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  5. Mounting And Operating Instructions

Samson 4708-1152 Mounting And Operating Instructions

Manual is about: Supply Pressure Regulators

Summary of 4708-1152

  • Page 1

    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.

  • Page 2

    Contents page 1 design and principle of operation. . . . . . . . . . . . . . . . . . . . 4 1.1 versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.2 technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2 mounting the supply pressure regulator. . . . . ....

  • Page 3

    Eb 8546 en 3 safety instructions general safety instructions 4 the supply pressure regulators may only be mounted, started up or serviced by fully trained and qualified personnel, observing the accepted industry codes and practices. Make sure employees or third persons are not exposed to any danger....

  • Page 4: Design and Principle of

    1 design and principle of operation the supply pressure regulator is used to sup- ply pneumatic measuring and control equip- ment with a constant air supply. The maximum 12 bar pressure of the com- pressed air network in a plant is reduced to an adjustable minimum pressure of 0.2 to 1.6 bar or 0.5 t...

  • Page 5

    Eb 8546 en 5 design and principle of operation 15 1.1 1 1.2 1.3 2 3 4 5 6 7 8 9 10 10.1 11 11.1 12.1 12 13 9 16 fig. 2 · sectional drawings 1 body 1.1 seat 1.2 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 (access...

  • Page 6: 1.1 Versions

    1.1 versions standard version type 4708- x x x x filter on aluminum basis without filter receptacle 1 0 with plastic filter receptacle 1 1 with aluminum filter receptacle 1 2 stainless steel supply pressure regulator filter on stainless steel basis with stainless steel receptacle 1 3 with plastic fi...

  • Page 7: 1.2 Technical Data

    1.2 technical data eb 8546 en 7 design and principle of operation supply pressure regulator type 4708-xx supply pressure 1 bar (15 psi) above the adjusted set point, however, at least 1.6 bar (24 psi) · max. 12 bar (180 psi) output pressure adjustable from 0 to 1.6 bar (0 to 24 psi) or 0 to 6 bar (0...

  • Page 8: Mounting The Supply

    2 mounting the supply pressure regulator to prevent excessive amounts of condensed water from collecting, the distance between the compressor and supply pressure regula- tor should be kept as short as possible. Make sure the drain plug faces downwards in versions with a filter receptacle. 2.1 compac...

  • Page 9: Regulator

    2.1.2 turning the supply pressure regulator the supply pressure regulator can be turned on its connecting plate to allow the set point screw to face either up or down. 1. Unscrew both fixing screws and lift the supply pressure regulator off its connect- ing plate. 2. Pull the diverting gasket out of...

  • Page 10: And Actuators

    2.2 supply pressure regulators for attachment to positioners and actuators the supply pressure regulator versions in- tended for attachment to positioners and ac- tuators are equipped with various adapter plates for the attachment. If required, the installation position of the supply pressure regula...

  • Page 11

    Type 4708-55xx for type 4763 and type 4765 positioner 1. Screw the special nuts (5) into the con- necting holes of the positioner. 2. Insert the gasket (2) into the recess of the adapter plate (1). 3. Push the special hollow screws (6) for supply and (7) for output into the connecting holes of adapt...

  • Page 12

    Type 4708-58xx for type 3761 positioner 1. Screw the special nut (5) into the supply connecting hole of the positioner. 2. Push the special hollow screw (6) into the connection hole of the adapter plate (1). 3. Insert the o-ring (9). Position the supply pressure regulator and fasten it to the positi...

  • Page 13

    Type 4708-62xx for type 3372 actuator 1. Screw the special nut (5) into the supply connecting hole of the actuator. 2. Push the special hollow screw (6) into the connecting hole of the adapter plate. 3. Insert the o-ring (9). Position the supply pressure regulator and fasten it onto ac- tuator using...

  • Page 14: Pneumatic Connections

    3 pneumatic connections the pneumatic connections are designed ei- ther as g ¼ or ¼ npt-18 threads. On com- pact supply pressure regulators, an arrow on the adhesive label indicates the direction from the supply air input to the output. In supply pressure regulators with two con- necting holes in th...

  • Page 15: Solenoid Valve

    3.2 additional connection for a solenoid valve 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 sec- tion 7 on accessories), a second output can be made available by using an interme...

  • Page 16

    Mounting the intermediate plate 1. Remove the fixing screws and lift the supply pressure regulator (4) together with the diverting gasket (3) off the adapter plate (1). Make sure you do not change the posi- tion of the diverting gasket in the supply pressure regulator. Note: the long rubber finger o...

  • Page 17

    The adapter plate and the bores (1.1) for the fixing screws are aligned. 4. Place the supply 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 e...

  • Page 18

    3.3 manual/automatic transfer the positioner output is routed to the actua- tor over the manual/automatic transfer. In automatic mode, the positioner is in closed-loop operation. In manual mode, the output pressure of any supply pressure regu- lator is directly applied to the actuator. This creates ...

  • Page 19: Plate

    Optionally, a type 4708-53 supply pres- sure regulator can be mounted upstream of the manual/automatic transfer unit (fig. 15). 3.3.2 mounting using an adapter plate 4 fasten adapter plate, for example to a namur rib using a hexagon socket screw. 4 fit the flat gasket on the manual/auto- matic trans...

  • Page 20: 3.3.3 Operating The Manual/

    3.3.3 operating the manual/ automatic transfer in normal operation, the manual/automatic transfer runs in automatic mode, during which the positioner supplies air to the pneumatic actuator. To switch to manual mode, twist off the plas- tic cap. Turn the switchover pin counter- clockwise and pull it ...

  • Page 21: 3.5 Rotatable Supplementary

    3.5 rotatable supplementary filter the rotatable supplementary filter (see fig. 15) is designed for mounting to type 4708-53 and types 4708-55 to -64 supply pressure regulators. They replace the small integrated filter cartridge. The entire filter housing can be rotated by 360° to ensure that the co...

  • Page 22: Set Point Adjustment

    4 set point adjustment (fig. 2) depending on the version, the set point of the supply pressure regulator can be ad- justed either at the adjustment knob (8), or after screwing off the cap (5), at the set point screw (7). 4 turning the knob or screw clockwise in- creases the output pressure and turni...

  • Page 23: Troubleshooting

    6 troubleshooting 4 leakage between supply pressure regu- lator and adapter plate: check whether the diverting gasket (figs. 3 and 4) is installed and both fix- ing screws are tightened properly. 4 excessive blow-off over the venting bore (3 in fig. 2): check whether the diverting gasket (figs. 3 an...

  • Page 24: Accessories

    7 accessories 24 eb 8546 en accessories accessories order no. Mounting parts for mounting on rail acc. To en 50022 acc. To en 50035 1400-7341 1400-7342 mounting parts for mounting on bracket for type 3271 or type 3277 actuator 1400-7343 intermediate plate for additional connection with types 4708-10...

  • Page 25: Dimensions In Mm

    8 dimensions in mm eb 8546 en 25 dimensions in mm 79 52 43 39 19 51 44 60 90 126 78 (102) 79 52 43 19 51 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,...

  • Page 26

    26 eb 8546 en dimensions in mm 0 6 0 6 80 65(89) output supply 51 25 70 4708-535. Npt 44 59 42 15 116 99 42 44 Ø41 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 regulator for types 3730/3766/3767/378...

  • Page 27

    Eb 8546 en 27 dimensions in mm 73 192 111 66 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 supply 66 (90) 55 27 122 output (reduced supply).

  • 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

    Eb 8546 en 29 dimensions in 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 4708-58xx for type 3761 positioner.

  • Page 30

    30 eb 8546 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 adapter plate.

  • Page 31

    Eb 8546 en 31.

  • Page 32

    Samson ag · mess- und regeltechnik weismüllerstraße 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.