Vexve Balancing Valve User Manual
Contents
1. Valves World Wide 30 03 2010 Vexve Balancing Valve User Manual Vexve Balancing Valve User Manual Table of Contents 10 General Precautions and Notifications Markings Valve Transportation and Storage Installations and Welding to the Pipeline 5 1 Welding Commissioning and Use 6 1 Calculating the Pre Set Values 6 2 Setting the Pre Set Values 6 3 Flow Measuring Maintenance 7 1 Assembly Disassembly of Manual Gear 7 1 1 Adjusting of Manual Gear Maximum Allowable Pressure at Different Temperatures Kv Value Chart Materials Vexve Balancing Valve User Manual 1 General Vexve Balancing Valves Colour blue Vexve steel balancing valve is designed for clean mediums and to be used in district heating and cooling pipelines The valve is designed for applications where the water is oxygen free or e g for glycol based applications Please consult with the manufacturer on other applicable applications The valve body is from pressure equipment steel The shaft and ball are manufactured from the stainless steel material The ball seals are carbonized Teflon PTFE The stem sealing is done by the O rings The O rings are FPM viton rubber The valve is bi directionally tight The valve opens when turning the manual gear to clockwise The position indicator line at the top of the stem shows the balls position versus the stem The handle is aligned with pipeline when the valve is open Also the indicato2. 5 5 1 64 3 50 4 21 7 18 11 94 20 94 33 21 51 84 81 72 127 08 183 0 325 0 510 0 5 5 6 0 2 04 4 50 5 14 857 1404 25 20 38 88 60 84 97 92 151 92 219 0 380 0 600 0 6 0 6 5 2 64 5 10 5 97 10 15 16 92 29 52 46 26 75 42 121 86 196 56 282 0 500 0 785 0 6 5 7 0 3 24 6 70 7 27 12 31 19 80 33 84 53 64 90 00 145 80 241 20 325 0 576 0 950 0 7 0 75 3 84 7 30 8 64 1440 23 40 39 78 64 62 113 40 177 30 289 80 417 0 740 0 1156 0 7 5 8 0 4 45 9 30 10 08 17 64 27 00 45 72 75 60 136 80 208 80 338 40 486 0 8660 1353 0 8 0 8 5 5 04 10 00 11 52 20 88 30 60 5346 91 80 169 20 251 30 399 80 576 0 1020 0 15940 8 5 9 0 5 83 12 65 13 14 22 57 34 20 61 20 108 00 216 00 293 80 460 80 660 0 1170 0 1840 0 9 0 15 Vexve Balancing Valve User Manual aa 10 Materials Vexve Steel Balancing Valves Colour blue No Description Material 1 Body Steel EN 10217 2 P235GH 1 0345 2 Stem bush Steel 3 Ball Stainless Steel EN X5CrNi18 10 1 4301 4 Stem Stainless Steel EN X5CrNiS18 9 1 4305 5 Ball Seals Carbonized PTFE 6 Extension pipes Steel EN 10217 2 P 235GH 1 0345 7 Handle Galvanized Steel 8 O ring FPM 9 Bush PTFE Vexve Balancing Valve User Manual Vexve Stainless Steel Balancing Valve Colour grey No Description Material 1 Body Stainless Steel EN 10217 7 X2CrNiMo17 12 2 1 4404 2 Stem bush Stainless Steel EN X2CrNiMo17 12 2 1 4404 3 Ball Stainless Steel EN X2Cr
3. NiMo17 12 2 1 4404 4 Stem Stainless Steel EN X2CrNiMo17 12 2 1 4404 5 Ball Seals Carbonized PTFE 6 Extension pipes Stainless Steel EN 10217 7 X2CrNiMo17 12 2 1 4404 7 Handle Stainless Steel 8 O ring FPM 9 Bush PTFE Vexve Balancing Valve User Manual EN Notes Vexve Balancing Valve User Manual gt Notes VEXVE Valves World Wide VEXVE Vexve Oy Pajakatu 11 38200 Sastamala Puh 010 734 0800 Fax 010 734 0839 vexve vexve fi e www vexve fi
4. a Big DA Sm 22 gt 40 20 amp E 10 6 4 2 A 8 C C aan m Ai L 1 was g 85 3 3 33 ms 8 2 3 seda a on fam 200 300 400 500 1000 4000 600010000 7 li em ap am po ago oo ego jogo amo Waterflow Waterflow aP Pa dP kPa am s 3 s 27 a o eg ams 3 gs 37 a ve fome 400 500 1000 2000 4000 6000 10000 20000 aoi 1000 2000 4000 6000 10900 20000 40000 Li n n ba ri kah n T T LC T Pias PAS Waterflow Waterflow Vexve Balancing Valve User Manual 100 so 40 20 dP kPa dens mee g a FOTO ea amp s 8 lama 1000 2000 4000 6000 10000 20900 40900 80000 100000 awi 4000 6000 10000 20000 40000 80000 100000 200000 t n fi n T T tr ET rr ah T T T ae n Waterflow Waterflow A z g 28 2 gs T OP kPa ES y e e 8 g 2 Rng a e epe 8 s seas Gibb po po io sog PA a ki n equo siti ego emo foro eo cegio dE Waterflow Waterflow 10 Vexve Balancing Valve User Manual 40 40 20 OP Pa 1 1 tam TO ae amp e 888 8 tank o 8 S 888 8 8 amm _10900 20900 40900 80090 190000 200900 40000 600900 1000000 emm 20000 40000 50000 190000 200000 499000 600900 1009000 Waterflow Waterflow 100 80 60 40 20 dP kPa 1 tin o g S S 8 88 8 S 8 Goti O POIS O ui SO oO ei Waterflow 11 Vexve Balancing Valve User Manual 6 2 Setting the Pre Set Values DN lt 150 1 Se
5. and follow the instructions at chapter 7 To minimise the pressure shocks in larger sizes DN 150 and bigger it is recommended to use the bypass valves ON Vexve Balancing Valve User Manual Following minimum installation distances should be followed In the picture D pipeline diameter LE se Flow direction 10D Flow direction gt gt gt Vexve Balancing Valve User Manual 5 1 Welding It is recommended to use the electric welding TIG MIG Valve size DN 125 and bigger must be welded to the pipeline by using electric welding WELDING Do not overheat the valve Use cooling during the welding Use wet fabric to protect the valve seat from excess heat during the welding The welder should have the proper qualification to do this kind of welding procedures WHEN VALVE IS INSTALLED IN A HORIZONTAL POSITION When welding the valve it must be in the open position this avoids welding contamination to get in touch with the ball surface WHEN VALVE IS INSTALLED IN A VERTICAL POSITION When making the upper seam welding the valve must be open to avoid welding contamination to get in touch with the ball surface When making the lower welding seam the valve must be closed to avoid the overheating of the valve Cool down th
6. e open position before the gear removal The valve opens when turned the gear handle to the counter wise direction 2 Turn the hand wheel slightly closed to the point when the wheel turns easily 3 Before the gear removal remove the position indicator plate s bolts 2 indicator plate 3 and mark the shaft position to the gear s bush 1 4 Remove the gear s bolts and remove the gear 5 When assembling the manual gear check that the stem bush adapter is in its original position There is no need to set the gear settings again when the gear is assembled back to its original position or when turned 180 degrees If you need to adjust the manual gear please read the chapter 7 1 1 The Adjusting of the Manual Gear 6 Install the gear to its position Then install and tighten the bolts of the gear 7 1 1 Adjusting of Manual Gear 1 Turn the valve to the open position N Turn the gear to the open position Clean the shaft at the gear and the bush Crease the manual gear s bush e g Spray Vaseline W rth HHS 2000 Install the manual gear so that the hand wheel locates at the preferred position Crease and install the nuts screws and plates Install the hand wheel to the manual gear Turn the valve few turns to open position SS O ee W Turn the valve to open position The exact position will be checked from the valve shaft The ball needs to be centred to its seals If you turn the valve too much open then the 6 and 7 pa
7. e valve after welding before normal operation The valve may not be opened or and closed after the welding before it has cooled down Vexve Balancing Valve User Manual 6 Commissioning and Use The pipeline needs to be flushed carefully after the valve installation Commissioning Test Pressures The largest allowable testing pressure is 1 1xPN when the valve is closed During the pipeline pressure testing 1 5xPN the valve needs to be open The shut off valves are designed to be fully open or close Check that the valve is either in open or close position against the stopper by turning the handle 90 degrees The valve may not be used alone as a pipeline ending fitting Always after the valve a blank flange needs to be welded or and connected to the pipeline end When discharging the pipelines the valve has to be turned into a half open position in order to remove all liquid behind the ball Important when the pipelines are discharged in temperatures below 0 C 6 1 Calculating the Pre Set Values If the pre set value is not calculated it is possible to estimate and check the value from the following regulating curves when the flow and pressure loss in known oP kPa los 8 3 x g ar Emis 8 8 5 3 3 387 a 3 3 3 m 100 2 300 400 500 1000 2000 4000 6000 Ena 200 300 400 500 1000 2000 4000 6000 10000 7 fi po n L PA n n Pee Waterflow Waterflow Vexve Balancing Valve User Manual 2 39 Ta a
8. i 9 Belarus Valve Certification 12 Manufacturer s Internet Site s E ii Direction of flow j dio 13 Direction of Flow Vexve Balancing Valve User Manual 4 Valve Transportation and Storage Please check that the valve or its parts are not damaged during the transportation Please also check that the content of the delivery valve types sizes etc is according to agreement The information on the possible damages or deviations in the content must be informed immediately to Vexve Oy Store the valve at clean and dry storage before the installation Do not remove the flow port protectors before the installation Use lifting ropes when lifting the large size valves It is forbidden to lift the valve from its actuator or stem If needed please check the valve s weight from Vexve Oy 5 Installations and Welding to the Pipeline The pipelines must be cleaned properly before installing the valves otherwise the impurities may damage the valve surfaces During the cleaning checking check also that there is no dirtiness at valve due the storage or transportation Check that the valve s maximum and minimum temperatures are not exceeded The maximum operational pressures and temperatures can be found from the valve identification plate Do not remove the manual gear from the valve If the manual gear needs to be removed during the installation please follow the instructions how to adjust the gear
9. r at the top of the stem is in line with the pipeline Vexve Oy is not responsible for the damages caused by unknown subjects or dirtiness Vexve Oy is also not responsible for the damages caused by improper handling or delivery Vexve Stainless Steel Valve Colour grey Vexve stainless steel balancing valve is designed for clean mediums and specially to balancing the industrial processes The valve is suitable to acids alkaline waters and water with oxygen Please consult with the manufacturer on the other applicable applications The valve body is from pressure equipment steel stainless The shaft and ball are manufactured from the stainless steel material The ball seals are carbonized Teflon PTFE The stem sealing is done by the O rings The O rings are FPM piton rubber The valve is bi directionally tight The valve opens when turning the manual gear to clockwise The position indicator line at the top of the stem shows the ball s position versus the stem When the valve is open the handle is aligned with pipeline Also the indicator at the top of the stem is in line with the pipeline Vexve Oy is not responsible for the damages caused by unknown subjects or dirtiness Vexve Oy is also not responsible for the damages caused by improper handling or delivery Vexve Balancing Valve User Manual 2 Precautions and Notifications Please read and notify the following instructions before handling and operating the Vexve balancing val
10. ragraphs need to be done once again 8 Remove the caps from the stop screws 4 9 Open and loose the locking screws 10 Tighten the open position stop screw 7 and lock the screw with the locking screw 5 11 Turn the ball 90 degrees closed 12 Tighten the stop position screw 6 and lock the screw with locking screw 5 Vexve Balancing Valve User Manual 8 Maximum Allowable Pressure at Different Temperatures MPa DN 25 DN 50 DN 65 DN 300 30 0 30 60 90 120 150 180 210 C Contact the manufacturer if the temperature is below 0 C 9 Kv Value Chart Kv Values for different valve opening Set value DN 15 20 DN25 DN 32 DN 40 DN50 DN65 DN80 DN100 DN125 DN150 DN200 DN250 DN 300 Setvalue 1 0 0 39 0 60 1 26 2 52 3 42 6 48 6 84 13 68 19 7 35 0 54 5 1 0 1 5 0 35 0 57 1 01 1 80 3 64 5 37 9 47 13 32 20 16 20 2 51 2 80 0 15 2 0 0 14 0 49 0 83 1 48 2 70 4 75 7 31 12 46 18 00 26 64 38 4 66 5 105 0 2 0 2 5 0 28 0 99 1 08 2 02 3 55 6 34 10 23 16 28 24 30 35 46 51 1 90 0 142 0 2 5 3 0 0 42 1 36 1 44 2 70 4 39 7 92 13 14 20 09 30 60 44 28 63 8 110 0 176 0 3 0 3 5 0 61 1 66 1 80 3 24 5 61 9 78 16 11 24 45 37 80 55 08 79 3 140 0 220 0 3 5 4 0 0 80 2 00 2 30 3 96 6 84 11 63 19 08 28 84 45 00 65 88 95 0 165 0 260 0 4 0 4 5 1 02 2 40 2 74 4 86 834 14 15 23 31 35 82 55 26 84 06 121 0 215 0 336 0 4 5 5 0 1 24 3 00 3 42 5 98 9 83 16 67 27 54 42 84 65 52 102 24 147 0 260 0 408 0 5 0
11. tthe correct pre set value 1 by turning the handle 2 Open the locking screw 2 3 Move the memory stop against the scale plate s edge 3 4 Tighten the locking screw 2 DN gt 200 1 Set the correct pre set value 1 6 3 Flow Measuring The flow measuring can be done with special flow measurement equipment The flow measuring devices measure the flow by calculating the valve s pressure loss The more in detail information for the measurements can be found from the pressure and flow meter s user manuals More information on the suitable pressure and flow meters can be obtained from Vexve Oy 7 Maintenance The valves do not need extra service at the normal conditions but to guarantee the good operation of the valves opening and closing of the valve couple times in a year is highly recommended Change of O rings If needed the upper O ring at the stem can be replaced without draining the pipelines Follow the instructions when changing the O ring Take care of all special circumstances and when needed contact the manufacturer The O ring change instructions can be found from the manufacturer s Internet site www vexve fi or directly from Vexve Oy Vexve Balancing Valve User Manual 7 1 Assembly Disassembly of Manual Gear NOTE The manual gear or actuator may not been removed or dismantled if the valve is pressurized NOTE It is recommended to use the special actuator removal tools 1 Turn the valve to th
12. ves e Check the valve s suitability to the medium and application e Check that the manufacturer s informed maximum temperature and pressure limits are not exceeded chapter 8 e Do not heat the valve unnecessary from outside e The installed valve at pipeline can be extremely hot Be protected e The valve may not be used alone as a pipeline ending fitting Always after the valve a blank flange needs to be welded or and connected to the pipeline end e The manual gear or actuator may not been removed or dismantled if the valve is pressurized or and it has flow e The valve should be un pressurized when changing the stem O ring s e lf the pipeline is classified I III check from the seller that the valve s classification meets the pipelines classification e Check that the measurement ends at the valve are closed 3 Markings The identification label locates at the valve body It has the following information Valve DN size 1 l N 2 Pressure class 3 Valve Body Material 1 gt DN 50 PN 40 4 Maximum Allowable Temperature 5 Valve Type Material 1 0345 4 14X Steel Balancing Valve T min T max 0 200 C 24X Stainless Steel Balancing Valve Product no _ 140050 A ie Valve DN size aki 7 CE Mark and the number CE a of the notified body 8 Russian Valve Certification pe 0575 TA 2745 TS 10 Manufacturer EAT VEXVE OY 2009 AN 11 Manufacturing Year 2 777 Www vexve f
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