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Azbil AMT User Manual

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CM2-AMT100-2001
Control Valves
Model: AMT
User's Manual
AMT000001000P

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Summary of Contents for Azbil AMT

  • Page 1 CM2-AMT100-2001 Control Valves Model: AMT User’s Manual AMT000001000P...
  • Page 2 In no event is Azbil Corporation liable to anyone for any indirect, special or consequential damages. This information and speci- fications in this document are subject to change without notice.

  • Page 3: Table Of Contents

    Table of Contents 1. GENERAL ....................1 1.1 Scope ..........................1 1.2 Major Components of Control Valves ................1 1.3 Structures ..........................2 1.4 Nameplate .........................4 2. INSTALLATION ..................5 2.1 Maximum Lifting Loads of Eyebolts ................5 2.2 Installing Valve in Process Pipe ..................5 2.3 Item to be Checked After Installation and Before Starting Operation ......6 3.

  • Page 5: General

    1.1 Scope This manual covers the instructions for the Three-way Control Valves. Model AMT Mixing Valves and Model HDT Diverting Valves. For the valve positioners, refer the following operators manuals. • Model VPE OM2-8310-0410 Pneumatic valve positioner for small actuators •...

  • Page 6: Structures

    Packing Ring Gasket Guide Bushing Seat Ring Valve Plug Gasket Seating Guide Guide Ring 1-1/2” and 2” Size Valve Body Valve Body 2-1/2” or More Fig. 1-1 Mixing Type Three-way Valve (AMT) Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 7 V-Packing Retainer V-Packing Spring Blind Plug Packing Ring Gasket Guide Bushing Seat Ring Valve Plug A Gasket Seating Guide Guide Ring Valve Plug B Lock Fig. 1-2 Diverting Type Three-way Valve (HDT) Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 8: Nameplate

    The nameplate indicate also the product number (PROD.NO.) of the control valve. Please mention this number also when consulting your Azbil Corporation agent for replacement of parts or other modification of the control valve.

  • Page 9: Installation

    (5) Before connecting the air pipes to the actuator and positioner, blow the pipes to clean them. (6) Do not install any heating or cooling provisions on the bonnet. Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 10: Item To Be Checked After Installation And Before Starting Operation

    If the squeeze screw turn lightly, and grease in the lubricating procedure mentioned below. (If the squeeze screw turns heavily, this means that grease has been applied.) Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 11 (5) When raising temperature of a valve which is used for high temperature service, raise temperature gradually (standard rate is 100 per hour) and do not operate the valve when its temperature is being raised. Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 12: Inspection And Maintenance

    The lubricating procedure is as given in Section 2-3-(4). (3) Check for hunting of valve Position: Refer to Section 10 “TROUBLESHOOTING.” (4) Check for abnormal noise and vibration: Refer to Section 10 “TROUBLESHOOTING.” Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 13: Disassembly And Assembly

    Disassembly Procedure • AMT (Mixing) Type (Refer to Fig.4-1, 4-2, 4-3) (1) Apply an air pressure to the diaphragm so that the pointer indicates slightly below the position AB-B for direct acting actuator provided or indicates slightly above the position AB-A for reverse acting actuator and hold it in either case so that the valve plug does not touch the seat ring.
  • Page 14 Assembly Procedure • AMT (Diverting) Type (Refer to Figs. 4-1, 4-2, 4-3) To assemble the valve, follow the disassembly procedure in the reverse order. (1) To mount the seat ring, use the “special tool for mounting and removing the seat ring.”...
  • Page 15 390 {3,900} 850 {8,500} 2-1/2 520 {5,200} 1,000{10,000} 650 {6,500} 1,200 {12,000} 800 {8,000} 1,400 {14,000} 1,000 {10,000} Table 4-1 Seat Ring Tightening Torques Table 4-2 Tightening Torque of Bonnet Stud Bolts Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 16 Azbil Corporation Fig. 4-1 Model AMT 1” Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 17 Azbil Corporation Fig. 4-2 Model AMT 1 1/2”, 2” Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 18 Azbil Corporation Fig. 4-3 Model AMT 2 1/2” - 6” Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 19 Azbil Corporation Fig. 4-4 Model HDT Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 20: Disassembly And Assembly Of Actuator

    When disassembling or assembling the actuator, keep it in the vertical attitude. For the tightening torques of bolts and nuts, see Tables 4-5. For the names of the parts, see Figs.4-11 and 4-19. Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 21 When removing the bolts and nuts, be sure to observe the instructions given for disassembly and assembly procedures of the actuator and top handwheel. Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 22: Disassembly And Assembly Of Model Psa 1

    (4) Alternately and evenly loosen the pair of eyebolts. The initial setting of the springs is achieved using the eyebolts. (5) Remove the diaphragm case. Take on the springs. (6) Pull the actuator rod upward and out together with the diaphragm. Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 23 Azbil Corporation Fig. 4-6 Direct Action model PSA1D Fig. 4-7 Reverse Action model PSA1R Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 24 Install packing for the rod and dustseal in the correct direction. Refer to Fig.4-6. Diaphragm plate Diaphragm plate Stopper Eyebolt Air pipe connection port (upper diaphragm case) Air vent hole (lower diaphragm case) Fig. 4-8 Direct Action Models Model PSA1D Actuator Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 25 Install packing for the rod and dustseal in the correct direction. Refer to Fig.4-7. Diaphragm plate Stopper Diaphragm plate Eyebolt Air vent hole (upper diaphragm case) Air pipe connection port (lower diaphragm case) Fig. 4-9 Reverse Action Model Model PSA1R Actuator Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 26 Note: Install the rain cap on the reverse actuator as follows. Drive the cap into the diaphragm case until the shoulder (brim) of the cap is brought into contact with the diaphragm case, then drive the cap further into the diaphragm case by half a turn. Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 27 Truss screw SUS304, SK5 Yoke A216WBC(SCPH2) Scale plate SUS304 Stem connector SCS13A Drive screw SUS304 Bolt SUS304 Nameplate SUS304 Diaphragm retainer SS400 Rain cap SUS304 Diaphragm plate AC4A/AC4C Washer SUS304 Spring SWOSM-B, SWOSC-V Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 28: Disassembly And Assembly Of Model Ha2, Ha3, Or Ha4 Actuator

    (5) Remove the diaphragm case. Pull out upward the actuator rod together with the diaphragm. (6) Take out the springs. Fig. 4-12 HA2D or HA3D Actuator Fig. 4-13 HA4D Actuator Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 29 (5) Remove the diaphragm case. Take out the springs. (6) Pull out upward the actuator rod together with the diaphragm. Fig. 4-14 HA2R or HAR Actuator Fig. 4-15 HA4R Actuator Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 30 2. Check that the actuator smoothly operates for its full stroke. Note: Check this operation by operating the actuator as an independent unit. Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 31 2. Check that the actuator smoothly operates for its full stroke. Note: Check this operation by operating the actuator as an independent unit. Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 32 Table 4-6 Tightening Torques of Bolts and Nuts of Actuator Unit:(N.m{kgf-cm}) Materials For HA2 For HA3 For HA4 SK5 S45C 37{370} 105{1,050} 310{3,170} S30C 42{420} 105{1,050} 360{3,360} S20C 69{690} 140{1,450} 710{7,160} SUS304 18{185} 18{185} 63{630} SUS304 56{560} 56{560} 63{630} Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 33 Lock Nut Dust Seal Trus Screw (Washer, Nut) Pointer Scale Plate Yoke Screw Stem Connector nameplate Bolt Diaphragm Retainer O-Ring Stopper Washer Diaphragm Plate Tapping Screw Fig. 4-19 Cut View of Actuator Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 34: Adjustment And Calibration

    If the stem connector can be rotated with your hand, this means that the valve plug is not seated on the seat. If this is the case, repeat the adjustment all over again. Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 35 If the stem connector can be rotated with your hand, this means that the valve plug is not seated on the seat. If this is the case, repeat the adjustment all over again. Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 36 Azbil Corporation Fig. 5-1   Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 37: Direct/Reverse Action Type Conversion And Spring Range Change Of Actuator

    38mm, 50mm, 75mm Seal washers 82521069-103 82521069-103 Rod packing 82521067-103 82521067-103 Rod unit 82521431-302 82521431-303 82521429-103 (38mm) Rain unit (-1) 82521429-102 82521429-104 (50mm) 82521429-105 (75mm) Rain cap 82553334-101 82553334-101 Flat washers (-2) 82592131-201 82592131-201 Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 38 Rod packing (-1) 82521067-103 82592131-103 Rod unit (-1) 82521431-302 82521431-303 82521429-103 (38mm) 82521429-102 82521429-104 (50mm) 82521429-105 (75mm) Rain cap (-1) 82553334-104 82553334-104 For the conversion procedure, refer to Section 4 “DISASSEMBLY AND ASSEMBLY” Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 39: Stroke And Range Spring Change

    R (Reverse action) 82521429-102 82521429-103 82521429-104 82521429-105 Rod unit D (Direct action) 82521431-302 82521431-303 82521431-303 82521431-303 *:The quantity of springs is 8 set, with 2 springs for each set, or total 16 springs. Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 40 Note: 1. Each set is comprised of two springs. 2. “0.2-1.0” and “0.8-2.4” are spring forces corresponding to air pressures in the unit of kPa{kgf/cm 3. The dimensions indicated are free lengths of springs. Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 41: Instructions For Top Handwheel Of Actuator

    15 Hex Nut 34 Scale 16 Spring Plate 35 Nameplate 17 Hex Nut 36 Drive Screw 18 Bushing 37 yoke 19 Dust Seal Fig. 7-1 Model PSA1 Actuator with Top Handwheel (Direct Action Type) Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 42 17 Rod Packing 37 Truss Screw 18 Bushing 38 Scale 19 Dust Seal 39 Nameplate 20 Stem Connector 40 Drive Screw 41 yoke Fig. 7-2 Model PSA1 Actuator with Top Handwheel (Reverse Action Type) Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 43 (1) Check that the handwheel turns smoothly for the fun stroke. (2) For the direct action type of actuator, check by means of soapsuds that there is no air leak from the connecting section of the top diaphragm case. Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 44 Azbil Corporation Fig. 7-3 Model PSA1 Direct Action Type Fig. 7-4 Model PSA1 Reverse Action Type Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 45: Model Ha2, Ha3, Or Ha4 Actuator

    Do not turn the handwheel with forces larger than the below-mentioned limits. Model HA2: 190N {19kgf} Model HA3: 260N {26 kgf} Model HA4: 410N {41 kgf} (at the outermost periphery of the handwheel) Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 46 38 Lock Nut Truss Screw, Spring Washer Nut, or Speed Nut 40 Scale 41 Nameplate 42 Drive screw 43 Washer 44 Tapping Screw Fig. 7-5 Model HA2/3 Actuator with Top Handwheel (Direct Action Type) Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 47 Seal Washer Packing For Rod Dust Seal Truss Screw, Spring Washer Nut, or Speed Nut Scale Nameplate Drive Screw Spring Washer O-Ring Fig. 7-6 Model HA2/3 Actuator with Top Handwheel (Reverse Action Type) Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 48 Washer Dust Seal Truss Screw, Speed Nut Scale Nameplate Drive Screw O-Ring Seal Washer Keybolt Setscrew Setscrew Spring Washer Diaphragm Retainer Fig. 7-7 Model HA4 Actuator with Top Handwheel (Direct Action Type) Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 49 Spring Plate Bolt Seal Washer Packing Dust Seal Truss Screw, Speed Nut Scale Lock Nut Nameplate Drive Screw Keybolt Spring Washer O-Ring Fig. 7-8 Model HA4 Actuator with Top Handwheel (Reverse Action Type) Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 50 (1) Check that the handwheel turns smoothly for the full stroke. (2) For the direct action type of actuator, check by means of soapsuds that there is no air leak from the connecting sections of the housing and top diaphragm case. Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 51 Azbil Corporation Fig. 7-9 Direct Action Type Fig. 7-10 Reverse Action Type Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 52: Instructions For Side Handwheel Of Actuator

    Do not turn the handwheel with forces larger than the below-mentioned limits. Model PSA1: 80N {8kgf} Model HA2: 190N {l9kgf} Model HA3: 290N {29kgf} Model HA4: 460N {46kgf} (at the outermost periphery of the handwheel) Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 53: Disassembly Of Side Assembly Of Side Handwheel

    (4) Loosen the bolt 8 of the bearing holder and then remove the feed shaft 7. To assemble the side handwheel, refer to Fig. 8-1 and follow the disassembly procedure in the reverse order. Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 54 Hex Bolt Bushing Spring Washer Handwheel Washer Hex Nut Handle Lock Washer Bushing Bearing Holder Bearing Bush Washer Hex Bolt Washer Hex Bolt Color Spring Washer Fig. 8-1 View of Side-Handwheel Spring Washer Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 55: Mechanical Stopper

    (6) Screw MAX. stopper 1 onto housing 5, and when MAX. stopper 1 seats against hexnut for MIN. stopper 3 or stopper shaft 4, lock MAX. stopper 1 with detent 2. Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 56: Adjustment Of Dual Min. Max. Stopper

    Direct acting model Fig. 9-1   Nomenclature Nomenclature MAX. stopper (adjust cover) MAX. stopper (adjust cover) Detent Detent Hex nut for MIN. stopper Hex nut for MIN. stopper Stopper shaft Stopper shaft Housing Housing Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 57: Troubleshooting

    This section covers the symptoms, causes and remedies of most probable types of troubles. Parts may be required to be replaced depending on the type of trouble. For further troubles, please order your Azbil Corporation agent for repair. Table 10-1 Troubleshooting...
  • Page 58 • Check whether the valve plug is actually the closed position or not. (Check the valve plug lift) • Check the plug seat ring for corrosion and erosion. • Check the guide sections for binding. Model: AMT, HDT - CV3000 Series Control Valves...

  • Page 59: Recommended Spare Parts

    * The bellows seal assembly has the seal bellows and valve stem (including the bellows seat) assembled together. Please mention the parts name and the product number indicated on the name plate when ordering those spare parts. Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 60 Azbil Corporation Model: AMT, HDT - CV3000 Series Control Valves...
  • Page 62 Warranty period and warranty scope 1.1 Warranty period Azbil Corporation’s products shall be warranted for one (1) year from the date of your purchase of the said products or the delivery of the said products to a place designated by you.
  • Page 63 Although acceleration of the above situation varies depending on the conditions or environment of use of the products, you are required not to use any Azbil Corporation’s products for a period exceeding ten (10) years unless otherwise stated in specifications or instruction manuals.
  • Page 65 Document Number: CM2-AMT100-2001 Document Name: Control Valves Model: AMT User’s Manual Date: 1st edition: Oct. 2001 3nd edition: Apr. 2023 Issued/Edited by: Azbil Corporation...

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