Azbil ACP Series User Manual
  1. Manuals
  2. Brands
  3. Azbil Manuals
  4. Control Unit
  5. ACP Series
  6. User manual
Azbil ACP Series User Manual

Azbil ACP Series User Manual

Control valves
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
CM2-ACP100-2001
Control Valves
Model ACP_ _ _/ACN_ _ _
User's Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ACP Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Azbil ACP Series

Summary of Contents for Azbil ACP Series

  • Page 1 CM2-ACP100-2001 Control Valves Model ACP_ _ _/ACN_ _ _ User's Manual...
  • Page 2 In no event shall Azbil Corporation be liable to anyone for any indirect, special or consequential damages. This information and specifications in this document are subject to change without notice.
  • Page 3 Safety 1. Nomenclature of parts For control valve terminologies and words in this guide, please read the following explanations before using the device. Diaphragm Actuator Yoke Flange Bonnet Valve body Fig. S-1. Nomenclature of globe valve Actuator Body Link Valve body (Vane or disk) Fig.
  • Page 4 2. Safety precautions Please read this guide before using the valve to ensure proper handling. WARNING Denotes a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION Failure to observe these precautions may produce dangerous conditions that could result in operator injury or in physical damage to the device.
  • Page 5 CAUTION on storage When storing the control valve, pay attention to the following precautions of caution: • A Control valve that has been packed in a cardboard box should be stored indoors at normal temperature and humidity. • A Control valve that has been packed in a wooden crate should be stored indoors at normal temperature and humidity as a rule.
  • Page 6 4. Installation 4-1. Installation environments CAUTION • Ensure sufficient space for easy Maintenance space and safe operation and maintenance of control valve. • Avoid installing valve in a location where vibration or external stress may impair proper valve functions. If necessary, make appropriate provisions against these.
  • Page 7 Prior to installation work, follow the items of caution as described below: CAUTION • Check and confirm that there is no external damage to the valve (body, actuator, accessories). • heck and confirm that there is no damage on pipe connecting flanges or butt welding connections, •...
  • Page 8 4-2. Installation work CAUTION • Ensure that centers of upstream and downstream pipes are aligned when pipe installation has been completed. Any mis-alignment of pipe will distort the valve and will cause leakage from the connections. (Gasket) • Make sure that the face to face dimension of pipe flanges is equal to face to face dimension of valve body plus gasket thickness.
  • Page 9 4-3. Pneumatic piping and electric work CAUTION • Pneumatic tubing should be sized so as not to cause dropping of air pressure when control valve is in operation, Pneumatic tubing should have an allowance in bend (use specialized tool) and bands should bind parallel tubing.
  • Page 10 5. Caution disassembly, reassembly 5-1. Disassembly Eye bolt Spring CAUTION • When disassembling a spring-incorporated positioner, follow the prescribed procedure in removing bolts and nuts. Otherwise, the spring may pop out, resulting in physical injury. • When the eye-bolts of actuator are used to lift valve from pipe, ensure that the weight limitation as described in manual is adhered to.
  • Page 11 6. Assembly Follow assembly procedure CAUTION • When assembling the spring loaded actuator, adhere to the order of assembly procedure; install bolts and nuts as instructed. Disregard of procedure may result in malfunction. • When installing a butterfly valve on a pipe line, fully close the valve (vane or disk).
  • Page 12 7. Maintenance and inspection Adhere to the following items of Warning and Caution while conducting maintenance or inspection. CAUTION When leakage from a valve is found, do not come close to the valve until safety is assured of. A serious accident or physical injury may occur depending on the type of fluid.

  • Page 13: Table Of Contents

    Table of Contents Chapter 1. General ............. . .1-1 1-1.
  • Page 14 10-2. Disassembly and assembly ............10-3 Chapter 11. Azbil Low Emission standard-compliant gland packing ... . . 11-1 11-1.

  • Page 15: Chapter 1. General

    Chapter 1. General 1-1. Scope This manual covers the instructions for: • Mode ACP ..Pressure-Balanced Cage-type Control Valves with piston ring • Model ACN ..Low noise cage type control valves with piston ring For the valve Positioners, refer to the following: Model HTP ............OM2-8310-0200 Model HEP28/29 ..........CM2-HEP280-2001 Model HEP18/19 ..........OM2-8313-0101...

  • Page 16: Structures

    1-3. Structures The structures of typical control valves are shown in Fig. 1-1. The valve body is connected to the bonnet with stud bolts and nuts. Two gaskets are provided at the connection section to seal the internal fluid or to let the valve body make up a pressure vessel.

  • Page 17: Nameplate

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

  • Page 19: Chapter 2. Installation

    Chapter 2. Installation 2-1. Maximum lift limits of eyebolts The diaphragm case has a pair of lifting eyebolts. These eyebolts primarily are for lifting the actuator alone. Before using the eyebolts for other purposes (such as lifting an actuator fixed to its valve body or other components), take note of the allowable maximum lifting loads of the eyebolts that are as shown in the following Table 2-1.

  • Page 20: Items To Be Checked After Installation And Before Starting Operation

    2-3. Items to be checked after installation and before starting operation (1) Check that there is no leak from air piping. (2) Check that the bolts and nuts of the diaphragm case are not loose. Standard tightening torques are listed below: (3) Tighten the packing flange nuts to prevent leak from the gland packing section.
  • Page 21 Packing Flange V PTFE Lubricator Packing PTFE Yarn Bonnet Packing Blind Graphite Plug Graphite Yarn Packing Stem Packing V PTFE Packing PTFE Yarn Packing Graphite + Graphite Yarn V PTFE + PTFE Yarn Packing Yarn packing Packing Fig. 2-1. Gland section (4) If the valve is provided with a lubricator as shown in Fig.
  • Page 22 Sqeeze screw RC1/4 Lubricator handwheel Fig. 2-2. Lubricator (Class 600 or under) Lubricating Procedure Step Procedure Prepare grease of the type indicated on the nameplate. Tightly close the lubricator handwheel. Remove the squeeze screw, apply grease, then reset the squeeze screw. Loosen the lubricator handwheel and drive the grease by turning the squeeze screw.

  • Page 23: Chapter 3. Inspection And Maintenance

    Chapter 3. Inspection and Maintenance Inspection and service the actuator as follows: Tightening the gland: Tighten the gland about once in every 6 months. The tightening procedure is as given in Chapter 2-3(3) on page 2-2. Lubricating the gland: Lubricate the gland about once every 6 months. The lubricating procedure is as given in Chapter 2-3(4) on page 2-2.

  • Page 25: Chapter 4. Disassembly And Assembly

    Chapter 4. Disassembly and Assembly This chapter covers the disassembly and assembly procedures of the actuator for its overhaul or modification. 4-1. Detaching actuator from valve body (1) Apply to the actuator an air pressure so that the valve position pointer is at a point of 10% - 20% above the fully closed point.

  • Page 26: Disassembly Procedure

    4-2-1. Disassembly and assembly of plain (-17 ≤ t < 230  °C) and extension 1 (-45 ≤ t < 17 °C) bonnet type valve body 4-2-1-1. Disassembly procedure Step Procedure Loosen the packing flange nut of the packing flange. Remove the hex nuts (1) of the bonnet (extension bonnet). Lift bonnet and remove.

  • Page 27: Assembly Procedure

    4-2-1-3. Assembly procedure Step Procedure Insert a spiral gasket into valve body. (Apply Never-seize* on all valves except degreased valve for oxygen application.) Insert cage (lower) into the valve body. Coat seal ring lightly with silicon grease, assemble on a slot on cage (upper) and insert plug into cage.
  • Page 28 Table 4-1. Tightening torque of bonnet stud bolts Bolt Torque (N·m {kgf-cm}) 60 {600} 100 {1,000} 150 {1,500} 200 {2,500} 250 {2,500} 350 {3,500} 500 {5,000} 660 {6,600}...
  • Page 29 Packing follower Stud bolt Gland packing Bonnet Hex nut Gasket (upper) Scraper ring Valve stem Valve plug Cage (upper) Gasket (lower) Seal ring Cage (lower) Stud bolt Spiral gasket Valve body Fig. 4-1. Model ACP/ACN control valves...

  • Page 30: Disassembly And Assembly Of Extension1 Bonnet Type (230 ≤ T < 400°C) Valve Body

    4-2-2. Disassembly and assembly of extension1 bonnet type (230 ≤ t < 400°C) valve body 4-2-2-1. Disassembly procedure Step Procedure Loosen the packing flange nut of the packing Flange. Remove the hex nuts of the bonnet (extension 1 bonnet), using wrench. (1) Packign flange nut (2) Packing flange (3) Packing follower...
  • Page 31 Step Procedure Lift the bonnet (5) and remove. Remove the gaskets (10)(12) which are attached to the upper and lower sides of the cage (upper) (11). If only the bonnet is extracted, remove cage (upper) from the body after removing the plug (8).

  • Page 32: Inspection

    4-2-2-2. Inspection Inspect the disassembled parts for damage. If any damages are found, replace the parts. (When ordering parts, mention also the Prod. No. of the valve which is indicated on the nameplate.) (1) Check and ensure that there is no scar on gland packing box. (2) Check and ensure that there is no scar on sliding portions of plug, cage (upper) cage (lower), seat face and stem.

  • Page 33: Assembly Procedure

    4-2-2-3. Assembly procedure Do not reuse the gasket once its removed. Always use a new one when reassembling. For a guideline on parts replacement, refer to “Chapter 14. Recommended spare parts”. Step Procedure Insert the cage (lower) into the valve body, using special tools, refer to Fig. 4-5. For tightening torques, see Table 4-1.
  • Page 34 Table 4-2. Tightening torque of cage (lower) Nominal size (inches) Torque N·m 1-3/4 255 to 314 382 to 461 2-3/4 510 to 617 637 to 764 784 to 980 784 to 980 1176 to 1470 1470 to 1862 4-10...

  • Page 35: Disassembly And Assembly Of Actuator

    4-3. Disassembly and assembly of actuator Normally the actuator requires no adjustment.However, it should be disassembled and assembled when installing it on a valve body, when modifying its specifications, or when replacing damaged parts. The disassembly and assembly procedure of the actuator for such purposes are covered in "Chapter 4-3-1.

  • Page 36: Disassembly And Assembly Of Model Ha2, Ha3 Or Ha4 Actuator

    When disassembling or assembling the actuator, keep it in a vertical position. For the tightening torques of bolts and nuts, see Table 4-2 and Table 4-3. For the names of parts, see Fig. 4-15. Notes on Disassembly (1) The nuts for the eyebolts are made of stainless steel. Discriminate these nuts from other nuts when assembling the diaphragm case.
  • Page 37 Step Procedure Remove the springs. Eye bolt Hex bolt Hex bolt bolt Diaphragm Diaphragm case (top) case (top) Actuator Actuator Diaphragm case (bottom) Diaphragm case (bottom) Hex nut Hex nut Pointer Pointer Lock Yoke Lock nut Stem Stem connector connector Fig.
  • Page 38 (b) Reverse action type (See Fig. 4-10 or Fig. 4-11) Step Procedure Disconnect the air piping and detach other external items from the actuator. Remove the stem connector, pointer and lock nut. Remove the clamping-bolts (except the pair of eyebolts) of the diaphragm case.

  • Page 39: Assembly Procedure

    4-3-1-2. Assembly procedure Before assembly, check the parts for scrapes, damage, deformation, peeling off of paint, or any other abnormalities. To assemble the actuator, proceed as follows: (a) Direct action type Step Procedure Fix the bottom diaphragm case and yoke with the bolts. (For models HA2D and HA3D, install the diaphragm case and spring plate together.) Install the springs on the spring plate.
  • Page 40 Step Procedure After the assembly is complete as above, check the following. 1. Applying an air pressure of 490 kPa {5 kgf/cm²} via the air piping connection port of the top diaphragm case, check the diaphragm periphery for air leak by using soapsuds. 2.
  • Page 41 Step Procedure Install the pointer, secure the lock nut, and install the stem connector. Install the rain cap on the air vent port. Connect the air pipe to the air piping connection port of the bottom diaphragm case. After the assembly is complete as above, check the following. 1.
  • Page 42 Direct action type Reverse action type Fig. 4-14. Bolts and nuts of actuator Table 4-3. Tightening torque bolts and nuts of actuator [Unit: N·m {kgf/cm}] Material For Model HA2 For Model HA3 For Model HA4 SK5 S45C 37 {370} 100 {1,050} 310 {3,170} S30C 42 {420}...
  • Page 43 i t c i t c Fig. 4-15. Cut view of actuator Parts name Material Parts name Material S45C, SUS301 Coil spring SWOSM-B Diaphragm case SAPH370 Hex bolt SUS304 (top) Diaphragm EPDM, Nylon 66 Hex nut SUS304 Eye bolt SUS304 Spring plate SPCC Hex nut...
  • Page 44 4-20...

  • Page 45: Chapter 5. Adjustment

    Chapter 5. Adjustment As a general rule, diaphragm type control valves require no adjustment. However, when coupling an actuator to a valve body after removing the actuator for overhaul or other purposes, adjustment of the travel (stroke) is necessary. For this adjustment, refer to Fig. 4-7, Fig.
  • Page 46 Actuator stem Set at maximum or minimum value of spring range (for direct or reverse action) by moving actuator stem in this direction. Valve stem Yoke Yoke clamping-nut Fig. 5-1.

  • Page 47: Direct / Reverse Action Change

    Chapter 6. Direct / Reverse Action type Conversion and Spring range Change of Actuator 6-1. Direct / Reverse action change As a general rule it is most recommendable to prepare separately the direct type and reverse type of actuators and not to convert actuators into different types. However, when it has become unavoidable to convert actuators into other types, conversions may be done by using the parts mentioned below (Table 6-1 on page 6-2 and Table 6-2 on page 6-3).
  • Page 48 Table 6-1. To convert the direct action type into the reverse action type Model HA2D -> Model HA2R Part name For stroke 14.3 mm, 25 mm For stroke 38 mm Seal washers 82521069-101 82521069-101 Rod packing 82521067-101 82521067-101 82521431-101 (14.3 mm) Rod unit 82521431-103 82521431-102 (25 mm)
  • Page 49 Table 6-2. To convert the reverse action type into the direct action type Model HA2D -> Model HA2R Part name For stroke 14.3 mm, 25 mm For stroke 38 mm Seal washers (-2) 82521069-101 82521069-101 Rod packing (-1) 82521067-101 82521067-101 82521427-101 (14.3 mm) Rod unit 82521427-103...

  • Page 50: Stroke And Range Spring Change

    6-2. Stroke and range spring change As a general rule it is most recommendable to prepare separate actuators for different strokes and spring ranges to avoid modifications. However, modifications can be done by using the parts mentioned below. Of models HA2 and HA3, there are two different diameters of bonnet connecting sections. For these models, note the following: Of model HA, modification for change between read stroke of 14.3 or 25 mm and that of 38mm cannot be done.
  • Page 51 Table 6-3. Parts required for respective stroke range Actuator Model HA2D -> Model HA2R Part name Stroke 25  14.3 mm Stroke 14.3  25 mm Scale plate 80225032-164 80225037-164 20-98 82521205-101 82521205-103 {0.2 -0.1} Spring 80-240 82521205-102 82521208-101 {0.8-2.4} R (reverse 82521431-101 82821431-102...
  • Page 52 Color codes and dimensions of the springs of model HA actuators The color codes and dimensions of the springs of model HA Actuators are as shown in the following table. The color codes may help you confirm springs when disassembling and assembling actuators for modification or other purpose.

  • Page 53: Chapter 7. Instructions For Top

    Chapter 7. Instructions for Top 7-1. Model HA2, HA3, or HA4 actuator Operating Instructions To manually operate the actuator, refer to Fig. 7-1 through Fig. 7-6 and proceed as follows: First, loosen the lock nut (which has a bar-shape handle and which locks the handwheel) and turn the handwheel in the direction indicated by the corresponding arrowhead mark.
  • Page 54 Direct action type Reverse action type Fig. 7-1. Model HA 2/3 actuator with top handwheel Fig. 7-2. Model HA2/3 actuator with top (Direct action type) handwheel(Reverse Action type) Parts name Parts name Parts name Parts name 15 Bearing 29 Diaphragm plate 43 Tapping screw Hex nut Washer...
  • Page 55 Direct action type Reverse action type Fig. 7-3. Model HA4 Actuator with top handwheel Fig. 7-4. Model HA4 actuator with top handwheel (Direct action type) (Reverse action type) Parts name Parts name Parts name Parts name Hex nut 15 Bushing 29 Diaphragm case (top) 42 Drive screw Washer 16 Rod...

  • Page 56: Disassembly And Assembly Of Top Handwheel

    7-1-1. Disassembly and assembly of top handwheel To disassemble or assemble the top hadnwheel, refer to Fig. 7-1 through Fig. 7-6 and proceed as described in this Chapter. For disassembly and assembly work, keep the actuator in the vertical attitude. (a) Direct action type Step Procedure...
  • Page 57 (c) Inspection after assembly Step Procedure Check that the handwheel turns smoothly within its full stroke. 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.

  • Page 59: Chapter 8. Instruction For Side Handwheel Of Actuator

    Chapter 8. Instruction for Side Handwheel of Actuator As you turn the handwheel clockwise, the actuator stem moves downward regardless of whether the actuator is of the direct action type or reverse action type. The handwheel bears the “SHUT” mark to indicate that the valve is closed as the handwheel is turned clockwise and the “OPEN”...

  • Page 60: Operating Instructions

    8-2. Operating instructions (1) To manually operate the actuator, remove the handwheel lock (the fork-shaped component) which locks the handwheel and turn the handwheel in the direction indicated by the corresponding arrowhead mark. (2) To return to the automatic operation, turn the handwheel so that the pointer of the operation nut is set AUTO position and then apply the handwheel lock.
  • Page 61 A–A B–B (HA4 only) Fig. 8-1. View of side-handwheel Parts name Parts name Parts name Parts name Housing Color Handle lock Washer Lever Hex bolt Hex nut Hex bolt Shaft Hex bolt Washer Washer Bushing Bushing Bushing Hex bolt Bearing Spring washer Bearing holder Color...

  • Page 63: Chapter 9. Instruction For Mechanical Flow Stopper Of Actuator

    Chapter 9. Instruction for Mechanical Flow Stopper of Actuator Refer to Fig. 9-1. This flow stopper can be used as minimum flow stopper and maximum flow stopper as necessary. 9-1. Adjustment for Minimum Flow Stopper (1) Loosen the whirl-stop to remove the adjust cover for maximum flow stopper from the housing.

  • Page 64: Adjustment For Minimum And Maximum Flow Stopper

    9-3. Adjustment for Minimum and Maximum Flow Stopper Adjust with the procedure of section 9-1 and 9-2 Note: When tightening or loosening the hex nuts for minimum flow stopper, please don’t apply the excessive torque to the shaft stopper. Direct action type Reverse action type Fig.

  • Page 65: Chapter 10. Instructions For Bellows Sealed Type Of Control Valves

    Chapter 10. Instructions for Bellows Sealed type of Control Valves The bellows sealed type of control valves differ from other control valves in that the former employ a bellows for a seal. This Chapter covers primarily the particular items related to bellows sealed type of control valves.

  • Page 66: Structures

    10-1. Structures The structures of Model ACP/ACN Control Valves are shown in Fig. 10-1. Stud bolt Packing follower Stud bolt Gland packing Bonnet Hex nut Extension Hex nut Gasket Gasket (upper) Hex nut Scraper ring Backup ring Seal ring Valve plug Stem Cage (upper) Bellows seat...

  • Page 67: Disassembly And Assembly

    10-2. Disassembly and assembly Step Procedure Detach the actuator from the valve as described in 4-1: Detaching actuator from valve body. Loosen the packing flange nut. Loosen the hex nut of the bonnet, using wrench. Raise the bonnet and remove the gasket. Note: When raising the bonnet, press the stem down so that it will not come up together with the bonnet.
  • Page 68 10-4...

  • Page 69: Chapter 11. Azbil Low Emission Standard-Compliant Gland Packing

    Fig. 11-1. Structural drawing of Azbil low emission gland packing 11-2. Structure The gland packing P4519 for use in Azbil low emission gland packing is woven PTFE yarn with carbon fiber core. This gland packing provides asbestos-free properties in addition to low sliding friction and adaptability to heat cycles, and is adaptable to a wide range of fluids.

  • Page 70: Installation Into The Gland

    11-3. Installation into the gland 11-3-1. Preparation for installation 1. Checking for the surface conditions of parts If there is any flaw or the like on the surface of a part, the total amount of gland leakage may exceed a specified value because of fluid leakage from the periphery. For this reason, check the surface conditions of the following parts: Table 11-1.

  • Page 71: Start Of Installation

    3. Preparation of lubricating grease and anti-seize compound Prepare proper amounts of lubricating grease and anti-seize compound indicated in the following table. (Equivalents also can be used.) Table 11-3. Lubricating grease and anti-seize compound Product name Area to be coated Silicone grease G40M made by Shin-Etsu Entire surface of the gland packing Chemical Co., Ltd.
  • Page 72 Step 2: Being careful not to damage the surface of the stem, install the spacer first. Step 3: Next, install one piece of the gland packing. Be sure to note how to open indicated in Fig.10-3. Insert it tightly with a pipe or the like. Finally, press it lightly. Insert the second and subsequent pieces, with the gap position shifted by 180 degrees.
  • Page 73 Step 7: Being careful not to damage the surface of the stem, install the packing flange. Step 8: After applying the anti-seize compound indicated in Table 11-3 [Never-Seez made by Bostik, Inc., in the U.S.] to the surface of the threads of the stud bolts and the bearing surface of the nuts, tighten them by hand.

  • Page 74: Retightening

    Step 2: Tighten each of the right and left gland nuts by half a turn alternately to the specified torque. Table 11-4 shows the tightening torque. If the tightening torque is less than the specified value, be aware that the amount of leakage may exceed the specified value because of insufficient tightening.

  • Page 75: Parts List

    11-4. Parts List Part name Actuator model Stem size Material Part No. Qty. Main packing P4519 80255384-111 Belleville spring SUS304 82571710-101 O-ring (small) Viton 82592220-897 O-ring (large) Viton 82592221-897 Stem connector SCS13A 82557767-101 Gland stud SUS304 82559311-012 PSA1 φ10 mm Gland nut SUS304 82592448-163...
  • Page 76 Part name Actuator model Stem size Material Part No. Qty. Main packing P4519 80255386-111 Belleville spring SUS304 82559308-102 O-ring (small) Viton 82592221-797 O-ring (large) Viton 82592222-897 Stem connector S20C/S25C 82521091-201 Gland stud SUS304 82559312-011 φ16 mm Gland nut SUS304 82592448-013 Spring case SUS304 82559310-101...

  • Page 77: Chapter 12. Certified Iso 15848-1 Compliant Low Emission Gland Packing

    Chapter 12. Certified ISO 15848-1 compliant low emission gland packing 12-1. Overview Certified ISO 15848-1 low emission gland packing employs a live-loaded packing system to maintain valve seal performance for a long period of time. The gland packing system has acquired third-party certification for compliance with ISO15848-1, which is the international standard for low-emission performance of valves.

  • Page 78: Structure

    12-2. Structure The main packing (No. P4519) is PTFE yarn with a carbon fiber core. It features low friction and can be used for various types of fluids. The main packing (No. P6617CL) is an expanded graphite packing. The part of it that slides is aligned with an expanded graphite sheet that was specially modified and lubricated.

  • Page 79: Assembling The Parts Of The Gland

    12-4. Assembling the parts of the gland 12-4-1. Preparation for assembly (1) Checking the surface condition of the parts Any flaw or the like on the surface of the parts may cause leakage from that area, resulting in a total amount of leakage from the gland that exceeds the specified value. Therefore, check the surface of the following parts.
  • Page 80 (2) New parts When assembling or reassembling, for the parts indicated in the table below, be sure to use new parts. Table 12-2. Parts requiring treatment Part name Checkpoints Possible problems Gland packing (main Fluid leaks from flawed areas can cause packing and adapter the total amount of leakage from the packing)

  • Page 81: Assembly

    12-4-2. Assembly (1) Applying lubricating grease Step 1 For Certified ISO 15848-1 low emission gland packing for PTFE yarn, apply a thin film of grease Krytox GPL207 indicated in Table 12-3 to the surface of all gland packings (main packing and adapter packing). For Certified ISO 15848-1 low emission gland packing for expanded graphite, greasing is not necessary.
  • Page 82 (2/3) Step Procedure [Certified ISO 15848-1 low emission gland packing for PTFE yarn] Insert one adapter packing ring, without opening the gap, all the way to the bottom with a pipe, etc., and push it lightly. Open the gap of the main packing rings as illustrated in Fig. 12-4 and insert one of them all the way to the bottom with a pipe, etc., and push it lightly.
  • Page 83 (3/3) Step Procedure Stack the Belleville spring washers as shown in Fig. 12-5, and insert them into the packing follower. 2 same-direction washers × 3 3 same-direction washers × 2 [For PTFE yarn] [For expanded graphite] Fig. 12-5. Place the packing flange onto the packing follower. Apply anti-seizing agent Never-Seez made by Bostik Inc.
  • Page 84 (2/2) Step Procedure By tightening the gland nuts to the torque indicated in Table 12-4 or Table 12-5, the top of the packing flange and packing follower will be at almost the same level, as illustrated in Fig. 12-6 below (the level may not be exactly the same due to the tolerance of the Belleville springs and friction on the gland studs or gland nuts).

  • Page 85: Parts List

    12-5. Parts List Table 12-6. Parts list For PTFE yarn Part name Actuator model Material Part No. Qty. Main packing P4519 80255384- 111 Adapter packing P6720 82573475- 101 Carbon ring P6210C2FS 82573484- 001 Belleville spring SUS304 82573462- 101 O-ring (small) Viton 82592220- 897 O-ring (large)
  • Page 86 Table 12-6. Parts list For PTFE yarn Part name Actuator model Material Part No. Qty. Main packing P4519 80255386- 111 Adapter packing P6720 82573475- 103 Carbon ring P6210C2FS 82573484- 003 Belleville spring SUS304 82573462- 103 O-ring (small) Viton 82592221- 797 O-ring (large) Viton 82592222- 897...
  • Page 87 Table 12-7. Parts list For expanded graphite Part name Actuator model Material Part No. Qty. Main packing P6617CL 82573489- 001 Adapter packing P6720 82573475- 101 Carbon ring P6210 82573488- 001 Belleville spring SUS304 82571711- 101 O-ring (small) Viton 82592220- 897 O-ring (large) Viton 82592221- 897...
  • Page 88 Table 12-7. Parts list For expanded graphite Part name Actuator model Material Part No. Qty. Main packing P6617CL 82573489- 003 Adapter packing P6720 82573475- 103 Carbon ring P6210 82573488- 003 Belleville spring SUS304 82559308- 102 O-ring (small) Viton 82592221- 797 O-ring (large) Viton 82592222- 897...

  • Page 89: Application To Existing Control Valves

    12-6. Application to existing control valves If Certified ISO 15848-1 low emission gland packing is used for an existing control valve, please note the following: „ If there are scratches on the inner surface of the stuffing box or the surface of the stem of the current valve, the specified seal performance of Certified ISO 15848-1 low emission gland packing may not be achieved.
  • Page 90 12-14...

  • Page 91: Chapter 13. Troubleshooting

    This Chapter covers problem, causes and remedial actions regarding most probable types of troubles. Parts may be required to be replaced depending on the type of. For further problem, please contact an Azbil Corporation agent for repair. Table 13-1. Troubleshooting...
  • Page 92 Table 13-1. Troubleshooting Problem Cause and Remedial Action Sluggish valve • Air leak from piping operation or • Air leak from actuator inoperative valve • Foreign matter entrapped in guide section of valve plug • Aged and hardened gland packing, causing increased hysteresis •...

  • Page 93: Chapter 14. Recommended Spare Parts

    Chapter 14. Recommended spare parts It is recommended to replace the following parts when servicing the control valve. Valve Body Be sure to replace the following parts with new ones whenever the valve body is disassembled: • Gland packing • Gaskets The frequency of replacement of seal ring or scraper ring differs drastically depending upon such conditions as type of flow fluid, fluid temperature or pressure.
  • Page 94 14-2...
  • Page 96 1. 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 97 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 99 Document Number: CM2-ACP100-2001 Dcument Name: Control Valves Model ACP_ _ _/ACN_ _ _ User's Manual Date: 1st Edition: Jun. 2015 7th Edition: Nov. 2018 Issued/Edited by: Advanced Automation Company Address: 1-12-2 Kawana, Fujisawa kanagawa 251-8522 Japan URL: https://www.azbil.com/global/...

This manual is also suitable for:

Acn series

Table of Contents