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Diaphragm

If P5 is equipped with I/P unit (EP5), the I/P unit must be removed to access the diaphragm.
When installing the diaphragm make sure to place one washer on each side of the diaphragm.
Put some Loctite 577 on the thread, install the screw 3 and tighten.

Make sure the diaphragm is centered.

Check the O-ring for the diaphragm cover 2, install the O-ring into the positioner housing,
then install cover 2. Secure crosswise with screws 1, first turn loosely. Torque shall be 4,5
Nm (40 in-lbs).

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Содержание PMV P4

Страница 1: ...IOM Instructions P4 P5 EP5 alve Control System...

Страница 2: ...0 6 Cam adjustment 12 7 Calibration 13 Calibration procedure 13 8 Indicator adjustment 14 9 Front cover and indicator cover 14 10 Dampers 15 11 I P Unit P5 EP5 16 12 How to mount the I P Unit to the p...

Страница 3: ...rechend den g ltigen Normen gebaut und zum Einbau in eine Maschine oder Applikation bestimmt sind sowie da deren Inbetriebnahme so lange untersagt ist bis festgestellt wurde da diese Maschine Applikat...

Страница 4: ...ree operation Together with the unit a wide range of mounting kits are offered for quarter turn and linear applications Calibration and set up is quick and simple all done by thumb wheels The unit req...

Страница 5: ...Ease of calibration and maintenance are built into to the design with easily accessible span and zero adjustment and very simple parts replacement ATEX II 2 GD EP5 The EP5 has same features and benefi...

Страница 6: ...recommended that the air supply be left on at all times If units are installed immediately turn and leave on the air supply If positioners must be stored outdoors tighten all covers which may have loo...

Страница 7: ...on If Storage Seal is removed or damaged make sure all open enclosure entry points are proper resealed before further shipping or storage Use circular stickers marked I S and OUT supplied on Storage S...

Страница 8: ...nced position Air is supplied to the pilot valve through port S and controls the air flow through ports C1 and C2 Assume an equilibrium position An increased control pressure will deflect the diaphrag...

Страница 9: ...ould be carried out and the problem corrected Poor airquality is one of the major causes of premature failure of pneumatic equipment Installation P4 and P5 EP5 mounts on to the actuator using either t...

Страница 10: ...nput signal Port IE Input electric signal 4 20 mA On the I P unit Port P Gauge port for I P unit output pressure On the I P unit 5 Connections P5 EP5 only Ports Ip P S C1 and C2 are sealed with plugs...

Страница 11: ...11 X Port plugged C1 C2 S C1 C2 S C1 C2 S I I I Direct function...

Страница 12: ...cam 3 as desired making sure that the ball bearing 4 always is riding on an active lobe on the cam To secure the cam make sure that screw 1 is backed out from the locking nut 2 then finger tighten the...

Страница 13: ...libration procedure Check cam seating section 6 before starting calibration procedure 1 Apply 0 input signal 0 20 kPa 3 psi or 4 mA 2 Wait for steady state 3 Adjust zero by turning the silver lower th...

Страница 14: ...inage There are eight locations on the front cover where the O ring can be looped This O ring system is common to the Pneumatic unit I P unit and Feedback unit in the PMV Valve Control System P5 This...

Страница 15: ...the actuator travel speed For maximum actuator travel speed dampers shall be adjusted to mini mum damping posi tion Fig Double acting actuators adjust only OUTLET damper set SUPPLY damper in minimum...

Страница 16: ...e I P unit and the appropriate gauge block gasket installed The I P unit accepts a 4 20 mA input signal 11 I P Unit P5 EP5 1 2 The I P unit is equipped with a built in 30 micron filter Fig 4 Caution D...

Страница 17: ...I P unit Install the I P unit to the top of the Positioner unit making sure that the four O rings are present and properly seated Tighten the unit with the three screws See fig 1 and 2 page 16 Screw...

Страница 18: ...ry high bleed rates and poor performance Check the O rings then secure and install the pilot valve assembly into positioner unit press it towards the positioner housing wall and secure it with screw 1...

Страница 19: ...place one washer on each side of the diaphragm Put some Loctite 577 on the thread install the screw 3 and tighten Make sure the diaphragm is centered Check the O ring for the diaphragm cover 2 instal...

Страница 20: ...embly is aligned properly against the lower arm and the notch is engaged in the tab on the balance arm 2 Balance arm The balance arm 3 can only be removed after I P unit diaphragm and feedback spring...

Страница 21: ...arm The lower arm should move easily and smoothly Install the lower arm and rod assembly into the positioner housing making sure that the spring 6 is attached properly to the lower arm and positioner...

Страница 22: ...ion Do not operate the unit without filter and filter plug installed Do not attempt to unscrew filter plug while positioner is pressurized EP5 is equipped with a built in secondary filter located on t...

Страница 23: ...talled on to the Feedback unit WARNING Units installed in hazardous locations must have proper approvals Installing the feedback unit Remove the front cover indicator and Allen head screw from the top...

Страница 24: ...positioner Check diaphragm for damage or leakage Check pilot valve function Check cam for correct setting Check I P output Signal change results in actuator running to end positions Check coupling be...

Страница 25: ...ir consumption at supply pressure 0 6 MPa 87 Psi 8 nl min 0 31 SCFM Air delivery at supply pressure 0 2 MPa 29 Psi 140 nl min 5 46 SCFM 0 4 MPa 58 Psi 245 nl min 9 55 SCFM 0 6 MPa 87 Psi 350 nl min 13...

Страница 26: ...8 SCFM 1 MPa 145 Psi 35 7 nl min 1 26 SCFM 39 nl min 1 38 SCFM Air delivery at Supply Pressure 0 2 MPa 29 Psi 200 nl min 6 9 SCFM 0 4 MPa 58 Psi 370 nl min 12 8 SCFM 0 6 MPa 87 Psi 540 nl min 18 8 SCF...

Страница 27: ...27 Dimensional drawing P4...

Страница 28: ...28 17 Spare parts 21 20 3 21 20 20 15 18 21 1 6 16 20 20 10 17 13 19 20 2 20 11 20 21 12 20 7 8 9 P4...

Страница 29: ...en 8 P4 AS18 1 Lower arm assembly 9 P5 19 1 Rod 10 P5 20 1 Spring 11 P5 24 1 Twist stop 12 P4 AS25 1 Pilot valve incl O rings 13 P5 27 1 Cam locking nut incl screw 15 P5 31 1 Mounting adapter incl scr...

Страница 30: ...30 Spare parts P5 EP5 84...

Страница 31: ...r Flag 21 P5 21P 1 Indicator Pointer 22 P5 22T 1 Indicator cover Transparent incl O ring 22 P5 22F 1 Indicator cover Flag incl O ring 22 P5 22B 1 Indicator cover Blind incl O ring 24 P5 24 1 Twist sto...

Страница 32: ...32 84 Spare parts P5 EP5...

Страница 33: ...Filters 5 per package 67 E5 7 1 Gasket I P 71 E5 STD 1 I P converter 73 E5 N AS 11 1 Mounting bracket Round I P E5 G AS 11 incl screws O rings I P Nose 74 FU STD 1 Enclosure incl I P converter Std 74...

Страница 34: ...34 18 Certificates Cenelec Atex black label...

Страница 35: ...35 Cenelec Atex black label...

Страница 36: ...36...

Страница 37: ...37 Cenelec Atex white label...

Страница 38: ...difications to or repair of a certified instrument as this may invalidate the certified design If a certified instrument shoult fail no attempt should be made by the user to effect repair The unit sho...

Страница 39: ...FM White label...

Страница 40: ...CSA White label...

Страница 41: ......

Страница 42: ...Palmstiernas Instrument AB Korta Gatan 9 171 54 Solna Tel 46 0 8 555106 00 Fax 46 0 8 555106 01 E mail info pmv nu www pmv nu PMV PN 22549 02...

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