Mounting and Operating Instructions EB 8546 EN
Contents
1. Note W Make sure that the seal does not fall out of the groove during mounting otherwise the filter will not function properly Adjust the direction of the supplementary filter until it is upright Secure the position by tightening the hex agonal socket screw 6 mm EB 8546 EN 23 Set point setting 5 Set point setting Fig 2 Depending on the version the set point of the supply pressure regulator can be adjusted ei ther at the adjustment knob 8 or after screw ing off the cap 5 at the set point screw 7 Turning the knob or screw clockwise in creases the output pressure and turning it counterclockwise reduces the output pres sure Lock the setting with the lock nut 6 Note When using the version with the ad justment knob 8 to adjust the set point make sure that the Phillips screws are screwed tight to prevent the knob from coming loose due to vi bration 24 6 Maintenance Fig 2 We recommend to check the filter as often as possible Drain condensed water that has collected Remove the stopper 10 or Unscrew the drain plug 15 by about half a turn or Activate the manual drainage 16 Note Tighten the drain plug by hand only The maximum permissible tightening torque is 3 Nm In case of malfunction e g due to a drop in pressure unscrew the stopper 10 or the fil ter receptacle 12 and replace the filter car tridge orde2. E 16 Pressure 16 Additional oupi EE 17 Manval automatie switchover 20 ON 20 Mounting using an adapter plate 21 Operating the manual automatic switchover unit 22 Filter with filter receplacle u w 00en Rinne 22 Mounting he 22 Rotating supplementary filter cccccccccsccesseessccsseceseseeccsscesseceseeesaeenseenaees 23 Mounting the rotating supplementary filter ccccccccsecsecesseesseceseeeseeenseens 23 Set point adjUsImenk arunn needs 24 Maintenance sure 24 25 25 Accessories 26 Dimensions n Mm 27 Note For details on the Type 4708 45 Supply Pressure Regulator with increased air capacity see gt EB 8546 1 EN EB 8546 EN 3 General safety instructions 1 General safety instructions For your own safety follow these instructions concerning the mounting start up and opera tion of the device The device is to be assembled started up or operated only by trained and experienced per sonnel familiar with the product According to these mounting and op
3. 22 4 4 Filter with filter receptacle The Types 4708 83 4708 84 4708 86 and 4708 87 Air Filters are designed for univer sal use They have either G or 4 18 NPT threaded connection Fig 18 Types 4708 83 to 87 Air Filters 4 4 1 Mounting the air filter Mount the air filter directly into the pipeline while ensuring the direction of flow printed on the device is kept NOTICE The filter receptacle must face down wards to function correctly EB 8546 EN Pneumatic connections 4 5 Rotating supplementary fil 4 5 1 Mounting the rotating ter supplementary filter The rotating supplementary filter see Fig 15 Remove the cover and filter cartridge from is designed for mounting to Type 4708 53 the supply pressure regulator and Types 4708 55 to 63 Supply Pressure _ Place the supplied seal carefully onto the Regulators It replaces the small integrated fil groove see arrow of the connection ter cartridge The entire filter housing can be rotated by 360 to ensure that the condensate drain is always facing downwards Insert connecting pipe together with seal into the supply pressure regulator and tighten the plastic coupling nut Filter versions Aluminum body with filter in transparent plas tic receptacle Temperature range 25 to 70 C Order no 1400 9460 Special version Temperature range 50 to 70 C Order no 1400 9461 Fig 19 Connection and seal for supplementa ry filter
4. 6 Design and principle of operation 2 2 Technical data however at least 1 6 bar 24 psi max 12 bar 180 psi Permissible ambient temper 25 to 70 C 50 to 70 C for Type 4708 11 12 13 14 45 83 86 ature values in parenthe 25 to 80 C 40 to 80 C for Type 4708 64 ses apply to low tempera 25 to 80 C 50 to 80 C for Type 4708 10 17 53 54 55 57 ture version 58 62 82 84 87 30 C possible but in this case air consumption reaches up to 0 3 mn3 h with 7 bar supply pressure Dependency on inlet pressure lt 0 01 bar Ap 1 bar 0 1 to 0 4 bar depending on set point Hysteresis lt 0 1 bar Pressure gauge 40 1 6 bar 0 to 24 psi or to 6 bar 0 to 90 psi reading range Connection Type 4708 55 Housing Metal parts Aluminum 3 3547 or stainless steel 1 4404 Plastic parts Polyamide glass fiber reinforced Adapter plate Aluminum alloy anodized black Stopper and gasket Polyamide glass fiber reinforced and NBR Cover Polyamide glass fiber reinforced Cover Polyamide glass fiber reinforced Polyamide glass fiber reinforced and polyoxymethylene Plug seal NBR and VMQ Diaphragm NBR Diaphragm plate Polyamide glass fiber reinforced Filter cartridge 20 pm polypropylene 5 pm stainless steel Replacement filter 5 pm stainless steel Pressure Housing Stainless steel Nickel plated brass gauge Connection Stainless steel copper free version EB 854
5. 6 EN 9 Mounting the supply pressure regulator 3 Mounting the supply pressure regulator To prevent excessive amounts of condensed water from collecting the distance between the compressor and supply pressure regulator should be kept as short as possible NOTICE Make sure the drain plug faces down wards in versions with filter receptacle 3 1 Compact supply pressure regulator The supply pressure regulator can either be mounted directly in the air supply pipeline or on rails or brackets using the corresponding mounting parts see accessories in section 8 Observe the direction of flow of the supply air An arrow on the nameplate indicates the direction Connecting plate Flat gasket Standard label pressure regulator 3 1 1 Direction of flow In the compact supply pressure regulators Type 4708 10xx 1 1xx 14xx and 17 the direction of flow can be changed as fol lows 1 Unscrew the two fastening screws and lift the supply pressure regulator off its con necting plate 2 Remove the diverting gasket turn it 180 and reposition it as shown in Fig 3 Note The long rubber finger of the gasket must always point in the direction of the regulator outlet 3 Fasten the supply pressure regulator onto the connecting plate 4 Stick the enclosed adhesive label over the arrow of the nameplate making sure that the arrow indicates that the supply air flows in the opposite direction Connecting p
6. 7 Actuator Left or right attachment T Z H a U AH EB 8546 EN 31 Dimensions in mm Type 4708 6221 for Type 3372 031x Actuator Type 4708 82 Manual automatic switchover with adapter plate 32 EB 8546 EN Dimensions in mm EB 8546 EN 33 SAMSON AG MESS UND REGELTECHNIK Weism llerstra fe 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 8546 EN 2013 05 17
7. Supply Pressure Regulator Type 4708 Fig 1 Supply pressure regulator Type 4708 6252 on Type 3372 Actuator Mounting and Operating Instructions EB 8546 EN Edition November 2012 Definition of the signal words used in these mounting and operating instructions A DANGER NOTICE indicates a hazardous situation which indicates a property damage mes if not avoided will result in death or sage serious Injury Note WARNING Supplementary explanations informa indicates a hazardous situation which tion and tips if not avoided could result in death or serious Injury 2 EB 8546 EN 2 2 2 3 1 3 1 1 3 1 2 3 2 4 1 4 2 A3 4 3 1 4 3 2 4 3 3 4 4 4 4 1 4 5 4 5 1 Contents General safety instructions csscccssscsssccssscesscccssscesssccssscsesecessecesssesseseees 5 Design and principle of operation cssscssscsssscesssssscssssssssssscssscssessenseses 6 NEES curt RE cetera ee ee 8 MS FG 9 Mounting the supply pressure regulator cssssccsssscssssccsssecessecesseeeesees 10 Compact supply pressure regulator ccccccccccssccessceessecesseeesseeesesenseeeeseens 10 Direction of WOW ea een 10 Turning the supply pressure reQulator c cccccccessccessecssecesseeesseeetseesseeeeseees 11 Supply pressure regulators for attachment to positioners and actuators 12 PReumahe connections unse
8. adapter plate standard version Type 4708 for positioner Aluminum filter without filter Types 3730 3766 3767 5 3 3780 3785 3787 with plastic filter receptacle Types 3730 3766 3767 gia 3780 3785 3787 with aluminum filter receptacle 112 RE Te Type 4763 4765 5 5 Jo upply pressure regulator in stainless steel EDEN Stainless steel filter with stainless 1 steel filter receptacle Type 3761 5lel with plastic filter receptacle alal Supply pressure regulator with adapter plate without filter receptacle causir Connection Type 3277 240 to 700 cm with Type 3730 3766 3767 EINES 3780 3785 or 3787 Positioners E 4 18 NPT 5 type 3372 Set point range 0 5 to 6 bar 8 to 90 psi Type 3277 Actuator with Without pressure gauge fo connection block completely Manual automatic switchover free of copper Bypass for positioner with pressure gauge housing 2 Filter without pressure gauge free of copper Type 4708 Set point range 0 2 to 1 6 bar 3 to 23 psi Aluminum body and plastic filter Without pressure gauge receptacle with pressure gauge completely 4 ann an and aluminum free of copper ilter receptacle with pressure gauge housing 5 0 and plastic free of copper p Supply pressure regulator with increased air Stainless steel body and stain capacity less steel filter receptacle eresse fasl 8 854
9. asket for filter receptacle Stopper including seal Fig 2 10 and 10 1 Pressure gauge 1199 0423 1199 0424 1199 0425 0439 0061 1099 5055 Pressure gauge entirely made of stainless steel 0089 0009 Pressure gauge made of brass stainless steel 0089 0018 Pressure gauge seal 1099 4305 EB 8546 EN 25 Accessories 8 Accessories Mounting parts for rail mounting according to EN 50022 1400 7341 Mounting parts for rail mounting according to EN 50035 1400 7342 Mounting parts for mounting on bracket for Type 3271 or Type 3277 1400 7343 Actuators Intermediate plate for additional connection with Types 4708 10 11 53 55 58 62xx not required for Type 4708 54 xx Aluminum with G 14 thread 1400 7400 Aluminum with 1 4 NPT thread 1400 7404 Stainless steel with G 1 4 thread 1400 7402 Stainless steel with 1 4 NPT thread 1400 7406 Intermediate plate for additional connection with Type 4708 57xx Supply Pressure Regulator Aluminum with G 14 thread 1400 7401 Aluminum with 1 4 NPT thread 1400 7405 Stainless steel with G 1 4 thread 1400 7403 Stainless steel with 1 4 NPT thread 1400 7407 Special screw to mount Type 4708 54xx on Type 3710 Reversing Am 1400 7806 plifier Adjustment knob for set point adjustment 1400 7408 Nut for panel mounting 1400 7725 Adapter plate for manual automatic switchover Type 4708 82 Aluminum with G 4 thread 1400 9605 Aluminum with 1 4 NPT thread 1400 9606 Stain
10. dapter plate 20 EB 8546 EN Pneumatic connections Optionally a Type 4708 53 Supply Pressure 4 3 2 Mounting using adapt Regulator can be mounted upstream of the r plate manual automatic switchover unit Fig 15 Fasten adapter plate for example to a NAMUR rib using a hexagonal socket screw Fit the gasket on the manual automat ic switchover unit Fasten it to the adapt er plate using the two hexagonal socket screws Fig 15 Manual automatic switchover with Type 4708 53 Supply Pressure Regulator with pressure gauges and rotating filter receptacle Fig 16 Mounting using an adapter plate Connect hook up for positioner and actu ator as shown in Fig 13 EB 8546 EN 21 Pneumatic connections 4 3 3 Operating the manual automatic switchover unit In normal operation the manual automatic switchover runs in automatic mode during which the positioner supplies air to the pneu matic actuator Fig 17 Cap and switchover pin To switch to manual mode twist off the plas tic cap Turn the switchover pin counterclock wise and pull it approx 1 cm out of the bay onet lock The compressed air is then routed directly from the supply pressure regulator or from the air supply network to the pneumatic actuator To switch back to automatic mode push in the switchover pin again To do this insert the lock pin completely into the bayonet and lock it Replace plastic cap and tighten
11. e EB 8546 EN 11 Mounting the supply pressure regulator 3 2 Supply pressure regulators for attachment to position ers and actuators The supply pressure regulator versions intend ed for attachment to positioners and actuators are equipped with various adapter plates for the attachment If required the installation position of the supply pressure regulator can be changed by turning it 180 on its adapter plate to allow the set point screw to face either up or down This applies particularly to positioners that can be attached either to the left or right side of the valve yoke to determine the operating direction and fail safe action of the actuator To turn the supply pressure regulator proceed as described in section 3 1 2 for the compact supply pressure regulators The regulator is turned on its adapter plate in stead of on the connecting plate Supply pressure regulator for Type 3730 3766 3767 3780 3785 or 3787 Positioner Type 4708 53xx for Type 3271 Actuator and Type 3277 Actuator 120 240 to 700 cm with hooked up valve accessories 1 Insert the gasket 2 into the recess of the adapter plate 1 2 Place the supply pressure regulator on the positioner on the side where the pneumatic connections SUPPLY and OUTPUT are located Screw tight using the two 5 screws 3 Type 4708 54xx for rotary actuators Proceed to mount as Type 4708 53xx 12 Type 4708 54xx has a second output sealed with a stoppe
12. erating instructions trained personnel refers to individuals who are able to judge the work they are assigned to and recognize possible dangers due to their specialized training their knowledge and experience as well as their knowledge of the applicable standards To avoid damage to any equipment the following also applies Proper shipping and storage are assumed EB 8546 EN 5 Design and principle of operation 2 Design and principle of oper ation The supply pressure regulator is used to sup ply pneumatic measuring and control equip ment with a constant air supply The maxi mum 12 bar pressure of the compressed air network in a plant is reduced to an adjust able minimum pressure of 0 2 to 1 6 bar or 0 5 to 6 bar At the inlet side the supply pressure regulator is equipped with a filter cartridge with a mesh size of 20 In addition the regulator can also be equipped with a filter receptacle and a pressure gauge on the outlet side The compressed air at the inlet flows across the filter and through the free cross sectional area between the seat 1 1 and plug 1 2 It leaves the outlet with a reduced pressure de pending on the plug position The output pressure to be controlled is trans ferred through the bore 1 3 to the operating diaphragm 2 where it is converted into a po sitioning force This force is used to move the valve plug depending on the force of the po sitioning spring 4 Turning the
13. he two spe cial screws 5 Seal the IN SIGNAL connection of the posi tioner using the stainless steel stopper 10 EB 8546 EN Mounting the supply pressure regulator 6 Seal the spare connections with stoppers 4 to prevent dirt from entering the device 1 1 WHI WILLE Fig 6 Attachment on positioners 13 Mounting the supply pressure regulator Type 4708 58xx for Type 3761 Positioner 7 Screw the special nut 5 into the SUPPLY connecting hole of the positioner 8 Push the special hollow screw 6 into the connection hole of the adapter plate 1 9 Insert the O ring 9 Position the supply pressure regulator and fasten it to the po sitioner using the special screw 10 Seal the spare connections with stoppers 4 to prevent dirt from entering the de vice Type 4708 64xx for Type 3277 Actuator Before attaching the supply pressure regulator check whether the tongue of the gasket 1 2 is aligned at the connection block 1 in such a way that the actuator symbol 1 3 indicating Actuator stem extends or Actuator stem re tracts matches the fail safe action of the actu ator If this is not the case proceed as follows 1 Unscrew the three Phillips screws 3 1 lift off the cover plate 1 1 and turn the gas ket 1 2 by 180 and reinsert it 2 Place the connection block with insert ed O ring on the positioner and actuator yoke and fasten it with hexagonal soc
14. ir ducts All versions can be ordered made of alumi num or stainless steel and with either G or NPT threads See section 8 SUPPLY Intermediate plate 2 with 4 1 additional connection Fig 10 Mounting an intermediate plate for Types 3730 3766 3767 and 3780 Positioners EB 8546 EN 17 Pneumatic connections Mounting the intermediate plate Note 1 Remove the fastening screws and lift the Note The long rubber finger of the diverting supply pressure regulator 4 together with gasket must always point in the direction of the diverting gasket 3 off the adapter the regulator outlet reduced supply pressure plate 1 Make sure you do not change see Fig 10 11 and 12 the position of the diverting gasket in 2 Insert O rings 2 1 in the holes of the in supply pressure regulator termediate plate 2 3 Place the intermediate plate onto the con necting plate or adapter plate in such a way that the three holes located next to Supply air input B Go a Output 2 Tut Reduced cir 18 EB 8546 EN one another are positioned over both 5 mm holes on the adapter plate and the bores 1 1 for the fastening screws are aligned 4 Place the supply pressure regulator 4 with the diverting gasket 3 onto the in termediate plate 2 Insert the longer fas tening screws and fasten the parts 1 1 SUPPLY Intermediate plate 2 Fig 12 Mounting an intermediate
15. k et screw 3 3 Place the supply pressure regulator with O ring on the connection block and fasten it with hexagonal socket screw 2 Fig 7 Attachment of supply pressure regulator EB 8546 EN Mounting the supply pressure regulator Type 4708 62xx for Type 3372 Actuator 6 Insert the O ring 9 Position the supply 4 Screw the special nut 5 into the SUPPLY pressure regulator and fasten it to the ac connecting hole of the actuator tuator using the special screw 5 Push the special hollow screw 6 into the 7 Seal the spare connections with stoppers connection hole of the adapter plate 4 to prevent dirt from entering the de vice Fig 8 Attachment to Type 3372 Actuator EB 8546 EN 15 Pneumatic connections A Pneumatic connections The air connections are designed either with or 14 18 NPT threads On compact sup ply pressure regulators an arrow on the ad hesive label indicates the direction from the supply air input to the output In supply pressure regulators with two con necting holes in the adapter plate Fig 5 and 6 top the supply air connection is marked SUPPLY The positioner s output signal is routed in these versions over the OUTPUT port through the adapter plate to the actuator 20 21 22 23 4 1 Mount the pressure gauge in such a way that there is a 2 to 3 mm gap between the lock nut and pressure gauge s square end after tight ening the loc
16. k nut 20 Pressure gauge In the compact versions Type 4708 1 2xx 13xx make sure additionally that the screw plug 23 is only screwed in to the point where it becomes aligned with the housing other wise the gaskets 21 22 will be damaged Each gasket is assigned either to the pres sure gauge or to the screw plug and must be changed correspondingly if you change the location of the pressure gauge and screw plug to the other side Fig 9 Pressure gauge attachment e g with Type 4708 1 2xx 13xx Supply Pressure Regulators EB 8546 EN 4 2 Additional output An additional output for reduced air pres sure is required to allow the supply pressure regulator to supply two pneumatic devices In some versions of Type 4708 see section 8 on accessories a second output can be made available by using an intermediate plate Example Pneumatic actuator with positioner and pilot operated solenoid valve gt Supply air must be supplied separately to the pilot control Output for reduced supply air Pneumatic connections The reduced supply pressure of the supply pressure regulator is additionally routed to the threaded connection at the side over the corresponding holes in the intermediate plate All supply pressure regulators have the same intermediate plate except for Type 4708 57xx designed for attachment to Type 3760 Positioner Fig 12 Its intermediate plate has a different hole assignment for the a
17. late Adhesive label with arrow Fastening screws Long rubber finger always pointing towards the regulator outlet Fig 3 Changing the direction of flow in compact supply pressure regulators EB 8546 EN Mounting the supply pressure regulator 3 1 2 Turning the supply pres 3 Turn the regulator 180 and rein sert the gasket In this way you keep regulator the bore assignment of the gasket for The supply pressure regulator can be turned supply air input and regulator outlet on its connecting plate to allow the set point Note The long rubber finger of the gasket screw to face either up or down must always point in the direction of the 1 Unscrew the two fastening screws and lift regulator outlet reduced supply pressure the supply pressure regulator off its con 4 Fasten the supply pressure regulator onto necting plate the connecting plate 2 Pull the diverting gasket out of the regula tor and keep it in this position Regulator facing upward Connecting plate or adapter plate Regulator facing downward Supply air input ee Supply gt Fastening screws Diverting gasket Long rubber finger always pointing towards outlet Regulator outlet Diverting gasket Front and back view Supply air input 3 19 Supply air input depending on the 1 EEE ofthe ST VV Regulator outlet long rubber finger Fig 4 Turning the supply pressure regulator on its connecting plate or adapter plat
18. less steel with G thread 1400 9607 Stainless steel with 1 4 NPT thread 1400 9608 Adapter plate from Type 3710 to mount Type 4708 53 on all old 1400 9621 versions of Types 3766 3767 or 3780 Positioner Replacement filter cartridge 5 ym sintered stainless steel 1400 9609 26 EB 8546 EN Dimensions in mm 9 Dimensions in mm Types 4708 10xx 17xx Supply Types 4708 11xx 14xx Supply Pressure Regulators Pressure Regulators 182 206 r N KA LZ m 1 6 Mounting bracket accessories Supply pressure regulator with intermediate plate The overall height increases by 24 mm when the additional connection is used In this case the dimensions in parentheses apply EB 8546 EN 27 Dimensions in mm Types 4708 12xx 13xx Supply Pressure Regulators Type 4708 83 84 86 87 Filter Type 4708 53xx Supply Pressure Regulator for Type 3730 3766 3767 3780 3785 or 3787 Positioner 65 89 Output 28 EB 8546 EN Dimensions in mm Type 4708 54xx Supply Pressure Regulator for Type 3730 3766 3767 3780 3785 or 3787 Positioner Reduced supply air Type 4708 55xx for Type 4763 or 4765 Positioner EB 8546 EN 29 Dimensions in mm Type 4708 57xx Supply Pressure Regulator for Type 3760 Positioner 30 EB 8546 EN Dimensions in mm Type 4708 58xx for Type 3761 Positioner Type 4708 64xx for Type 327
19. plate for Type 3760 Positioner EB 8546 EN Pneumatic connections 19 Pneumatic connections 4 3 Manual automatic switcho ver The positioner output is routed to the actuator over the manual automatic switchover In au tomatic mode the positioner is in closed loop operation In manual mode the output pres sure of any supply pressure regulator is direct ly applied to the actuator This creates a man ual bypass of the positioner The manual automatic switchover unit is mounted directly onto Types 376x 378x and 373x Fig 14 or on an adapter plate with hook up to the actuator Fig 13 The Type 4708 53 Fig 15 or Type 4708 54 Supply Pressure Regulator can be direct ly mounted All other supply pressure regula tors can be connected to the manual auto matic switchover unit using piping hook up 4 3 1 Mounting on positioners Insert flat gasket into recess of the man val automatic switchover unit Fig 14 Fasten the manual automatic switchover unit to the positioner using the two hex agonal socket screws Connect hook up to the SUPPLY and OUT PUT connections of the manual automatic switchover unit Legend Pneumatic control valve with positioner Adapter plate 1400 9605 G 1400 9606 NPT 4708 82 Manual au tomatic Switchover in AUTO mode Supply pressure regulator with filter e g Type 4708 10 Fig 14 Mounting the manual automatic switchover using an a
20. r 8504 9027 Prior to carrying out any maintenance work shut off the air supply In the version with a filter receptacle tighten the fastening screw 13 to allow the filter car tridge to sit properly Replace the gasket 12 1 order no 0439 0061 if necessary In Types 4708 1 1xx 14xx do not unscrew the bushing 11 if at all possible If however you needed to unscrew it replace the gasket 11 1 order no 0439 0287 as well If there is any leakage at the stopper 10 the entire stopper including the seal 10 1 must be replaced Refer to section on spare parts EB 8546 EN 7 Troubleshooting Leakage between supply pressure regula tor and adapter plate Check whether the diverting gasket Fig 3 and Fig 4 is installed and the two fasten ing screws are tightened properly Excessive blow off over the venting bore 3 Fig 2 Check whether the diverting gasket Fig 3 and 4 is installed correctly Air capacity drops and the output pres sure drops Check the filter cartridge 9 Fig 2 for dirt and make sure the set point is correct ly adjusted 7 1 Spare parts Troubleshooting Filter cartridge 20 pm Filter cartridge 5 pm including gasket Filter cartridge 5 pm sintered stainless steel 8504 9027 8504 9030 1400 9609 Filter receptacle Filter receptacle plastic Filter receptacle aluminum Filter receptacle stainless steel Filter compatible with paint on request G
21. r This is intended for reduced supply air It can be used to supply a second device if required e g a pilot operated so lenoid valve Type 4708 53xx LAS AL a i Fig 5 Attachment on positioners EB 8546 EN Type 4708 55xx for Type 4763 and Type 4765 Positioners 3 Screw the special nuts 5 into the connect ing holes of the positioner 4 Insert the gasket 2 into the recess of the adapter plate 1 5 Push the special hollow screws 6 for SUP PLY and 7 for OUTPUT into the connect ing holes of adapter plate 1 6 Place the supply pressure regulator onto the positioner and fasten it using the two spe cial screws 7 Seal the spare connections with stoppers 4 to prevent dirt from entering the device Type 4708 57xx for Type 3760 Positioner The attachment for a positioner mounted on the left side of the valve yoke looking onto the black switchover plate is shown For a positioner mounted on the right side the adapter plate is attached in the same way except the supply pressure regulator must be turned by 180 see Seite 30 bottom 1 Screw the special nuts 5 into the connect ing holes of the positioner 2 Insert the seals 9 into the recess of the adapter plate 1 3 Push the special hollow screws 6 for SUP PLY and 7 for IN SIGNAL into the con necting holes of adapter plate 1 4 Place the supply pressure regulator onto the positioner and fasten it using t
22. set point screw 7 causes the spring force to change and as a result the required set point is adjusted The set point ranges of the supply pressure regulator from 0 2 to 1 6 bar and 0 5 to 6 bar are determined by various tensions of the installed positioning spring 4 Condensed water contained in the com pressed air can be collected and drained when the filter cartridge 9 is mounted hor izontally or the filter receptacle 12 is sus pended downwards The stopper 10 can be unscrewed or the manual drainage can be activated drain plug 15 in old versions to drain condensed water Tighten the drain plug by hand only The maximum permissible tightening torque is 3 Nm EB 8546 EN Design and principle of operation Adapter plate connecting plate Dee Diverting gasket 1 1 1 T213 234 um ISSN 22777 z rie f E 22200 un N SICH GE On SOK KKK SS SS SAAS Plug Bore in body Operating diaphragm Venting bore Positioning spring Cap Lock nut Set point screw Adjustment knob accessories in section 8 Filter cartridge Stopper Sea Bushing Gasket Filter receptacle 1 Gasket Screw Drain plug max 3 Nm Manual drainage SSS NN 2 Fig 2 Sectional drawings EB 8546 EN 7 Design and principle of operation 2 1 Versions Supply pressure regulator in Supply pressure regulator with
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