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Model 40

PNEUMATIC INDICATING CONTROLLER

K796131 REV. F
06/2021

Summary of Contents for PMT 40

Page 1: ...Model 40 PNEUMATIC INDICATING CONTROLLER K796131 REV F 06 2021...

Page 2: ...trument it should be sent directly to AMETEK PMT PRODUCTS 205 Keith Valley Road Horsham PA 19044 Contact the factory as follows to obtain a Return Authorization number RA before returning the unit Tel...

Page 3: ...ck Diaphragm pressure R Indicating Level 0 No Sensing Element 1 Bronze 300 psi Max except 160 psi must be stl stl 3 Stainless Steel 5 Ni Span C 7 Buna N S Special 8 Buna N center 0 included in element...

Page 4: ...agram 6 TUNING CONTROLLER TO PROCESS Proportional Controller 7 Manual Reset 7 Differential Gap Controller 7 Multi Mode Controllers 7 Tuning Proportional Reset Controller 7 Tuning Proportional Reset Ra...

Page 5: ...s Auto Manual Controller 20 REPLACEMENT PARTS LISTS Bourdon Tube Pressure Elements 21 Metal Diaphragm Elements 23 Slack Diaphragm Elements 25 High Static D P Elements 26 Door Case Assemblies 27 Chassi...

Page 6: ...APPLYING SUPPLY AIR REFER TO PRESSURE LIMIT LABEL ATTACHED TO RELAY Instrument requires clean dry oil free air Each controller should be supplied through a standard instrument dripwell filter and a r...

Page 7: ...SYPHON A 1 4 PIPE OR 3 8 TUBING 1 4 PIPE OR 3 8 TUBING CONDENSING CHAMBER LAGGED RISER 3 4 OR LARGER PROCESS COMMENT FIGURE Dry Gas Valve C is not needed Fig 2 or Fig 3 Wet Gas Gate Valve and or larg...

Page 8: ...ion either opening the inlet port allowing supply air to enter the output or opening the exhaust port exhausting output air Either of these changes continue until the force developed by the output dia...

Page 9: ...rst delays the balance across the capsule but in a definite time period produces equilibrium and restores the process to the set point In Fig 10 with the nozzle and proportional dial in the positions...

Page 10: ...zzle as shown in table and rotate the proportional dial so that the green pointer is in the A or B sector for a given controller REVERSING ACTION Supply air to controller is necessary for this operati...

Page 11: ...User Manual 6 Figure 11 OUTPUT GAUGE SET POINTER RED RELAY NOZZLE BAND ADJUSTMENT PROPORTIONAL DIAL DIAL SUPPLY GAUGE OPTIONAL PROCESS POINTER BLACK CHASSIS SET POINT KNOB FLAPPER SYNCHRONIZING NUT...

Page 12: ...User Manual 7...

Page 13: ...nal dial Note extreme high and low values which process reaches Adjust band to widen or narrow as necessary Adjust red pointer up or down until differential gap is at desired level Red pointer may be...

Page 14: ...ase the rate time in steps watching the process become more stable and finally unstable again Return to a value giving stability In case of uncertainly try about 1 8 of the cycle time noted above Repe...

Page 15: ...drops Restore supply pressure To correct valve adjust red pointer to be sure output pressure is brought to exact value noted during manual control Tuning procedure for proportional reset rate control...

Page 16: ...CE RELAY OUTPUT CYLCING PROBLEMS This difficulty will manifest itself by the appearance of process cycling when there had been none before Before proceeding with any other checks increase the proporti...

Page 17: ...instrument and mounting bolts for tightness especially under vibration conditions RELAY Fig 12 Remove from instrument disconnect supply and output piping Remove flexible tubing from nozzle connection...

Page 18: ...for pointer adjustment To replace Valve and Filter loosen two valve screws 3 turns without removing Pull up and rotate clockwise until tabs on valve are clear of the screw heads Remove and replace in...

Page 19: ...User Manual 14 FILTER BOTTOM O RING SPRING VALVE PIN Figure 14 FEEDBACK LINE VALVE SCREW 2 RESET VALVE MTG SCREW 2 ADJUSTING LINK LOCKING NUTS TO RELAY FIGURE 14...

Page 20: ...nside and controller will act like a proportional controller 7 Restore supply pressure to correct pressure 8 Move red pointer with setting knob until output pressure is at mid span 9 Turn proportional...

Page 21: ...scale to element Note pointer reading If pointer reads too high dimension C must be increased If the pointer reads too low dimension C must be decreased Remove dial and make adjustments as follows a...

Page 22: ...until the error at Pu is twice the error at Pc Then make range adjustments per 4 and 5 Figure 16 Tracking of red pointer to black is accomplished as follows Fig 17 1 Reconnect control link to element...

Page 23: ...ial and make adjustments as follows a To decrease T red pointer reads below black loosen lock screw on the upper segment turn and turn tracking adjust hex backward turn per percent of tracking error a...

Page 24: ...y broken or twisted hairspring or worn teeth it is necessary to disassemble element Remove dial by loosening two dial screws Remove movement by unhooking measurement link and loosening two movement mo...

Page 25: ...ise to shorten counterclockwise to lengthen Proceed with calibration as described under CALIBRATING AND TRACKING INSTRUCTIONS except for the scale shape adjustment If Pc is too high or low item 6 unde...

Page 26: ...ched through the dial Reassemble in reverse order To remove Differential Pressure Element remove 2 length adjust screws on the measurement link Loosen stop arm with 0 25 hex wrench and remove shaft cl...

Page 27: ...vice This may be removed with a dry cloth or a cotton swab soaked in solvent THE DOOR The door assembly may be removed by depressing upper hinge pin with a drill through hole in dust ledge When pin is...

Page 28: ...process cycling Therefore it is good to periodically clean the filters The filter element in the supply filter assembly can be cleaned without disconnecting the piping by removing the cap screw Remove...

Page 29: ...ntials This makes it possible to closely match regulator pressure Pr to nozzle pressure Pn With this system manual control is accomplished through the controller s output air delivery system Air deliv...

Page 30: ...y includes the parts listed below TO ORDER Specify material range and dial ITEM PART NUMBER DESCRIPTON 1 See Table Bourdon element 2 Specify Range Dial 3 P 505 A New P249505 Control Set Pointer 4 P 23...

Page 31: ...98068 0 250 to 0 350 PSI 0 1700 to 0 2400 kPa Z098675 98069 0 350 to 0 450 PSI 0 2400 to 0 3100 kPa Z098676 98102 0 450 to 0 550 PSI 0 3100 to 0 3800 kPa Z098677 98109 0 550 to 0 700 PSI 0 3800 to 0...

Page 32: ...K800803 Mounting Screw 8 32 x 38 2 req d K802803 Conn Mtg Screw 8 32 x 38 2 req d H 501 DC New H017135 Locknut H 6185 G New H552147 Stop Optional K802700 Screw 12 24 x 25 optional STANDARD ELEMENTS MA...

Page 33: ...Inches Water Pascal kPa 98783 4 5 0 4 5 to 8 4 0 8 4 1 0 1 to 2 0 2 98628 8 5 0 8 5 to 14 5 0 14 5 2 0 2 to 3 6 0 3 6 98784 14 6 0 14 6 to 24 9 0 24 9 3 6 0 3 6 to 6 0 6 98785 25 0 25 to 43 9 0 43 9...

Page 34: ...User Manual 29 12 K810805 Post Mounting Screw 8 Type F Self Thread 3 required 13 H 2025 WG New H074807 Gasket...

Page 35: ...w 2 56 x 13 2 required 9 K 800805 DIAPHRAGM H 6306 L DIAPHRAGM SPACER VALVE STEM H 6203 F STEM SPRING H 202 FA GASKET H 2025 YJ CAP H 1883 AM DIAPHRAGM ASSY RELAY BIAS SPRING SEE TABLE H 3109 BW N 208...

Page 36: ...Clamp 18 K 010060 Bushing 19 K 280060 Takeoff Arm SUPPLY FILTER FITTING N 1541 B N222928 OUTPUT FILTER FITTING N 1541 A N222900 OUTPUT FILTER FITTING ASSEMBLY BAG OF 10 REPLACEABLE FILTER ELEMENTS SP...

Page 37: ...Standard Anodized W Shatterproof Glass 97447 current CASE ASSEMBLIES Includes Case Items 14 15 TYPE CASE ASSY NEW PART Standard 99741 K070843 2 Pos ByPass 99750 K070857 Slack Diaphragm 99761 K070893...

Page 38: ...oor Gasket 10 H 6070 H New H517920 Pin 2 req d 11 H 202 AO New H009188 Spring door 12 K190250 Shroud standard K190251 Shroud W Supply gauge 13 K230046 Gasket for AP option 14 85509 Door Catch Assy 15...

Page 39: ...721002 K721023 200 w 3 15 Prop Feedback 99186 K721002 K721025 200 w 6 30 Prop Feedback 99187 K721002 K721026 200 w 3 15 Reset Feedback 99189 K721002 K721028 200 w 6 30 Reset Feedback 99190 K721002 K72...

Page 40: ...Can be used for 3 27 PSI 20 186 kPa Includes supply tubing K270112 side connection block K670049 elbow K080120 Not Shown BLACK PLASTIC TUBING 1 16 ID X 1 8 OD X 36 Inches long PART NO K270127 Can be...

Page 41: ...User Manual 36 MTG SCREW 2 8 32 X 50 K802805 RESET VALVE ASSY K671019 MTG SCREW 2 8 32 X 25 K803802 TO RELAY TUBING K270091 TUBING K270113 TUBING K270117 TUBING K270118 MTG SCREW 2 8 32 x 31 K803803...

Page 42: ...User Manual 37 MULTI MODE FEEDBACK ASSEMBLIES...

Page 43: ...290 Link Assy 200 Prop N 2027 CR New N241090 Link Assy 300 Prop 2 K150010 Adj Link 3 K270101 Tubing 4 K880006 Knurl Nut 5 K852000 Hex Nut 2 56 6 K800402 Valve Screw 4 40 x 25 2 required per valve 7 K8...

Page 44: ...70 K721027 INCHES MM FRONT VALVE MTG SLACK DIAPHRAGM CONT R OUTLINE DIMENSIONS INDICATING CONTROLLER PANEL CUTOUT BACK 8 56 217 4 5 12 130 0 84 21 3 2 18 55 4 1 37 34 8 1 00 25 4 1 62 41 1 2 50 63 5 1...

Page 45: ...User Manual 40 REPLACEMENT PARTS KITS...

Page 46: ...2 and K080068 barb assembly MTG SCREWS 2 8 32 X 38 TUBING K270092 K802803 OUTPUT OUTPUT GAUGE ASSEMBLY TWO POSITION BY PASS auto manual K614001 for 3 15 or 6 30 psi output AUTO MAN EXTERNAL RESET FEED...

Page 47: ...User Manual 42...

Page 48: ...User Manual 43 INDICATING CONTROLLER OUTLINE DIMENSIONS...

Page 49: ...674 1234 205 Keith Valley Road Horsham PA 19044 U S A AMETEK Inc All rights reserved Printed in the U S A Specifications are subject to change without notice Visit our Web site for the most up to dat...

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