Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14
Contents
1. Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 7 ASAHI AV VALVES Specifications of limit switch Installation Operation and Maintenance Manual IP67 ECS29 Double acting 1Smm 5 Air to open 1 2 2 Air to shut Limit switch rating Rate voltage Resistive load Inductive load v A A AC125 10 6 AC250 10 6 DC125 0 8 0 2 DC250 0 4 0 1 Specification of pressure reducing valve with filter Actuation Nom Size Type sign connection diagram Element degree of filtration All type 15mm 50mm 1 2 os 2 ARU 2 02 8A B 5um JIS sign _ 1 glass I Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 8 ASAHI AV VALVES Installation Operation and Maintenance Manual Specification of speed controller Effective cross section area ee Actuation Nom Size mm inch Free flow Control flow Needle No of revolution 15mm 50mm 1 2 x 2 SC7 08A 11 0 017 8 3 0 013 Specifications of fully open adjustment mechanism As to the block diaphragm and adjusting method refer to pages 4 and 25 respectively Specifications of manual operating mechanism set only at air to open As to the block diaphragm an2. Should our product be deemed defective we shall assume the responsibility to repair or replace it free of charge Any repair or replacement needed after the warranty period ends shall be charged to the customer The warranty does not cover the following cases 1 Using our product under any condition not covered by our defined scope of warranty 2 Failure to observe our defined precautions or instructions regarding the construction installation handling maintenance or servicing of our product 3 Any inconvenience caused by any product other than ours 4 Remodeling or otherwise modifying our product by anyone other than us 5 Using any part of our product for anything other than the intended use of the product 6 Any abnormality that occurs due to a natural disaster accident or other incident not stemming from something inside our product ASAHI AV VALVES 2 General operating instructions Do not touch the actuator when it operated eS Using a positive pressure gas with our plastic piping may pose a dangerous condition due to the repellent force particular to compressible fluids even when the gas is under similar pressures used for liquids Therefore be sure to take the necessary safety precautions such as covering the piping with protective material For inquiries please contact us For conducting a leak test on newly installed piping be sure to check for leaks under water pressure If absolutely necessary to us
3. True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 15 ASAHI AV VALVES Installation Operation and Maintenance Manual lt 2 gt For a pressure reducing valve with a solenoid valve and a pressure reducing valve with a filter A S Do not remove a dust proof cap provided to piping port before piping work starts Caution Avoid excessive tightening The threaded area of a pipe can be damaged Do not apply a sealant excessively lest it fall off in the pipeline when an actuator is piped Steel pipes must always be of the plated Before installing an actuator in pipeline flash the inside of pipeline completely Threaded area of a pipe must be free from the sharp edges and burr Solenoid valve A speed controller adjusts and fasten a lock nut by open ended spanners Open the drain periodically in order to exhaust the deposit The equipment must be used at a pressure below the maximum operating pressure specified for the 1 product arias Necessary items aeee eni meemiin eiee Spanner wrench Sealing tape Steel pipe or tube for piping Joint for steel pipe or tube 1 Wind a seal tape onto the male screw of the joint with a blank about 3mm about 2 threads left at the end T 2 Screw the joint in the piping female screw of the 2 N E actuator by hand fully O j 3 Screw the
4. Push button Current Doe 2 action Airtoopen Airtoclose Pushed On Open Shut Not pushed Off Shut ot Installation Operation and Maintenance Manual a E E a ca ee a cpa es ae ac a Sc cs a et ee ee ee ree a a Aouad naeecensanaedees sansaeeeageadeesounenuedbonsend ouaeaventovadsdenseduessenscvedsventsasageesisdesersensoeanasend Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 19 ASAHI AV VALVES Installation Operation and Maintenance Manual 15 Adjustment of opening closing speed procedure O Double action type ri IN CESSAIY IETS oo fn n ricir icine ieenec ig erica tec merigenspecic ic iniecit eicecien ecje edinec seria Spanner wrench 1 Turn right the adjustment knob of the solenoid valve For Double action type with solenoid valve fully r XAvoid excessive tightening The speed controller can be damaged Close side S 2 Supply the air to the solenoid valve Open side speed aom a 3 Apply regular rated voltage to solenoid valve and tum Sneed UR GS Speed down Na left the open side adjustment knob little by little Sedu G Ah LA 4 Tum off the solenoid valve and turn left the close side eee J adjustment knob little by little AE y 5 Repeat item 3 4 to adjust the opening closing speed OZ 9 h p required 6 When the adjustment is finished fix the adjustment knob with locking nuts gt Avoid excessive tig
5. loosen nut 21 4 Remove stopper 43 and nut 21 5 Fully close valve by controlling the volume of air 6 Attach stopper 43 by hand and tightens until not turning round the stopper 43 with the hand 7 Turn stopper 43 with spanner wrench until the position in which fluid begins to leak 8 Turn stopper 43 with spanner wrench 1 4 1 2 turns counterclockwise 9 Fix stopper 43 with spanner wrench and use spanner wrench to tighten nut 21 Insufficient tightening may loosen the stopper 10 Completely close valve by controlling the volume of air and check for leakage If there is leakage repeat steps 2 to 8 until leakage stops 11 Install gauge cover 11 Valve option equipped with limit switch or positioner can adjust by same method Turn off the power source of positioner lt For Limit Switch Limit Switch is optional gt pate Necessary items i i ae Sa a a i ec a ye a ee tt a a a E O EE ale a a ng E E EASE 8 E a a E Spanner wrench i Procedure 1 Fully open valve by controlling the volume of air 2 Fix nut B 67 lower part with spanner wrench and use spanner wrench to loosen nut B 67 upper part 3 Remove nut B 67 limit switch pushing plate 64 spring washer from rod for travel stop 54 4 Loosen nut A 66 while putting stopper B 43 in stationary pael position by a spanner wrench 5 Remove stopper 43 from rod for travel stop 54 6 Fully close valve by contro
6. open or close The diaphragm or the joint metal fitting is broken 22 Handling of residual and waste materials Warning Replace broken parts Refer to pages 25 and 26 Make sure to consult a waste treatment dealer for recommendations on the proper disposal of plastic valves Poisonous gas is generated when the valve is bumed improperly Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 28 ASAHI AV VALVES Installation Operation and Maintenance Manual Diaphragm Valve Type 14 Pneumatic Actuated Type AN Automatic Valve ASAHI AV VALVES SNIA Distributor Asahi Organic Chemicals Industry s homepage http www asahi yukizai co jp en e a E oo Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN
7. portion of the actuator 6 Fully close valve by controlling the volume of air When it is impossible to supply air to the valve due to power failure omit step 6 7 Install thrust ring 53 8 Install manual shaft 52 at the same position as the indicative rod 41 9 When manual shaft 52 is turned with spanner wrench clockwise the valve will open and counterclockwise the valve will shut 10 Replace manual shaft 52 and thrust ring 53 with stopper 43 and nut 21 using the reverse procedure insteps 3 to 8 11 Adjust stopper refer to page 23 12 Install gauge cover 11 Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 24 ASAHI AV VALVES Installation Operation and Maintenance Manual 18 Disassembling method for replacing parts A S Never attempt to disassemble an actuator Warning If disassembled forcible internal parts may jump out and this is very dangerous Do not touch the actuator when it operated A a Be sure to conduct a safety check on all hand and power tools to be used before beginning work Caution Wear protective gloves and safety goggles as fluid remain in the valve even if the pipeline is empty You may be injured Do not change or replace valve parts under line pressure cand Necessary items Sess See ee eeee eee Rie e ere eet ee ee re a re See ete ere Si Pere eis Spanner wrench Protective gloves i Safety goggles Disassemble Pro
8. terminal on the lead wire with a terminal crimping tool MEA 6 Connect terminal screw with a Phillips head screwdriver according to the intemal circuit diagram shown in page 8 Tighten the screws ee ee If not electric leaks or shocks may occur g Ei 7 Tighten the above three screws with a Phillips a x J head screwdriver to install cover on the limit DME SAA switch uy 8 Tighten the cable by connector Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 17 ASAHI AV VALVES Installation Operation and Maintenance Manual 13 Connection of solenoid valve procedure A S Go after you surely interrupt a power supply when you do the installation of the terminal base line i Caution is combined Be sure that the terminal cover and body cover are put on during the operation i EPER Necessary items PA R A A Jeeta ete R A A A AR A A R AA A A A A A A AA i Terminal crimping tool Screw driver Connector G1 2 Wire stripper Procedure 1 Loosen the hexagon socket head cap screws and remove the cover Don t loose O ring Short circuit or shocks may occur 2 Remove the Fasten terminal inserted into coil side and 2 Coren salle pO the insulating sleeve 7 o i Insulating sleeve isn t attached in Faston terminal i a 3 Draw the cable through the connector to the cover prantennninsnanintininiiininninanininiiiiinninntnaniniiniinsiniinninannnentti
9. 4 ASAHI AV VALVES Installation Operation and Maintenance Manual 5 Working pressure vs temperature FLANGE do FLANGE air t FLANGE air to 4 l F gt C AC j Temperature CF Temperature 4 Z 1 FLANGE air to open SOmr TRE TRUE UNION aie ter pen SOMA PTFE ene 150 a 70 ata az 0 2 A FLANGE air to open 50mm rubber 5 BL el a L40 5 30 G 05 140 175 210 250 Facies Ra650 Fey hag Temperature CF Temperature CF A 20 2 40 5 40 2 C C AC 60 8C A K D 40 5 3 05 14 Diaphragm Va
10. 6 on each valve until hand tight 10 Using a strap wrench tighten union nuts uniformly on each side approx 90 180 turns 1 4 to 1 2 turns Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 12 ASAHI AV VALVES Installation Operation and Maintenance Manual Socket type Material PP PVDF Spigot type Material PP PVDF Strap wrench Sleeve welder or automatic welding machine ee ie eee 1 Loosen the union nut with a strap wrench 2 Remove the union nut 26 and the end connector 3 Lead the union nut 26 through the pipe 4 For the next step refer to the user s manual for the sleeve welder or the automatic welding machine 5 After welding make sure that the O ring C 27 t is mounted 6 Set the end connector 25b 25e Jand the union nut 26 directly without allowing the O ring C 27 to come off 7 Tighten union nut 26 on each valve until hand tight 8 Using a strap wrench tighten the union nut an additional 90 180 carefully without damaging it Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 13 ASAHI AV VALVES 10 Support setting procedure Caution AQ Set valve support on the valve Installation Operation and Maintenance Manual When installing a pipe support by means of a U band or something similar take care not to fasten it too much Excessive tension may damage it r Necessary ite
11. ASAHI AV VALVES Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN User s Manual a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Installation Operation and Maintenance Manual Serial No H A007 E 12 Contents Be sure to read the following warranty clauses of our product E E E E EE 1 General operating instructions rei 2 General instructions for transportation unpacking and storages ree 3 Name of parts PEIE T TA PEPEN IA LEE ET T bin kigass sail I E ENE AE E E ATY 4 Working pressure VS temperature PERIERE coder cused sunndaneteuted seeded tess cuteness 5 Comparison between operating pressure and working pressure and opening degrees 6 Specifications of ACCU AON vest settee et tee teceeseeeseeesneeeneeenenss 6 Specification of options PEIER EN AEAEE E EA EE EET E E 7 Specifications of solenoid valve Specifications of limit switch Specifications of pressure reducing valve with filter eeeeeeeeeeeeeeeee 8 Specifications of speed controller APEE KEAS PASEA AEE EENAA EE i i EEA ASE 9 Specifications of fully open adjustment mechanism ERETNA EET EET 9 Specifications of manual operating mechanism ONIA ENAREN A 9 Installation procedure P E E E E EENT E vues E E 10 Support setting procedure vee 14 Air piping procedure sree 15 Connection of limit switch procedure PETINE E EEEO
12. Caution Avoid excessive tightening The threaded area of a pipe can be damaged Check the connection locations air pipe sizes and screw types with the approved drawings and other documents for the product Then lay the air piping The operating fluid must be clean air filtered through a pertinent air filter If the actuator is used in an environment below 5 C temperature its operating fluid must be free from the water and moisture contained in it because of possible problems due to the freeze i Steel pipes must always be of the plated Before installing an actuator in pipeline flash the inside of pipeline completely Do not apply a sealant excessively lest it fall off in the pipeline when an actuator is piped Threaded area of a pipe must be free from the sharp edges and burr 4 tates Necessary items SF ge a eng ann cee enero ea meer ee Spanner wrench Sealing tape Steel pipe or tube for piping Joint for steel pipe or tube 1 Wind a seal tape onto the male screw of the joint ible acti with a blank about 3mm about 2 threads left at the end Se 2 Screw the joint in the piping female screw of the e A actuator by hand fully 9O C 3 Screw the joint one turn with a spanner wrench Avoid excessive tightening The valve can be damaged Air to oper 4 Mounta steel pipe or a tube ra i ur suppl oper s 5 i 7 2 O ir hu ur suppl shut Diaphragm Valve Type 14
13. aie ieee Spanner wrench Allen wrench Driver Flathead screw Protective Gloves Goggles Procedure 1 Remove gauge cover 11 with a flat head screw Do not damage O ring A 14 2 Fully close valve by controlling the volume of air 3 Fix bolt 56 with an allen wrench and use spanner wrench to loosen the nut 56 4 Screw bolt 56 into requires position 5 Fix bolt 56 with an allen wrench and use a spanner wrench to tighten the nut 56 The bolt and nut may loosen if insufficiently tightened 6 Open valve by controlling the volume of air and check valve for openness If desired degree is not reached repeat steps 2 to 5 7 Install gauge cover 11 lt Manual operating method for Manual operating mechanism is optional only for inverse operations gt r fete im Necessary items HL ecegotenetoyote She cauetcteceteho deen sic doce ate Mepeis tes ate de SeceetcWenndot a E a Seen rete oer ea E hehe Seater Sac Spanner wrench Allen wrench Driver Flat head screw Procedure 1 Remove gauge cover 11 with a flat head screw Do not damage O ring A 14 2 Fully open valve by controlling the volume of air When it is impossible to control the volume of air due to power failure omit step 2 3 Fix stopper 43 with spanner wrench and use spanner wrench to loosen nut 21 4 Remove stopper 43 and nut 21 5 Loosen indicative rod 41 completely with an allen wrench to remove indicative rod 41 from the upper
14. cedure 1 Completely discharge fluid from line 2 Close main valve for air and open bypass valve to discharge air from the actuator Sar 3 Remove air line E A IN 4 Loosen bolt 40 between the body and the actuator j 5 Remove actuator 28 or 29 6 Remove diaphragm 3 by turning it 90 degrees 7 Remove compressor 6 8 Remove joint 7 Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 25 ASAHI AV VALVES Installation Operation and Maintenance Manual Assembly Procedure Assembly by using reverse procedures on steps 8 to 1 As to the body tightening torque refer to Table 1 Table 1 Body tightening torque value Unit N m kgf cm Ib inch 15mm 20mm 25mm 32mm 40mm Diabhraem material 1 2 3 4 1 1 1 2 1 1 2 2 3 0 5 0 12 0 15 0 Rubber 31 51 122 153 27 44 106 133 5 0 8 0 15 0 20 0 PTFE 51 82 153 204 44 71 133 177 A S Do not touch the actuator when it operated i Warning A g Be sure to conduct a safety check on all hand and power tools to be used before beginning work Caution Wear protective gloves and safety goggles as fluid remain in the valve even if the pipeline is empty You may be injured Pac Necessary items etsiten ienier eiei airea apean a ee e a ee eiee aleae re iea i Spanner wrench Driver flat head screw Protective gloves i Allen w
15. ctor 25c Tighten the external thread of the joint and the end connector 25c hardly with hand Using a spanner wrench screw in the end connector 25c by turning 180 360 carefully without damaging it Make sure that the O ring C 27 is mounted Set the end connector 25C and union nut 26 directly on the body without allowing the O ring C 27 to come off Tighten union nut 26 on each valve until hand tight Using a strap wrench tighten union nuts uniformly on each side approx 90 180 turns 1 4 to 1 2 turns 5 6 7 8 9 Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 11 ASAHI AV VALVES Socket type Material PVC C PVC Warning AS Caution Installation Operation and Maintenance Manual If an adhesive gets into contact with your skin wash it off immediately receive a physician s diagnosis and take appropriate measures promptly Take care in doing work at low temperatures A S When using an adhesive ventilate the space sufficiently prohibit the use of a fire in the vicinity and do not inhale adhesive vapors directly If you feel sick or find anomaly Solvent vapors are hard to evaporate and are likely to remain Solvent cracks may occur damaging the equipment After assembling the piping system open both ends of the piping and use a fan of the Low Voltage Type or something similar to ventilate the space thus removi
16. d operating method refer to pages 4 and 23 respectively Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 9 ASAHI AV VALVES Installation Operation and Maintenance Manual 9 Installation procedure Hanged type Material PVC C PVC PP PVDF A S When suspending and supporting a valve take care and do not stand under a suspended valve Warning Be sure to conduct a safety check on all hand and power tools to be used before beginning work Wear protective gloves and safety goggles as fluid remain in the valve even if the pipeline is empty You may be injured A S When installing a pipe support by means of a U band or something similar take care not to Caution over tighten Excessive force may damage the pipe When installing pipes and valves ensure that they are not subjected to tension compression bending Before a water test be sure that the flange is tightly fastened Fasten the flange while avoiding the parallelism and axial misalignment of the flange surface When connecting a ASAHI AV Valve to metal piping take care not to let the pipe stress on the ASAHI AV Valve Use flat faced flanges for connection to AV Valves Ensure that the mating flanges are of the same standards Be sure to use sealing gaskets AV Gasket bolts nuts and washers and tighten them to specified torques When a non AV gasket is used a different tightening torque instruction s
17. e a gas in testing please consult your nearest service station beforehand A S Do not step on or apply excessive weight on valve It can be damaged Caution Do not use AV valves in a place where they may become submerged in water Do not use the valve in conditions where the fluid may have crystallized The valve will not operate properly Keep the valve away from excessive heat or fire It can be damaged or destroyed Always operate the valve within the pressure vs temperature range The valve can be damaged or deformed by operating beyond the allowable range Allow sufficient space for maintenance and inspection Select a valve material that is compatible with the media For chemical resistance information refer to CHEMICAL RESISTANCE ON ASAHI AV VALVE Some chemicals may damage incompatible valve materials Keep the valve out of direct sunlight water and dust Use cover to shield the valve The valve will not operate properly Perform periodic maintenance Leakage may develop due to temperature changes or periods of prolonged storage rest or operation The travel stop may have to be adjusted if media leakage is detected between the upstream amp downstream sides of the valve Bonnet bolt torque should be checked before installation as they may become loose after long term storage A periodic check of the valve condition as well as bonnet amp flange bolt torque should be made part of preventati
18. e damage to the valve Store products in their corrugated cardboard boxes Avoid exposing products to direct sunlight and store them indoors at room temperature Also avoid storing products in areas with excessive temperatures Corrugated cardboard packages become weaker as they become wet with water or other liquid Take care in storage and handling After unpacking the products check that they are defect free and meet the specifications Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 3 ASAHI AV VALVES Installation Operation and Maintenance Manual 4 Name of parts lt optior Aanual override 52 I 24 No DESCRIPTION No DESCRIPTION No DESCRIPTION 1 Body 24 Ensat insert metal 40 Bolt B 3 Diaphragm 25b End connector Socket end type 41 Indicative rod 3a Inserted metal of diaphragm 25c End connector Threaded end type 43 Stopper 4 Cushion 25e End connector Spigot end type 52 Manual shaft 5 Cushion cover 26 Union nut 53 Thrust ring 6 Compressor 27 O ring C 54 Rod for travel stop 7 Joint 28 Actuator double acting 55 Fitting for travel stop 1 Gauge cover 29 Actuator air to shut 56 Bolt amp nut 14 O ring A 30 Actuator air to open 21 Screw 33 Compressor pushing plate Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN
19. en operating the valve this symbol indicates mandatory actions that must be adhered to 1 Be sure to read the following description of our product warranty Always observe the specifications of and the precautions and instructions on using our product We always strive to improve product quality and reliability but cannot guarantee perfection Therefore should Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN you intend to use this product with any equipment or machinery that may pose the risk of serious or even fatal injury or property damage ensure an appropriate safety design or take other measures with sufficient consideration given to possible problems We shall assume no responsibility for any inconvenience stemming from any action on your part without our written consent in the form of specifications or other documented approval The related technical documents operation manuals and other documentation prescribe precautions on selecting constructing installing operating maintaining and servicing our products For details consult with our nearest distributor or agent Our product warranty extends for one and a half years after the product is shipped from our factory or one year after the product is installed whichever comes first Any product abnormality that occurs during the warranty period or which is reported to us will be investigated immediately to identify its cause
20. hould be followed I 1 I 1 1 1 1 1 1 1 1 1 I 1 1 1 I 1 I 1 1 1 1 1 1 1 1 1 1 1 1 1 I 1 I 1 1 1 1 1 1 1 1 1 1 i 1 pact or other excessive stress l 1 i 1 1 1 1 1 I 1 1 1 I 1 I 1 1 1 1 1 1 1 1 1 I 1 1 1 I 1 I 1 1 1 1 1 1 1 1 1 1 1 1 1 I 1 i paims x Necessary items kidini e Eee ee ere ee a e a a ee beer E ee Heres Sree eee ee eee Torque wrench Spanner wrench AV gasket Bolt Nut Washer For many flanges specification Procedure 1 Set the AV gasket between the flanges 2 Insert washers and bolts from the pipe side insert washers and nuts from the valve side then temporarily tighten by hand A The parallelism and axial misalignment of the flange surface should be under the values shown in Caution the following table to prevent damage the valve A failure to observe them can cause destruction due to stress application to the pipe Unit mm inch Axial misalignment Parallelism Axial Parallelism Misalignment a b a 1 00 04 0 5 0 02 1 2 1 1 4 pa i a ae 1 00 04 0 8 0 03 b Nom Size 3 Tighten the bolts and nuts gradually with a torque wrench to the specified torque level in a diagonal manner Refer to Fig 1 Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 10 ASAHI AV VALVES Installation Operation and Maintenance Manual A S Tighten the bolts and nuts graduall
21. htening For Double action with s controller Teba meitenem A Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 20 ASAHI AV VALVES O Single action type Necessary items Spanner wrench Installation Operation and Maintenance Manual The actuation type changes the speed adjustable direction Single action Opening speed Closing speed Air to open type Not adjustable Adjustable Air to close type Adjustable Not adjustable Procedure D 2 3 N AA 4 5 wm 6 Turn right the adjustment knob of the solenoid valve fully Avoid excessive tightening The speed controller can be damaged Supply the air to the solenoid valve Apply regular rated voltage to solenoid valve and turn left the open side adjustment knob little by little Turn off the solenoid valve and turn left the close side adjustment knob little by little Repeat item 3 4 to adjust the opening closing speed required When the adjustment is finished fix the adjustment knob with locking nuts Avoid excessive tightening The locking nut can be damaged For Air to open type with solenoid valve Not used Adjustment knob Locking nut Ke Not used Open side Soeed down Speed up _ Kind mat Adjustment knob P J 4 Locking nut f A controller Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneu
22. joint one tum with a spanner wrench ee E E mre R Tee oe Avoid excessive tightening The valve can be damaged aE cee ee eee ee ane 4 Mounta steel pipe or a tube Ai supply Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 16 ASAHI AV VALVES Installation Operation and Maintenance Manual 12 Connection of limit switch procedure A S Shut down the power on the equipment before connecting wires There are risks of electrical shock Warning depending on the level of operating voltage Be sure that the terminal cover and body cover are put on during the operation Caution If you use the limit switch at 1mA 100mA or 5 30V consult near Asahi dealer aS gga easy ae an EE NE ca isang menage Pa Ng gr a E ws yyw mm ma ame E E ae ag ce ge ge dy a ae gas cece ee 4 PERAG Necessary items Crimp style terminal Phillips head screw driver connector G1 2 Terminal crimping tool Wire stripper 1 Loosen the three screws used to attach the limit switch cover with a Phillips head screwdriver and remove cover from the limit switch The screw is made so that it will not detach from the cover 2 Pull and remove protective cap made of resin from the cover 3 Draw acable through the connector 4 Strip cable with a wire stripper l P 5 Install a crimp style
23. lling the volume of air eer eee 7 Attach stopper 43 by hand and tightens until not turning round the stopper 43 with the hand 8 Turn stopper 43 with spanner wrench until the position in which fluid begins to leak 9 Turn stopper 43 with spanner wrench 1 4 1 2 turns counterclockwise 10 Fix stopper 43 with spanner wrench and use spanner wrench to tighten nut A 66 Insufficient tightening may loosen the stopper Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 23 ASAHI AV VALVES Installation Operation and Maintenance Manual 11 Completely close valve by controlling the volume of air and check for leakage If there is leakage repeat steps 4 9 and 10 until leakage stops 12 Install nut B 67 lower part limit switch pushing plate 64 spring washer nut B 67 upper part according with rod for travel stop 54 by hand 13 Adjust limit switch pushing plate 64 to the orientation of its vertical position 14 Tighten the both part of nut B 67 top and down by spanner wrenches 15 By supplying air to valve repeat the open close operation confirm if the limit switch is working properly Tf the limit switch is not working properly then go back to step 13 and repeat the adjusting procedure lt Fully open adjustment method fully open adjustment mechanism is optional gt ae Necessary items BSE ae rah SN Rar See Sle ape en en piece Ee Cee aaai Sg ee Se aise ears char
24. lve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 5 Installation Operation and Maintenance Manual ASAHI AV VALVES 6 Comparison between operating pressure and working pressure and opening p 7 Specifications of actuator 0 4 0 6 4 1 6 1 57 85 Double acting Air to open Air to shut Double acting Air to shut Double acting Air to shut Air to open Operating pressure MPa kgf cm PSI Air consumption NIper inch 1 opening of closing 0 4MPa Air supply orifice Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN ASAHI AV VALVES Installation Operation and Maintenance Manual 8 Specifications of options Specifications of Solenoid valve Actuation Nom Size Model No Effective cross section area mm inch Power consumption Additional function 15 1 2 50mm 2 4N3S102K WU G31193 10 0 016 or more Bypass valve built in Silencer with needle Valve attached to be used as speed controller 4N3S102K WL1 G31193 Specification sign AC100V 50 60Hz 1 AC110V 50 60Hz 2 _ is special order AC200V 50 60Hz 3 AC220V 50 60Hz 4 DC24V 5 DC48V 6 DC100V 7 DC125V 9 connection diagram JIS sign
25. matic Actuated Type AN 21 ASAHI AV VALVES Installation Operation and Maintenance Manual 16 Mounting insert metal and base panel Insert Ensat by the Maker Refer to the user s manual for the Ensat Insert metal Bottom stand dimension Unit mm inch Nom Size S1 S2 S3 15mm 32mm 25 7 13 1 2 1 1 4 0 98 0 28 0 51 40mm 50mm 45 9 15 ad 1 2 2 1 8 0 35 0 59 Panel mount procedure 4 ttor tand A A inel neal Washer Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN Body ttol ind lf inel Q REAS i CED EK A 22 When screwing in a Metal Insert Ensat install it vertically Refer to the User s Manual for Metal ASAHI AV VALVES Installation Operation and Maintenance Manual 17 Adjustment procedure for stopper A S Do not touch the actuator when it operated Warning A G If a stopper is loose adjust it Tighten the stoppers securely Too weak a torque on a stopper may cause it to loosen as 2 a AG Ap a a A A PD NOR OC TN Ss Ale OR ROE l CENENA Necessary items i a a a a rN E E i a i l Spanner wrench Driver Flat head screw Protective Gloves Goggles Procedure 1 Remove gauge cover 11 with a flat head screw Do not damage O ring A 14 2 Fully open the valve by controlling the pressure of air 3 Fix stopper 43 with spanner wrench and use spanner wrench to
26. ms lint oc eee a A E E e ee a a EGE See Se ee Se E en E E E E re ee re eee eee Spanner wrench Level plumber Using metal insert Ensert amp U type clamp Fix the installation jig under the valve and stand with bolts Refer to page 22 Spread the rubber sheet on the pipe and secure pipe with U type clamp O Using U type clamp Only Flanged type Spread the rubber sheet on the pipe and secure pipe with U type clamp Perpendicular plumber Fix the installation jig under the valve and stand with bolts Refer to page 22 Spread the rubber sheet on the pipe and secure pipe with U type clamp Ty bat Img p l Lf E m O mi H j JY rubber sheet 4 stand bol rubber st Typ ind clams Ea m 1 nee ae a star d rubber sheet _ TTX TT l E El RO TTT m eA T tand bolt Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 14 ASAHI AV VALVES Installation Operation and Maintenance Manual 11 Air piping procedure lt 1 gt Fora standard type and an attached speed controller type A S Do not remove a dust proof cap provided to piping port before piping work starts 1
27. ng the solvent vapors Use the appropriate Asahi AV cement Conduct a water test at least 24 hours after joining the pipes with an adhesive Do not install a socket type valve where the atmospheric temperature is 5 C 23 F or lower The valve joint can fail r En Necessary items pEr ee E AEE E EEEE EE ATE EEEE EEE EE E AAEE E EA S EE E EA E ate oi eee E E E E R EE E 3 Adhesive for hard vinyl chloride pipes i D 2 3 4 5 Loosen the union nut 26 with a strap wrench Strap wrench Remove the union nut 26 and end connector 25b Lead the union nut through the pipe Make sure the hub part of the end connector 25b is clean with waste cloth Apply adhesive evenly to the hub part of the end connector 25b and the pipe spigot A S Do not apply more adhesive than necessary The valve can be damaged due to solvent cracking eA pate e E E aa ne See ee a eee E Adhesive Quantity guideline Nom Size 15mm 20mm 25mm 32mm 40mm 50mm 1 2 GA da d 1 4 G12 2 Quantity g 1 0 1 3 2 0 2 4 3 5 4 8 6 After applying adhesive insert the pipe quickly to the end connector 25b and leave it alone for at least 60 seconds 7 8 9 Wipe away overflowing adhesive Make sure that O ring C 27 is mounted Set the end connector 25b and union nut 26 directly on the body without allowing the O ring C 27 to come off 10 Tighten union nut 2
28. ration O Periodically inspect and maintain the AV valve in accordance with the plant schedule Portion to be inspected Inspection item 1 Existence of rust peeling of paint and dirt of inspection hole of valve travel indicator 2 Tightening condition of respective threaded portions Loose or not 3 Existence of rust and corrosion around the limit switch and existence of internal Actuator disconnection 4 Existence of abnormality in opening and closing operating sounds 5 Smooth operation of manual handle Itis unnecessary to supply oil to this actuator 1 Existence of scratches cracks deformation and discoloring 2 Existence of leakage from the valve to the outside 3 Existence of leakage when the valve is opened fully at right or left 4 Tightening condition of bolt B loose or not 21 Troubleshooting Problem Cause Treatment The power source of the control panel is Tumed off Turn on the power source Check the connection again The solenoid valve is disconnected Refer to page 7 18 Air is not supplied to the solenoid valve Supply air to solenoid valve The supply voltage to the solenoid valve is wrong Check voltage with a tester and set The valve does not operate by specified voltage air operations The voltage to the solenoid valve is low Close bypass valve by turning the The bypass valve opens bypass valve knob in a clockwise direction Turn
29. rench Safety goggles Procedure 1 Remove gauge cover 11 with a flat head screw Do not damage O ring A 14 2 Fully open valve by controlling the volume of air 3 Fix stopper 43 with spanner wrench and use spanner wrench to loosen nut 21 4 Remove stopper 43 and nut 21 5 Loosen indicative rod 41 completely with an allen wrench to remove indicative rod 41 from the upper portion of the actuator 6 Install rod 54 with an allen wrench at the same position as the indicative rod 41 Rod for travel stop may loosen if insufficiently tightened 54 7 Install fitting 55 on the upper portion of the actuator and tightens by spanner wrench Fitting for travel stop 55 may loosen if insufficiently installed 8 Put bolt 56 in the open adjustment fitting 55 9 Adjust bolt 56 by hand into requires position 10 Put nut 56 in bolt 56 11 Fix bolt 56 with an allen wrench and use spanner wrench to tighten up the nut 56 12 Open valve by controlling the volume of air and check valve for openness Tf desired degree is not reached repeat steps 9 to 11 13 Install gauge cover 11 Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 26 ASAHI AV VALVES Installation Operation and Maintenance Manual 20 Inspection items Ay Perform periodic maintenance Leakage may develop due to temperature changes or over periods of Caution prolonged storage rest or ope
30. rites 17 Connection of solenoid valve procedure PrrrereeeSrereerere eter eee erererecrecesrererrssy 18 Operating procedure NANE EE waded cots xpd veseatdsosddeouada ES EN 19 Adjustment of opening closing speed procedure AEN NENE TEE sete th atte aces 20 Mounting insert metal and base panel E E EE EE AEE A EET 29 Adjustment procedure for stopper Disassembling method for replacing parts PE TPE toateiasseatien ok 25 Installation procedure of fully open adjustment mechanism 26 Inspection items ebay EIRT OE A ENE A E E SEE IE E Heats ee 27 Troubleshooting Handling of residual and waste materials E E E A ET TT 28 ASAHI AV VALVES Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN ASAHI AV VALVES Installation Operation and Maintenance Manual This user s guide contains very important information for the proper installation maintenance and safe use of an ASAHI AV Product Please store this manual in an easily accessible location lt Warning amp Caution Signs gt we This symbol reminds the user to take caution due to the potential for serious injury or death aming This symbol reminds the user to take caution due to the potential for damage to the valve if used in Caution such a manner lt Prohibited amp Mandatory Action Signs gt Prohibited When operating the valve this symbol indicates an action that should not be taken Mandatory action Wh
31. speed controller s knob in a counterclockwise direction Refer to pages 20 and 21 The operation pressure is low Check the operating pressure The speed controller s knob is fully turned in a clockwise direction Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 27 ASAHI AV VALVES Problem Installation Operation and Maintenance Manual Cause Treatment Fluid leaks from the valve even when the valve is closed fully The diaphragm is worn Replace the diaphragm with a new one Refer to pages 25 and 26 The diaphragm or the body is scratched Replace scratched parts with new one Refer to pages 25and 26 Foreign matter is in the valve Disassemble valve to remove foreign matter Refer to pages 25 and 26 The operating pressure is low Check the operating pressure Fluid leaks from the valve The bolt between the body and actuator is loose Tighten up the bolt to the specified torque Refer to page 25 and 26 The diaphragm or the body is scratched Replace scratched parts with new one Refer to pages 25 and 26 There is foreign matter between the diaphragm and the body The union nut is loosened Disassemble valve to remove foreign matter Refer to pages 25 and 26 Tighten the union nut The O ring is scratched or worn Replace the O ring with a new one The actuator operates but the valve does not
32. ve maintenance program properly re tightening the bolts as necessary It is especially important to re tighten all bolts during the first shutdown Set valve support on the valve The AV valves must be used within the specifications specifically applicable to the product Installation Operation and Maintenance Manual a a an ah tee eh CE yl aN a eh hh a a a ce gh A A ea a ht yh ad a fa ed ten fa A S Never attempt to disassemble an actuator Waming If disassembled forcible internal parts may jump out and this is very dangerous A The actuator of diaphragm valve have draw and exhaust vent Waning The back side The fluid might spout when the diaphragm is damaged by Lae the condition Perform periodic maintenance p exhaust Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN ASAHI AV VALVES Installation Operation and Maintenance Manual 3 General instructions for transportation unpacking and storage A S When suspending and supporting a valve take care and do not stand under a suspended valve Waming A S This valve is not designed to handle impacts of any kind Avoid throwing or dropping the valve Caution Avoid scratching the valve with any sharp object Do not over stack cardboard shipping boxes Excessively stacked packages may collapse Avoid contact with any coal tar creosote insecticides vermicides or paint These chemicals may caus
33. y 4 Strip the cable with wire stripper i P A i ae i la 5 Draw the lead wire through the cover 6 Install the Faston terminal on the lead wire with a Y p ee terminal crimping tool 5 7 Insert the Faston terminal into the coil side And fit the cover 8 Tighten the cover setting screws to fix it The cover can be set with the wire extraction opening l turned upward or downward 9 Tighten the cable by connector Diaphragm Valve Type 14 True Union Diaphragm Valve Type 14 Pneumatic Actuated Type AN 18 ASAHI AV VALVES 14 Operating procedure Automatic Air Operating Procedure Caution AV valve may not function 1 Supply air to the air supply opening 2 Check that the air supplying side and the stopper 43 position are matching 3 Stop supplying air lt For the solenoid valve gt Procedure 1 Supply the air to the solenoid valve When AV valve is equipped with a solenoid valve do not leave solenoid valve terminal cover off Contact with the terminal will cause an electric shock Check that the supply pressure of the pressure reducing valve with a filter is 0 4MPa 4 1kgf cm2 or more 2 Push the button with a finger and confirm the action mode shown in the following table 3 Apply regular rated voltage to the solenoid valve and confirm the action mode shown in the following table 4 Turn off the solenoid valve Single action
34. y with a torque wrench to the specified torque level in a diagonal Caution manner Recommended torque value Unit N m kgf cm Ib inch Fig 1 ram 15mm 20mm 25mm 40mm 50mm 1 2 3 4 1 1 1 2 2 PTFE PVDE 17 5 179 155 20 0 204 177 22 5 230 200 coated 1 Rubber 8 0 82 71 20 0 204 177 22 5 230 200 Take care not to over tighten the Union Nut The valve can be damaged Caution Do not use the pipe wrench The valve can be damaged Fan a PAAA A PaA Ad ad eh A PA eS DADA a DA AA AER ee PAEAS SA A A OA nl at a S DEA R DA PAAPA get aa VAER A ARIE PRA FAA EEA OSA A AA A A D A S Avoid excessive tightening The valve can be damaged 1 Caution i Make sure that the threaded connections are plastic x plastic Metallic thread can cause damage i i Wrap the threaded joints on our plastic piping with sealing tape Using a liquid sealing agent or liquid l i gasket may cause stress cracks Environmental Stress Cracking Our product warranty shall not i i apply in case of said use even when said use is unavoidable ae Necessary tems si Amka ene Aee e S ie ics ini iays eE dei His ee eee ae E i Sealing tape Strap wrench Spanner wrench i Procedure 1 Wind a sealing tape around the external thread of joint leaving the end about 3mm free 2 Loosen the union nut 26 with a strap wrench 3 4 Remove the union nut 26 and the end conne
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