Installation manual Envalve
Contents
1. s function is the regulation of a flow of fluid media through a pipe or in case of the double Envalve version the mixing of two flows of fluid media with a certain proportion to each other It is prohibited to use the Envalve otherwise than fully connected and installed in a suitable piping system with a maximum working pressure of 6 bar The difference between the pressure before and after the Envalve must be below 6 bar The Envalve is therefore classified as an unfinished machine Installation manual Envalve series VK VKF and PVK Page 4 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland 1 1 2 Specifications Type VK Power 3 5 W Voltage 24 of 230 Vac Capacity 10 100 m3 hour valve Pressure max 6 bar NW 20 63 Drive Electromotor Centra Honeywell VMM or VMK Table 1 Specifications VK series Type VKF Power 9 26 W Voltage 24 of 230 Vac Capacity 280 2000 m3 hour valve Pressure max 6 bar NW 75 200 Drive Electromotor Hora M135 M150 or M180 Table 2 Specifications VKF series Type PVK Power 5 9W Voltage 24 Vdc Vac or 230 Vac Capacity 56 2000 m3 hour valve Pressure max 6 bar NW 20 63 and 75 200 different connection to piping see paragraph 2 2 Drive Pneumatic actuator OMAL series DA Dual drive in combination with electrical monostable valve type 5 2 Operating pressure2. see also paragraph 4 1 The Envalve can not be used in an explosive environment 1 8 Warranty The warranty is 6 months from commissioning with a maximum term of 2 years after production Commissioning is the installation of an Envalve in an installation Parts must be brought to the producer when warranty is claimed Warranty expires with one or more of the following terms e unprofessional use and or installation repeatedly ignoring advice from producer and or supplier reparation maintenance or use by incompetent or unauthorised persons use of incorrect electrical or fluid connections use of the machine in an unsuited environment intended damaging or modification of the machine All these and further warranty terms are in conformation with the METAALUNIEVOORWAARDEN edition January 2008 1 9 CE sign The CE sign concerns the conformity of the Envalve with the machine low voltage EMC and PED directive Because it is an unfinished machine the Envalve cannot comply with all the essential safety precautions a list of these can be supplied by the producer The CE sign is located on the sticker on the base plate According to the low voltage directive the Envalve is classified as a Class I machine 1 10 Rest risks For practical and economic reasons it is impossible to fully cover all the risks for 100 besides the risk of a machine is tightly correlated with the functionality of the installation as a whole These so call
3. 17 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland Annexes e Electric schematics e Declaration of conformity of components Installation manual Envalve series VK VKF and PVK Page 18 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland Electric schematics VK series Picture 6 electric scheme VK series Terminal 1 is the ground cable when terminal 1 and 2 are connected to a power source the valve will turn clockwise when terminal 1 and 3 are connected to a power source the valve will anticlockwise The earth cable must be connected to the terminal on the housing marked with the earth sign Installation manual Envalve series VK VKF and PVK Page 19 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland VKE series Picture 7 electric scheme VKF series Terminal N1 is the ground cable the control current runs through terminal 2 and or 3 The earth cable must be connected to the terminal marked with the earth sign Installation manual Envalve series VK VKF and PVK Page 20 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland PVK series I l I 1 l TT ee mmm wn vm wm mmm mm mm mz ST A L Picture 8 electric scheme control valve PVK The flat plug marked with a small earth sign is the earth connection by running a current from connection 1 to 2 a ste
4. 6 bar Table 3 Specifications PVK series Installation manual Envalve series VK VKF and PVK Page 5 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland 1 2 Schematic picture of the machine In this picture the parts and components are numbered Picture 1 Schematic picture of an Envalve Note the Envalve in the picture is a VKF although other versions are not entirely the same the main components and the functions of the components is the same Installation manual Envalve series VK VKF and DNK Page 6 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland Name Drive Position indicator manual auto control button Base plate Coupling Housing Paddle Secondary butterfly valve Collar Flange Primary butterfly valve direct driven Seal 3 lie S lee alo lato ole Connector shaft n Coupling rod Table 4 Names of the main components 1 3 Operation and manual control It is possible to operate the Envalve remotely but it is also possible to operate the Envalve manually that is to say it is possible to manually open or close turn the Envalve The procedure for this differences between the different versions Important when the valve is switched from manual to automatic operation the valve should be half open exactly between open and closed Make sure the a
5. and fix the power supply Find the cause and replace the fuse Check the connections schematic is in the annexes Find the cause try to dry the drive replace the seal of the drive when needed and consider a heating element see paragraph EJA Find the cause and replace the drive motor check the supply voltage and functioning of the valves especially check for obstructions of the paddle 2 Drive turns instable restless constant opening and closing Incorrect connected capacitor or loose contact To much voltage drop due to long cables or insufficient diameter Fluctuating power supply Drive is told to open nd close at the same time Contact the producer Check the supply voltage at the drive calculate voltage drop replace power cable when needed Check the supply voltage Change the control program 3 Drive fails regularly Loose contact in power supply Bad or defect limit switches First make sure the power is switched off Check and tighten all contacts Replace limit switches 4 Drive doesn t turn entirely to the end position Incorrect set limit switches Defect sprocket in drive Drive capacitor defect Too much system pressure or to much pressure difference over the valve Obstruction of the paddle Let the producer reset the limit switches do not attempt to do this yourself warranty will expire Replace the drive this is often an error due t
6. damage the seal The valve can be installed in every position except up side down drive under valve a DA IS correct correct wrong Picture 5 Installation positions Envalve Installation manual Envalve series VK VKF and PVK Page 12 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland When the valve is positioned correctly between the collars the flanges can be shoved over the collars and secured with the metal bolts and nuts NW75 and larger or the nut can be tightened NW63 and smaller After installation the connection must be checked try to operate the valves manually by closing and opening them by hand This must be able without scraping noise and with only moderate force See paragraph 1 3 for instructions on manual operating Do not tighten the bolts and nuts too much this will deform the seal and possibly block the paddle Installation manual Envalve series VK VKF and PVK Page 13 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland 4 2 Electric The valves must be electrically connected by professional and competent persons look at the pictures in the annexes for help VK series Remove the three screws from the lid of the drive remove the lid of the drive put the power cable trough the cable gland connect the earth cable to the terminal marked with the earth sign only the 230 V version connect the ground cable to terminal 1 connect the two phases to t
7. use can be found in paragraph 1 5 and 1 7 It is forbidden to use the Envalve in a system with solid substances or gasses Only connect the Envalve to pressurised air and or electricity if its fully installed in a suitable system Before the Envalve can be taken out of the system the pressurised air and or electricity must be disconnected Maximum pressure for the Envalve is 6 bar Always disconnect the pressurised air and or electricity before maintenance or reparation Disconnect the electricity by using the main switch from the controlling organ control panel or something alike this switch must be locked during the work on the Envalve Always fully connect the pressurised air and electricity after the maintenance or repairs and test the Envalve Work on the Envalve or the connection of the electrics or pneumatics must be done by a competent and professional person 230 V Connections must be 4 core cables open close ground and earth of sufficient diameter and quality conform regulations Always connect the ground cable to the terminal marked with the ground sign Make sure the power cable is connected to a group fused at maximum 16 A with a ground fault circuit interrupter of 30 mA Installation manual Envalve series VK VKF and PVK Page 11 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland 4 Installation 4 1 Mechanical For the correct installation of the Envalve first fit all the piping
8. Installation manual Envalve Series VK VKF and PVK Version 2 1 20th of October 2011 AE VAN DER ENDE POMPEN w Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland Preface This installation manual is a manual for the installer or technician who is installing the Envalve It is not a manual for the end user of the Envalve If not entirely installed and connected the Envalve has no real function and is therefore classified as a machine which cannot function independently or unfinished machine later on this is called just machine This installation manual contains only prescriptions concerning the safe installation correct connecting and safe working with the Envalve It is not a manual for the entire installation in which the Envalve is installed The installer should take care of that manual Every chapter has a number and chapters are divided into paragraphs where needed The list of contents on page 2 gives an overview of the chapters and paragraphs with a reference to the page numbers When a number or letter is between brackets this refers to the numbers or letters of parts in picture 1 Installation manual Envalve series VK VKF and PVK Page 2 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland List of contents Pr a Cia 2 List OF COMES rt A A AR A AAA A A 3 I ee cdta dias dara 4 1 1 General information iioeiaeueiiai aa iaai a aie rr 4 1 1 1 Descr
9. and or pneumatic connections can be made With an Envalve a flow of fluid media can be precisely controlled or stopped Application examples are the continuous mixing of two flows of fluid VK an VKF series double version and the remote shutting of pipes all series The remote operation of the Envalve is possible because the drive is powered by electrics or pneumatics Normally there are two limit switches installed but more position switches or a potentiometer can be installed to read or read more precisely the position of the Envalve The position indicator b indicates the position of the paddle In case of a double version of the Envalve the position indicator indicates the position of the paddle of the valve directly under the drive The turning time of the valve the time in which the valve goes from fully closed to fully open varies per series the VK and VKF take about 70 seconds 10 seconds is also available ask the producer for information for the PVK this time depends on operating pressure and the pneumatic connections Optional is a flow regulator on the PVK with this the turning time can be tuned The VKF and VK series are bistable which means that when the power supply is cut off the valve stays in that position The PVK series is monostable the valve returns to its default position when the power supply is interrupted only if there is sufficient air pressure Other configurations are available The conn
10. ctives and sole responsibility of Company rR uren GmbH amp Co KG Application of the following standards DIN EN 292 1 and DIN EN 292 2 Safety of machinery DIN EN 60204 1 Safety of machinery Electrical equipment of machines e DIN EN 61000 4 2 3 4 5 6 11 Electromagnetic compatibility EMC Testing and measurement techniques Immunity tests DIN EN 55011 Industrial scientific and medical ISM radio frequency equipment Radio disturbance characteristics Limits and methods of measurement e DIN EN 55022 Information technology equipment Radio disturbance characteristics Limit and methods of measurement e DIN EN 50082 1 2 Electromagnetic compatibility EMC Generic standards Immunity for residential commercial and light industrial environments and for industrial environments A Technical Documention is completely available The operating instructions for the appliance are available e In original version German language in English language Schlo Holte Stukenbrock 10 12 2008___ IA Holter Regelarmaturen GmbH amp Co KG Place Date Signature Specifics concerning the signatory Installation manual Envalve series VK VKF and PVK Page 23 of 23
11. ection between the Envalve and the piping for NW63 and smaller consists of a collar and a pvc nut At NW 75 and larger this connection consists of a collar two flanges and some nuts and bolts For NW63 and smaller the Envalve has a seal made of EPDM default or FPM optional between the paddle and the housing And 2 O ring seals between the valve and the collars From NW75 and larger the Envalve has only one seal which sits between the housing and paddle and between the valve and the collars 2 3 Transport and storage Transport and storage do not require special packaging but can not be stacked without special crates or other precautions The Envalve and the drive in particular is only moderately resistant to water and moist so the Envalve must be protected against both see also paragraph 1 7 Installation manual Envalve series VK VKF and PVK Page 10 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland 3 Safety instructions Read and understand this installation manual and take all the prescribed precautions before installing or connecting the Envalve The Envalve may only be used for the applications the Envalve was designed for The Envalve was designed to function as a stop or regulator in a system or process working with flows of fluid media These media may only contain those chemicals suitable for the Envalve and its components which come into contact with them Further information about application and
12. ed above or for purposes where failing of the Envalve can cause serious danger for persons 1 6 Media The Envalve is not chemically resistant for all chemicals ask the producer of the Envalve for advise If the Envalve is used for wrong chemicals leaking will occur and warranty will expire It is possible to alter the seals in the Envalve in order to make it more resistant for other chemicals ask the producer of the Envalve for advice 1 7 Use environment The Envalve is meant for use as a controlled stop or regulator of a flow of fluid media The Envalve may only be used if it is fully installed and connected in accordance with the installation prescriptions For use in a moist and or cold environment the Envalve can be equipped with a small heating element for protection see picture below Ask the producer for advice 85 1735 1 S 61 003 00 RD ES Picture 2 Heating element optional The Envalve and particularly the drive may not be submerged Installation manual Envalve series VK VKF and DNK Page 8 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland Install the Envalve only if there is enough free space around it a person must be able to operate the button man auto c safely It must be impossible for a person to get stuck between the base plate and connector shaft or other objects The Envalve can be installed in virtually every position except up side down drive under the valve
13. ed rest risks are listed in the table below It is important that the user is aware that even while we have taken all possible safety precautions the use of the Envalve involves certain risks Follow the prescriptions in this manual in order to minimize these risks Risk Rest risk description Risk Category Nr factor 1 Moving part approaches static object 3 All When the connector shaft moves to left or to right it approaches the base plate 2y When the Envalve is used while it is not fully installed and 3 Al l connected there is a danger of fingers getting stuck 3 Risk on fire if the electrics are not professionally connected 4 Al 3 a risk on short circuit and fire arises Table 5 List of rest risks 1 The aim is to reduce every risk to a level below 4 but this isn t always possible due to the functionality of the machine Installation manual Envalve series VK VKF and PVK Page 9 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland 2 Description In this chapter the machine is described it is the background information needed to work safely with the machine 2 1 Working principle The Envalve regulates the flow by means of turning a paddle in a housing By turning the paddle the effective diameter of the pipe changes 2 2 In general The Envalve must be installed in a suitable piping system only after installation is completely finished the electric
14. ering current the control valve will open and the Envalve will open The control valve is monostable so the control valve will close automatically and the Envalve will return to its default position when the steering current is removed Connect the pressurised air supply to connection 3 connections 4 are the supply lines for the actuator and 5 are the silencers The Envalve is sold with connections 4 connected ready for use The turning time can be adjusted by placing a flow regulator on connections 5 Contact the producer for help and advice The needed air pressure for a correct functioning of the actuator differences between the various types and sizes Usually this is minimum 6 bar and maximum 8 bar Number 6 in this picture is the control screw for manual operation of the control valve The control valve will open by turning the control screw a quarter see also paragraph 1 3 Installation manual Envalve series VK VKF and DNK Page 21 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland Declaration of conformity of components Honeywell KONFORMITATSERKLARUNG DECLARATION OF CONFORMITY DECLARATION DE CONFORMITE Name Name Nom Honeywell GmbH Anschrift Address Adresse Boblinger Str 17 71101 Sch naich Germany Wir erklaren in alleiniger Verantwortung dass We declare on our own responsibility that Nous d clarons sous notre propre responsabilit que das Produkt the Product le Prod
15. erminal 2 and 3 tighten the cable gland check the functioning of the Envalve switch the two phases if the drive turns the wrong way round close the lid of the drive en secure with the three screws VKF series Remove the four screws from the lid of the drive remove the lid of the drive put the power cable trough the cable gland connect the earth cable to the terminal marked with the earth sign only the 230 V version connect the ground cable to terminal N1 connect the two phases to terminal 2 and 3 tighten the cable gland check the functioning of the Envalve switch the two phases if the drive turns the wrong way round close the lid of the drive en secure with the four screws PVKseries Remove the screw on top of the cap of the electric control valve the black part remove the cap of the coil of the control valve put the power cable trough the cable gland connect the earth cable to the terminal marked with the earth sign only the 230 V version connect the wires to terminal 1 and 2 tighten the cable gland place the seal between the coil and the cap put the cap back on the coil and tighten the screw check the functioning of the Envalve 4 3 Pneumatic PVK series e See picture 8 in the annexes e connect the air supply to connection 3 e make sure the connection is correct Installation manual Envalve series VK VKF and PVK Page 14 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasd
16. ijk Nederland 5 Commissioning Check whether the valve is installed correctly and the flanges or nut are secured Check before filling the system with fluid again the functioning manual and automatic When the Envalve is set from manual to automatic remote operation push against the connector shaft until a click is heard It is important that the valve is in the neutral position in the middle between open and closed before going from manual to automatic operation and or before commissioning This prevents the valve turning beyond its limit switches and getting damaged See also paragraph 1 3 6 Maintenance The Envalve is designed as maintenance free when used in a suitable environment for intended applications Periodic inspection and cleaning are not essential but desirable Clean the Envalve with a dry cloth do not use water on the electrical part Do not use aggressive cleaning chemicals Installation manual Envalve series VK VKF and PVK Page 15 of 23 7 Errors Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland Problem Cause Solution 1 Valve does not turn Control button man auto is set to manual No power supply present Blown fuse Faulty connected drive Short circuit due to moist Burned drive Put the valve in the neutral position Set the control button to auto and push against the connector shaft until a click is heard Find the problem
17. iption of the machine 4 DAL PEA a EE 5 1 2 Schematic picture of the machine ANE scene cree eee arar 6 1 3 Operation and manual Control sa asasinada a e nnnnnnnnn rn narra H L USCIS Seed denten EE EE EN a SEN noes 8 1 5 Application nv A A EE a a a ENN 8 1 6 Media ri A ada 8 1 7 Use environment AA A a a cans 8 1 8 Warranty msi A een EE EE a a KEREN EEN 9 L Ckaten ue O een EE EE cr A NEEN 9 III A corannonannorennoobdanoganacanaroconnondinonanhs a A 9 2 Description e EE EE eae 10 2 1 Working prrerglct ees unenee NN o arca ida cas dare a 10 DT AAA ci A EE ANEREN NEN NEEN NEEN KREE NNN ENNER 10 2 3 Transpo C OU Storage EN gene BEE lc a RER ES Sen 10 3 Safety EES RES urena reniir A EE a oa EENEN ANAE NEE KEAR NN ENER EE ENNEN 11 rl A com o o ae babes te baa ide ba Ed RE ENG d er 12 4 1 Mechanical icon a MA EE i 12 pE E e E E o A o E O E O O 14 APN EE 14 Klee 15 6 ManU 15 E E E a O OO yore EAT 16 8 DeclarationloR coni orii yaranana dd E EE A AE Ea so 17 ANNERES E A A ANE E e E te 18 Electric chona ii 19 Declaration of conformity of COMPONENES cc ccc eee eee ee ene cnn rrnn nn eee enna nr rnnnarnranannss 22 Installation manual Envalve series VK VKF and PVK Page 3 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland 1 Identification In this chapter some general information about the machine is listed The purpose of this chapter is to state the boundaries of the machine the global functio
18. ning and possible applications of the machine 1 1 General information 1 1 1 Description of the machine The Envalve is available in different versions the VK with max NW63 the VKF from NW75 up to NW200 and the PVK from NW20 up to NW200 All Envalve s are electrical or pneumatic powered butterfly valves An Envalve consists of five main parts 1 Motor plate metal base plate d single or double version 2 Butterfly valve 1 or 2 butterfly valves with EPDM or FPM seal f g and possible h a Later on this is referred to as valve or actual valve 3 Drive electromotor or pneumatic actuator a 4 Connector between the motor and the butterfly valve and in case of a double Envalve version also between both butterfly valves e and n 5 Connection between the piping and the valve s i and j by means of a collar or nut The purpose and function of the Envalve is the regulation or stopping of a flow of fluid media through a pipe The Envalve can be operated remotely The valve has an outgoing axle with which the valve can be rotated By means of fixing a remote operated drive on this axle the valve can be operated remotely In case of the double Envalve version two interconnected valves with one drive the valve with the drive on top is in the position indicated with the indicator b while the other valve is exactly 90 degrees rotated from this position This is default other configurations are possible The Envalve
19. o obstruction of the paddle Contact the producer Check and reset the system pressure Disassemble the valve loosen the flanges nut and remove valve from system and remove obstruction Table 6 Errors and solutions Installation manual Envalve series VK VKF and PVK Page 16 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland 8 Declaration of conformity EG DECLARATION OF CONFORMITY according to Annex II B of the Machinery Directive 2006 42 EG for machinery which cannot function independently or machinery parts We Van der Ende Pompen B V Maasambacht 4 2676 CW Maasdijk Nederland Herewith declare on our own responsibility that the product Envalve Series VK VKF and PVK Which this declaration refers to to be incorporated into machinery or assembled with other machinery to constitute machinery covered by the Machinery Directive is where appropriate in conformity with the following standard s or other specifications Machinery Directive 2006 42 EG Low Voltage Directive 2006 95 EG EMC Directive 2004 108 EG PED Directive 97 23 EG The product this declaration refers to must not be put into service until the machinery into which it is to be incorporated has been declared in conformity with the provisions of the relevant European Directives Nederland P J van der Ende Maasdijk ES 5 November 2009 Le y Ge es ln A Installation manual Envalve series VK VKF and PVK Page
20. order to be able to electrically read the position of the valve The limit switches are sealed for warranty purposes For the remote operation paragraph 4 2 and the annexes can be consulted in which an electric scheme of the Envalve can be found Further connection to a control panel or something alike is not included in this installation manual Installation manual Envalve series VK VKF and PVK Page 7 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland 1 4 Users In general there are no direct users of the Envalve because it is operated remotely by a control panel or other semi automatic controller Allowed users are at least 18 years and employed at the company at which the Envalve is installed and who are designated to be competent and able to operate the Envalve Not allowed users are users who don t comply with above description Not allowed users are all users who cause danger and or unsafe situations for themselves and or others while using the Envalve 1 5 Application The Envalve is meant for the regulation or stopping of a flow of fluid media through a pipe or in case of the double version the mixing of two flows with a certain proportion to each other It is forbidden to use the Envalve while it is not fully installed and connected in accordance with the installation prescriptions in a suitable piping system It is forbidden to use the Envalve for purposes other than that as describ
21. uit Rotary Valve Actuator VMK8 4 VMM20 VMM20 24 VMM40F VMK10 4 VMM30 VMM30 24 VMM40 24F VMK10 4 24 VMM40 VMM40 24 allen Anforderungen der Richtlinien 2006 95 EG 2004 108 EG entspricht meets all requirements of the directive 2006 95 EC 2004 108 EC remplit toutes les exigences de la directive 2006 95 CE 2004 108 CE Angewandte Normen EN 60730 1 A15 2007 Applied standards EN 60730 2 14 A1 2001 Normes appliqu es gd Ae A Dr Thomas Arenz General Manager Sch naich 12 M rz 2008 Installation manual Envalve series VK VKF and PVK Page 22 of 23 Van der Ende Pompen B V Maasambacht 4 2676CW Maasdijk Nederland HORA Excellence Is our standard EU Declaration of conformity Confirm with the e Directive 98 37 EC Appendix Il A of the European Parliament and of the Council of 22 June 1998 on the approximation of the laws of the Member States relating to machinery Council Directive 2004 108 EC of 20 January 2005 on the approximation of the laws of the Member States relating to electromagnetic compatibility Council Directive 2006 95 EC of 16 January 2007 on the harmonization of the laws of the Member States relating to electrical equipment designed for use within certain voltage limits low voltage The appliance Product turn actuator of construction r Regela Type M106 M125 M135 M140 M150 M180 230 V has been developed designed and manufactured in accordance with the mentioned European Dire
22. utomatic operating of the Envalve is disabled before any manual operating is tried e VK press the black knob on the upper side of the drive as long as this knob is pressed the Envalve can be controlled manually using the connector shaft m e VKF turn the red knob on the side c to the man manual position the Envalve can now be controlled manually using the connector shaft m To reset the valve to automatic remote operation turn the red knob c to the auto position then push against the connector shaft m until a click is heard e PVK there are two options for the PVK The first and most desirable option is to use a flat screwdriver to turn the control screw nr 6 in picture 8 a quarter this is only possible if the pneumatics are connected The other option is to use a spanner to turn the axle on the upper side of the actuator drive this is only possible if the pneumatics are disconnected no air pressure on the control valve For this last option also the pneumatic pressure lines between the control valve and the actuator should be disconnected Make sure the air pressure is not re connected when these lines are disconnected The position indicator b indicates the position of the paddle Every Envalve is equipped with two limit switches these switches stop the valve when it s in the most open or most closed position There is a possibility to use these switches or to incorporate a potentiometer in
23. without glue When everything is correct in size and properly aligned loosen the bolts or the nut and take the actual valve from between the collars Be careful not to damage the seal while doing this Put the valve aside and remove the collars from the piping Glue the collars to the piping Excess glue on the inside of the piping should be removed this glue can get between the seal and the paddle and cause serious damage or leaking Make sure you put the flanges or the nut over the piping behind the collars before the collars are glued the flanges or nut cannot be added later From NW75 and larger there is only one seal serving as seal between the paddle and housing and as seal between the collars and actual valve NW63 and smaller have two separate O rings as seal between collar and valve and another seal between the housing and the paddle It is important that for all the Envalve s plain smooth collars are used not the ones with a groove for an O ring otherwise they will leak The use of additional seals is unnecessary and we strongly advise not to Collar Flange Bolt Cross section Nut Cross section Collar H VK m VKF amp PVK ah _ Manche seal Paddl e SS REES Paddle O ring my P Picture 4 Seal Envalve NW63 and smaller left and NW75 and larger right When the collars are glued and excess glue is removed the actual valve can be put back between the collars again be careful not to
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