PDCPD Butterfly Valve
Contents
1. is generated when the valve is burned improperly Allow sufficient space for maintenance and inspection Keep the valve away from excessive heat or fire It can be deformed or destroyed The valve is not designed to bear any kind of external load Never stand on or place anything heavy on the valve at anytime Certain liquid such as H202 NaClO etc may be prone to vaporization which may cause irregular pressure increases which may destroy the valve 2 General instructions for transportation unpacking and storage O O O O Keep the valve packed in the carton or box as delivered until installation Keep the valve away from any coal tar creosote antiseptic for wood termite insecticide vermicides and paint This could cause swelling damage the valve Do not impact or drop the valve It can be damaged Avoid scratching the valve with any sharp object PDCPD Butterfly Valves 1 ASAHI AV VALVES Installation Operation and Maintenance Manual 3 Name of parts DESCRIPTION DESCRIPTION Body Seq B Inserted metal of body Key A Disc Key B Inserted metal of Disc BUSH Seat Stem holder Seat Ring Gasket Stem A Bolt PDCPD Butterfly Valves 2 Installation Operation and Maintenance Manual ASAHI AV VALVES 4 Comparison between operating temperature and pressure g 7 3 ye S E e A Er E E 5 E E 5 2 Q 52. the valve and put four stud bolts into the inserted metal parts then tighten nuts lightly with hand 5 Set another short pipe with the valve Loop the short pipe and tighten nuts as the same procedure as 4 6 Putthe bolts into the penetrated bolt holes and plumb in j Fig5 Move the pipe gradually to match holes one another and set nuts A Caution Tighten the bolt nuts of the valve and the flange on the penetrated bolt at first and then tighten the bolt nuts on the inserted metal parts 7 Tighten the nuts Tighten the nuts in a diagonal manner Fic 6 All penetrated bolts should be tightened first and the inserted j metal parts will be tightened after Kom Size onmi E ccn 700 800 Q8 34 130 1 300 900 1000 367 407 170 1 700 8 Using the nylon sling lift up around the flange sides of both j Fig 7 short pipes to set in the required position Hook a wire on the eyebolt so that the whole valve can not be turned PDCPD Butterfly Valves ASAHI AV VALVES Installation Operation and Maintenance Manual 6 Operating procedure A Caution The handle must be operated by hand Turn the handle gently to open or close Check the travel indicator on the top of the gearbox and turn the handle Right turn Clockwise md Shut direction Left turn Counter clockwise Open direction 7 General instructions for fluid flowing 1 Make sure that any foreign matter is not in the pi
3. 56mm 29 76 900mm 36 860mm 33 85 1000mm 40 948mm 37 32 N Y PDCPD Butterfly Valves 4 ASAHI AV VALVES Installation Operation and Maintenance Manual 1 2 Set the short pipes ET Set the short pipes with suitable stands so that the center of the valve in the upright position aligns with that of the short pipe Using a cloth wipe foreign matter away from the flange surfaces of the short pipes Stand the valve upright Wind the nylon sling around the head part of the body and gradually raise it up After standing the valve upright wipe foreign matter away from the seat with a cloth A Caution Lift the valve up by looping a belt around the gearbox Like Fig 2 The eyebolt in the gearbox is designed to support the weight of gearbox about 500kg so avoid lifting up the whole valve with the eyebolt Use it just as a support to stand the valve upright U 3 Lower the valve gradually between the short pipes on to the spacer Lower the valve carefully without damaging the flange surfaces of short pipes The face to face dimension of valves is as below Make sure that the valve is closed Unit mm inch 210 828 240 945 240 945 300 1181 PDCPD Butterfly Valves 5 ASAHI AV VALVES Installation Operation and Maintenance Manual 4 Connect the valve temporary with one of short pipes Match the bolt hole of the short pipe with that of
4. ASAHI AV VALVES Installation Operation and Maintenance Manual Serial No H V037E 1 PDCPD Butterfly Valve 700mm 800mm 900mm 1000mm Contents 1 General operating instructions RIANA AIEE E nate 1 2 General instructions for transportation unpacking and storage v 1 3 Name of PALS nnn 2 4 Comparison between working temperature and pressure 3 3j indented Rene vachpedeseeitepdaduue 4 6 Operating procedure t 7 7 General instructions for fluid flowing 3 8 Inspectionilems ti 7 9 Troubleshooting 8 10 Handling of residual and waste materials M 8 11 Tages 4 5 ertet ettet e etes 9 ASAHI AV VALVES PDCPD Butterfly Valves ASAHI AV VALVES Installation Operation and Maintenance Manual 1 General operating instructions O O O O O Operate the valve within the pressure Vs temperature range Ihe valve can be damaged by operating beyond the allowable range Select a valve material that is compatible with the media refer to CHEMICAL RESISTANCE ON ASAHI AV VALVE Some chemicals may damage incompatible valve materials Do notuse the valve on condition that fluid has crystallized The valve will not operate properly Do not step on the valve or apply excessive weight on valve Itcan be damaged Do not exert excessive force in closing the valve Make sure to consult a waste treatment dealer to dispose of the valves Poisonous gas
5. PDCPD Butterfly Valves 700mm 800mm 900mm 1000mm ASAHI AV VALVES Information in this manual is subject to change without notice 2004 8 PDCPD Butterfly Valves
6. e gearbox The connecting bolts are too much tightened Reset the valve Refer to page 4 5 The gearbox is damaged Repair or replace The valve does not operate The stem is damaged Replace the stem 10 Handling of residual and waste materials AN Caution In discarding remaining or waste materials be sure to ask waste service company PDCPD Butterfly Valves 8 ASAHI AV VALVES Installation Operation and Maintenance Manual 11 Inquiries ASAHI ORGANIC CHEMICALS INDUSTRY CO LTD Nobeoka Head Office 2 5955 Nakanose Cho Nobeoka City Miyazaki Pref Japan Tel 81 982 35 0880 Fax 81 982 35 9350 Tokyo Head Office Furukawachiyoda Bldg 15 9 Uchikanda 2 Chome Chiyoda Ku Tokyo Japan Tel 81 3 3254 8177 Fax 81 3 3254 3474 Singapore Branch Office 16 Raffles Quay 40 03 Hong Leong Building Singapore 048581 Tel 65 220 4022 Fax 65 324 6151 Europe Representative Office Kaiser Friedrich Promenade 61 D 61348 Bad Homburg v d H Germany Tel 49 6172 9175 0 Fax 49 6172 9175 25 Shanghai Branch Office Room 1301 P Shanghai Kerry Center 1515 Nanjing Xi Road Shanghai China Tel 21 5298 6900 Fax 21 5298 6556 ASAHI AMERICA Inc 35 Green Street PO Box 653 Malden Massachusetts 02148 U S A Tel 1 781 321 5409 Fax 1 781 321 4421 Distributor PDCPD Butterfly Valves 9 ASAHI AV VALVES Installation Operation and Maintenance Manual
7. pe which may damage the valve seat before fluid flowing Open the valve fully when the fluid starts flowing 2 Although the sealing adjustment of disc is already adjusted if the valve leaks during operation loosen the stopper bolt in the actuator and find the volume of tightening 8 Inspection items O Inspect the follow items Check for any flaw crack or deformation on the outside Check whether fluid leaks to the outside Check whether there are protrusion or retirement of seat Check the smoothness of handle operation PDCPD Butterfly Valves 7 ASAHI AV VALVES Installation Operation and Maintenance Manual 9 Troubleshooting Problem Cause Treatment The valve does not operate The protrusion of the seat The uneven or smoothly excessive tightening of the bolt Poa aes The stopper is not adjusted properly Adjuster the stopper The seat is damaged or worn Replace the seat Fluid is not stopped in the full Foreien matter is in the valve Disassemble the valve and clean closed position en i Refer to page 4 5 The disc is damaged or worn Replace the disc The connecting bolts are too much tightened o tiohiened unevenly Reset the valve Refer to page 4 5 Fluid leaks to the outside The seat is damaged or worn Replace the seat Foreign matter is adhered Reset the valve Refer to page 4 5 The handle does not work smoothly The gearbox is damaged Replace th
8. tizi o Sp z Q S E T Oo S a gt Q S Q B S o J z e a E S E E 9 gt T gt PDCPD Butterfly Valves ASAHI AV VALVES Installation Operation and Maintenance Manual 5 Installation procedure A Caution 1 The valve disc is sent in the position indicated by solid lines in Fig 5 1 prior to shipment from the factory If the valve is opened or closed after unpacking it must be reset in this position before installation Failure to do so will result in damage to the surface of the valve seat during handling and installation 2 The valve most not be dropped or thrown against other objects since the sealing surface of the disc and the sealing surface of the valve seat may easily be damaged 3 Care must be used during piping installation to ensure that the pipes or flanges are properly aligned so that the valve disc dose not contacts them in any setting Misalignment as in Fig 5 2 will result in damage to the valve 4 The installed valve must never be opened or closed when foreign matter such as sand is present in the pipeline Fig 5 1 Fig 5 2 J WAFS Y 7 NA Mle ML gt In case of the thick wall of the connection part flange and pipe is too thick shave the flange or the pipe inside in order to avoid the contact of pipe and disc If inside diameter of the connection part is larger than size D shaving is not necessity E 700mm Q8 661mm 26 02 N i 800mm 32 7
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