3-port valves in diverting function, max. 00kPa is recommended. If noise is permitted, the same values apply as for mixing applications 2) Valid for 2-port valves only = Maximum permissible differential pressure across the valve's control path, valid for the entire actuating range of the motorized valve (maximum recommended operating differential pressure) p s = Maximum permissible differential pressure at which the motorized valve will close securely against the pressure (close off pressure) 2/8 uilding Technologies 2-Port and 3-Port Seat Valves with Female Thread, PN6 CEN4362en HVC Products For sia Pacific Use Only!
3 Overview of actuators ctuator Type of actuator Operating voltage Positioning signal Spring return function Positioning time Positioning force SQX32.00 Motoric C 230 V 3-position No 50 s 700 N SQX s SQX82.00 C 24 V 50 s SQX s SQX62 DC 0 0 V 35 s SKD32.50 Electro- C 230 V 3-position No 20 s 000 N SKD32.2 hydraulic Yes 30 s SKD32.5 Yes 20 s SKD82.50 C 24 V No 20 s SKD82.5 Yes 20 s SKD60 DC 0 0 V No 30 s SKD62 yes 30 s and / or DC m or Ω Pneumatic actuators Pneumatic actuators are available on request from your local office. For VXI4 the application is only possible if the valve is used as mixing valve Sizing Flow diagram V 00 [m³/h] DN - k vs p v00 [bar] p v V 00 [l/s] 4362D0 p v 00 = Differential pressure across the fully open valve and the valve s control path by a volume flow V & 00 &V 00 = Volume flow through the fully open valve (H 00 ) 00 kpa = bar 0 mwg m 3 /h = 78 l/s water at 20 C uilding Technologies 2-Port and 3-Port Seat Valves with Female Thread, PN6 CEN4362en HVC Products For sia Pacific Use Only! /8
4 Valve flow characteristics VVI4... VXI Flow k v / k vs D02 Flow k v / k vs D03 Stroke H / H 00 Stroke H / H 00 Working pressure and temperature Working pressure [bar] D04 Working temperature [ C] Working pressure staged as per ISO 7268 and EN 333 at operating temperatures of C as per DIN 4747 and DIN 358. Mechanical design VVI4 mixing VXI4 diverting 4362Z Z08 = 00 % = 0 00 % = 00 0 % 4362Z09 The two-port seat valve does not become a three-port valve by removing the blank fitting. 4/8 uilding Technologies 2-Port and 3-Port Seat Valves with Female Thread, PN6 CEN4362en HVC Products For sia Pacific Use Only!
5 Notes Engineering We recommend installation in the return pipe, as the temperatures in this pipe are lower for applications in heating systems, which in turn, extends the stem sealing gland's life. Water quality requirements as per VDI We generally recommend to install a strainer to increase the valve's functional safety. For media below 0 C, use the electric SZ6.5 stem heating element to prevent the valve stem from freezing in the sealing gland. For safety reasons, the stem heating element has been designed for C 24 V / 30 W operating voltage. Use the 3-port valve VXI4 primarily as mixing valve Mounting oth valve and actuator can easily be assembled at the mounting location. Neither special tools nor adjustments are required. The valve is supplied with mounting instructions no Mounting positions Z0 Direction of flow When mounting, pay attention to the valve's flow direction symbol: 2-port 3-port mixing 3-port diverting Commissioning Commission the valve only if the actuator has been mounted correctly. Stem retracts: Increasing flow Through-port opens, bypass closes Stem extends: Decreasing flow Through-port closes, bypass opens Service Stem sealing gland For actuator service work: Turn off the pump and the operating voltage, close the shutoff valves, depressurize the pipes and allow them to cool down. Disconnect the electrical connections, where required, from the terminals. Re-commission the valve only if the actuator has been mounted correctly. The glands can be exchanged without removing the valve, provided the pipes are depressurized and cooled off and the stem surface is unharmed. If the stem is damaged in the gland range, replace the entire stem-plug-unit (on 2-port valves only). Contact your local office or branch. Spare parts Standard version 4363Z03 Replacement for EPDM-O ring sealing gland made from brass, including flat seal made from copper, for cooling water, chilled water, low temperature hot water, high temperature hot water, saturated steam, and brine C For VVI4... and VXI4... DN5... DN50 (Stem dia. 0 mm) /8 uilding Technologies 2-Port and 3-Port Seat Valves with Female Thread, PN6 CEN4362en HVC Products For sia Pacific Use Only!
6 Disposal The valve must be dismantled and separated into its various constituent materials before disposal. Observe all local and applicable laws. Warranty The technical data supplied for these valves is valid only for valves used in conjunction with the actuators listed under «Equipment combinations». Use with third-party actuators invalidates any warranty offered by Siemens uilding Technologies / HVC Products. Technical data Operating data PN class PN6 to EN333 Valve flow characteristic Through-port 0 30 % % ypass (VXI4...) % Leakage Through-port ypass (VXI4 ) Permissible media linear n gl = 3 as per VDI / VDE 273 linear ccording to DIN EN % of k vs value % of k vs value Cooling and chilled water, low-temperature hot water and water with frost protection additives. Recommendation: Water should be treated as specified in VDI 2035 Temperature of medium C Rangeability S v > 50 (DN5), > 00 (DN 20) Permissible operating pressure 600 kpa (6 bar), ISO 7268 / EN 333 Materials Nominal stroke Valve body Plug Stem Sealing gland Gland materials 20 mm ronze CC49K (Rg5) rass Stainless steel rass EPDM O-rings Dimensions / Weight Dimensions See «Dimensions» (table) Female threaded connections Rp... as to ISO 7/ Weight See «Dimensions» (table) S v = Rangeability k vs / k vr as in VDI 273 k vs = Nominal flow rate of chilled water (5 to 30 C) through the fully opened valve (H 00 ) at a differential pressure of 00 kpa (bar). k vr = The lowest value for k v at which the characteristic tolerance is still maintained, at a differential pressure of 00 kpa ( bar) 6/8 uilding Technologies 2-Port and 3-Port Seat Valves with Female Thread, PN6 CEN4362en HVC Products For sia Pacific Use Only!
7 Dimensions L3 Rp H H H2 4362M0 L2 L N DN L L2 L3 H H2 H + SQX H + SKD G N [mm] [mm] [mm] [mm] [mm] [mm] [mm] [inches] [mm] kg [kg] VVI Rp½ 60.3 VVI > 450 > 525 Rp½ 60.3 VVI Rp¾ VVI Rp 64.7 > 460 > 535 VVI Rp/ VVI Rp/ > 470 > 545 VVI Rp L3 Rp H H H2 4362M02 L2 L N DN L L2 L3 H H2 H + SQX H + SKD G N [mm] [mm] [mm] [mm] [mm] [mm] [mm] [inches] [mm] kg [kg] VXI Rp½ 60.5 VXI > 450 > 525 Rp½ 60.5 VXI Rp¾ 60.6 VXI Rp > 460 > 535 VXI Rp/ VXI Rp/ > 470 > 545 VXI Rp uilding Technologies 2-Port and 3-Port Seat Valves with Female Thread, PN6 CEN4362en HVC Products For sia Pacific Use Only! /8
8 8/ Siemens uilding Technologies Ltd uilding Technologies 2-Port and 3-Port Seat Valves with Female Thread, PN6 CEN4362en HVC Products For sia Pacific Use Only!
2-port and 3-port seat valves, PN16
s 4 47 VVI47 VXI47 CVTIX 2-port and 3-port seat valves, PN6 with internally threaded connections VVI47.. VXI47.. ronze valve body CC49K (Rg5) DN 5...5 k vs 2.5...4 m 3 /h Internally threaded connections
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