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Supply Pressure Regulators

Type 4708

Mounting and

Operating Instructions

EB 8546 EN

Edition June 2012

Fig. 1 · Supply pressure regulators

Type 4708-1152 with filter receptacle

Type 4708-5352 on Type 3730 Positioner

Type 4708-6252 on Type 3372 Actuator

Summary of Contents for 4708-1152

Page 1: ...rs Type 4708 Mounting and Operating Instructions EB 8546 EN Edition June 2012 Fig 1 Supply pressure regulators Type 4708 1152 with filter receptacle Type 4708 5352 on Type 3730 Positioner Type 4708 62...

Page 2: ...ions 14 3 1 Pressure gauge 14 3 2 Additional connection for a solenoid valve 15 3 3 Manual automatic transfer 18 3 3 1 Mounting on positioners 18 3 3 2 Mounting using an adapter plate 19 3 3 3 Operati...

Page 3: ...d personnel observing the accepted industry codes and practices Make sure employees or third persons are not exposed to any danger All safety instructions and warnings in these mounting and operating...

Page 4: ...re to be controlled is trans ferred through the bore 1 3 to the operat ing diaphragm 2 where it is converted into a positioning force This force is used to move the valve plug depending on the force o...

Page 5: ...Plug 1 3 Bore in body 2 Operating diaphragm 3 Venting bore 4 Positioning spring 5 Cap 6 Lock nut 7 Set point screw 8 Adjustment knob accessories in Section 7 9 Filter cartridge 10 Stopper 11 Bushing...

Page 6: ...ee of copper 4 With pressure gauge copper free housing 5 Supply pressure regulator with adapter plate for positioners Type 3730 3766 3767 3780 3785 3787 5 3 Type 3730 3766 3767 3780 3785 3787 5 4 Type...

Page 7: ...y pressure Input pressure dependance 0 01 bar Dp 1 bar Reversing error 0 1 bar to 0 4 bar depending on the set point Hysteresis 0 1 bar Pressure gauge 40 indication range 0 to 1 6 bar 0 to 24 psi or 0...

Page 8: ...and 17xx the direction of flow can be changed as follows 1 Unscrew both fixing screws and lift the supply pressure regulator off its connect ing plate 2 Remove the diverting gasket turn it 180 degree...

Page 9: ...gulator outlet Note The long rubber finger of the gas ket must always point in the direction of the regulator outlet reduced supply pressure 4 Fasten the regulator onto the connecting plate EB 8546 EN...

Page 10: ...ulator in section 2 1 2 The reg ulator is turned on its adapter plate instead of on the connecting plate Regulators for Types 3730 3766 3767 3780 3785 3787 Positioners Type 4708 53xx for Type 3271 Act...

Page 11: ...r 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 bottom of page 28 1 Screw the special nuts 5 into...

Page 12: ...block 1 in such a way that the actuator symbol 1 3 indicating Actuator stem extends or Actu ator stem retracts matches the fail safe ac tion of the actuator If this is not the case proceed as follows...

Page 13: ...he connecting hole of the adapter plate 3 Insert the O ring 9 Position the supply pressure regulator and fasten it onto ac tuator using the special screw 4 Seal the spare connections with stoppers 4 t...

Page 14: ...e gauge Mount the pressure gauge in such a way that there is a 2 3 mm gap between the lock nut and pressure gauge s square end after tightening the lock nut 20 In the compact versions Type 4708 12xx 1...

Page 15: ...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 47...

Page 16: ...always point in the direction of the regulator outlet reduced supply air See Figs 10 11 and 12 2 Insert O rings 2 1 in the holes of the in termediate plate 2 3 Place the intermediate plate onto the ad...

Page 17: ...pply pressure regulator 4 with the diverting gasket 3 onto the in termediate plate 2 Insert the longer fix ing screws and fasten the parts EB 8546 EN 17 Pneumatic connections SUPPLY AM A 2 1 2 1 1 1 E...

Page 18: ...All other supply pressure regulators can be connected to the manual automatic transfer by a piping hook up 3 3 1 Mounting on positioners 4 Insert flat gasket into recess of the man ual automatic tran...

Page 19: ...n socket screw 4 Fit the flat gasket on the manual auto matic transfer unit Fasten it to the adapter plate using the two hexagon socket screws 4 Connect hook up for positioner and actu ator as shown i...

Page 20: ...tor 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 3 4 Filter with filter rece...

Page 21: ...e 40 to 70 C Order no 1400 9461 3 5 1 Mounting the rotatable supplementary filter 4 Remove the cover and filter cartridge from the supply pressure regulator 4 Place the supplied seal carefully onto th...

Page 22: ...or 4 Unscrew the drain plug 15 by about half a turn or 4 Activate the manual drainage 16 Note Tighten the drain plug by hand only The maximum permissible tightening torque is 3 Nm When faults occur e...

Page 23: ...d make sure the set point is cor rectly adjusted 6 1 Spare parts EB 8546 EN 23 Troubleshooting Article Order no Filter Filter cartridge 20 m Filter cartridge 5 m including seal 8504 9027 8504 9030 Fil...

Page 24: ...iate plate for additional connection with Type 4708 57xx Supply Pressure Regulator Aluminum with G thread Aluminum with NPT thread Stainless steel with G thread Stainless steel with NPT thread 1400 74...

Page 25: ...60 44 182 206 Type 4708 11xx 14xx Supply Pressure Regulator Supply pressure regulators with intermediate plate The overall height increases by 24 mm for the additional connection In this case the dime...

Page 26: ...y 51 25 70 4708 535 NPT 44 59 42 15 116 99 42 44 41 102 123 12 59 Type 4708 12xx 13xx Supply Pressure Regulator Type 4708 83xx 84xx 86xx 87xx Supply Pressure Regulator Type 4708 53xx Supply Pressure R...

Page 27: ...96 19 3 Output Supply Type 4708 54xx Supply Pressure Regulator for Types 3730 3766 3767 3780 3785 3787 Positioners Type 4708 55xx for Types 4763 4765 Positioners G 6 0 SAMSON 4763 4708 552 6 0 Output...

Page 28: ...28 EB 8546 EN Dimensions in mm 99 122 133 157 Supply Input Signal Input Signal Supply 9 27 9 27 47 122 Type 4708 57xx Supply Pressure Regulator for Type 3760 Positioner...

Page 29: ...mm 138 238 G Output Output S Input 6 5 4 3 2 1 0 SAMSON 27 60 84 Supply 56 111 30 93 74 207 111 125 113 37 125 Supply G3 8 Type 4708 64xx for Type 3277 Actuator Attachment on left or right Type 4708 5...

Page 30: ...EN Dimensions in mm 0 6 G 4708 622X Supply 19 94 111 135 113 60 Supply 113 Type 4708 6221 for Type 3372 031x Actuator 70 56 56 46 24 82 28 50 13 10 Type 4708 82 Manual automatic transfer unit with ada...

Page 31: ...EB 8546 EN 31...

Page 32: ...SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 8546 EN S Z 2012 08...

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