OM Manual - Type-21/21a Ball Valve
Contents
1. refer to the user s manual for the sleeve welder or the automatic welding machine 5 After welding make sure that the O ring A 8 is mounted 6 Set the end connector 4e and the union nut 5 directly without allowing the O ring A 8 to come off 7 Tighten union nut 5 hardly with hand 8 Using a strap wrench tighten union nuts uniformly on each side approx 90 180 turns 1 4 to 1 2 turns Ball Valve Type 21 210 12 ASAHI AV VALVES Installation Operation and Maintenance Manual 9 Connection of limit switch procedure option A Shut down the power on the equipment before connecting wires There are risks of electrical Warning shock depending on the level of operating voltage Connect the cables by using insulated sheathed crimping terminals in such a way as not to contact Caution the cover or housing Contact of a crimping terminal with the cover may disable the cover from being closed or may cause a ground fault Be sure that the terminal cover and body cover are put on during the operation r Seats Necessary items a a a Screw driver Screw driver Connector G1 2 Wire stripper Terminal crimping tool Procedure 1 Adjust a cable as shown in the figure below When installing a crimp style terminal on the lead wire use crimp style terminals with insulation sleeve M3 so that its does not contact the housing and other crimp style terminals Details of connection Details of cable2. 4 1 ik fe fo rr i ff O wT 1 i aadA X L oth ast al N O all side j nion side IIl side nion sid Ty Type 2 Ball Valve Type 21 21a 16 ASAHI AV VALVES Installation Operation and Maintenance Manual 13 Mounting actuator metal ensat and base Panel install the locking device O Attach actuator to the top flange Procedure 1 Remove the handle 14 As for nominal 65mm 100mm tighten the screw 15 properly before removing it 2 Fix the stand 24 to actuator 23 with bolt A 3 Fix the stem 6 to the joint 25 with screw B 28 4 Engage the joint 25 with actuator 23 5 Fix the stand 24 to the top flange with bolt nut B 27 6 Make sure that the valve works smoothly by operating actuator 23 by hand Deennedeesaune seed souesevsaveesuedsouaeeeeagerdees sensaveessesdeusoeuedvedsces seve seaeasenssesienesaeensesaces dune NNNUNN Attach Inserted metal to the bottom stand AO _ Caution When screwing in a Metal Insert Ensat install it vertically Refer to the User s Manual for Metal Insert Ensat by the Maker Procedure Refer to the user s manual for the Inserted metal Commercially available _ Nominal 15 SOmm 1 2 2 Bottom stand Bottom stand dimension Unit mm Nom Size Sl S2 S3 I5mm 0 2 19 73
3. Axial Parallelism m i i om S1Ze Misalignment ab Axial misalignr irallelisy ae nope 1 0mm 0 04 O5mm 02 SY i a 40 80mm i p 13 1 0mm 0 04 0 8mm 0 03 a 1 0mm 0 04 1 0mm 0 04 4 Tighten the bolts and nuts gradually with a torque wrench to the specified torque level in a diagonal manner Caution Refer to fig 1 Tighten the bolts and nuts gradually with a torque wrench to the specified torque level in a diagonal manner Ball Valve Type 21 210 9 ASAHI AV VALVES Recommended torque value Unit N m kgf cm Ib inch Nom Size 15 20mm 25 40mm 50 65 mm 80 100 mm 1 2 3 4 1 1 1 2 2 21 2 3 4 17 5 179 155 20 0 2043 177 22 54230 230 30 0 306 266 Rubber 8 0 82 71 20 0 204 177 22 5 230 230 30 0 306 266 Threaded End End connector materials PVC C PVC PP PVDF Installation Operation and Maintenance Manual A S Avoid excessive tightening The valve can be damaged Caution Make sure that the threaded connections are plastic x plastic Metallic thread can cause damage Wrap the threaded joints on our plastic piping with sealing tape Using a liquid sealing agent or liquid gasket may cause stress cracks Environmental Stress Cracking Our product warranty shall not apply in case of said use even when said use is unavoidable Necessary items Sealing tape Strap wrench S
4. PVDF 15 50mm 1 2 2 Type2la Type21 65 100mm 2 1 2 4 7 Specification of limit switch option Nominal Size TypeCode Protection Grade 15 100mm 2 4 SLI P IP67 Limit Switch Rating S o o Connection Diagram Rate Voltage V Resistive Load A Inductive Load A Roller AC125 5 3 AC250 5 3 DC8 5 3 DC14 5 3 DC30 5 3 ree DC115 0 5 0 1 T DC230 0 25 0 05 CRR ee Conduit Hole Ball Valve Type 21210 N ASAHI AV VALVES Installation Operation and Maintenance Manual 8 Installation procedure 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 Ay S When installing a pipe support by means of a U band or something similar take care not to over tighten Caution Excessive force may damage the pipe When installing pipes and valves ensure that they are not subjected to tension compression bending impact or other excessive stress When installing a piece of equipment at the end of the piping line be sure to keep the secondary Downstream End Connector and Union Nut installed on the valve When installing Ball Valve 15 to 50 mm 1 2 to 2 at the end note the direction of flow Find the mark lt 4 molded o
5. Set the end connector 4c and union nut 5 directly on the body without allowing the O ring A 8 to come off 10 Tighten union nut 5 hardly with hand 11 Using a strap wrench tighten union nuts uniformly on each side approx 90 180 turns 1 4 to 1 2 turns 11 ASAHI AV VALVES Installation Operation and Maintenance Manual Socket End End connector materials PP PVDF Necessary items VOEE fl a Re Ne E A E Strap wrench Sleeve welder or automatic welding machine User s manual for sleeve welder or automatic welding machine Procedure 1 Loosen the union nut with a strap wrench 2 Remove the union nut 5 and the end connector 3 Lead the union nut 5 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 A 8 is mounted 6 Set the end connector 4c and the union nut 5 directly without allowing the O ring A 8 to come off 7 Tighten union nut 5 hardly with hand 8 Using a strap wrench tighten union nuts uniformly on each side approx 90 180 turns 1 4 to 1 2 turns Spigot End Endcomnector materials PP PVDF Strap wrench Automatic welding machine User s manual for automatic welding machine Procedure 1 Loosen the union nut with a strap wrench 2 Remove the union nut 5 and the end connector 3 Lead the union nut 5 through the pipe 4 For the next step
6. Ul oh 20mm _ 3 4 19 73 ll T 25mm P 19 13 1 32mm 114 30 9 15 40mm 1 1 2 30 9 15 au oi z 5 Nominal 65 100mm 2 1 2 4 Bott tan 80mm G 55 ll 7 a in 100mm 2 65 Ul 8 tf l fi olf Ball Valve Type 21 21a e a T R ASAHI AV VALVES Installation Operation and Maintenance Manual Fixation of bottom stand with panel Nominal size 15mm 50mm 1 2 2 After the fixation ind K a inel Dody ind Panel 1 isher Ensat i l C J Nominal size 65mm 100mm 2 1 2 4 Before the fixation After the fixation To l Nut f A ishel 4 J inel A ee I ind z 4 H A anel P 3 U N isher i D tt and l i O Installation Procedure of the Locking Device The handle lock can be done by full open close Refer to the User s manual for Locking Device Option The location hole for the lock is already installed Handle _ in the handle Table 1 ra Tapping Sce Table 1 lt Size of Key gt Nominal Size A mm inch mm inch AE NaN ORS ace TS tt A Oa aN A E E A OLSSON 15 25 C1 5 0 20 32 50 1 4 2 6 0 24 65 100 2 4 7 0 28 Ball Valve Type 21210 ASAHI AV VALVES Installation Operation and Maintenance Manual 14 Inspection items A Perform periodic maintenance Leakage may develop
7. due to temperature changes or over periods Gatien of prolonged storage rest or operation OtInspect the following items Check for any flaw cracks or deformation on the outside Check whether fluid leaks to the outside Check whether the cap nut has been loosened Check whether the handle can be operated smoothly 15 Troubleshooting Problem Cause Treatment Adjust the face pressure between the Terns eee ball and the seat Refer to page 14 Fluid leaks from the valve The seat is scratched or worn Replace the seat with a new one even when the valve is closed fully Foreign matter is in the valve Clean up Replace the scratched ball with a new one The ball is scratched or worn The union nut is loosened Tighten up the union nut Adjust the face pressure between the Fluid the valve ier i ciel noe iene The carrier is loosened ball and the seat Refer to page 14 The O ring is scratched or wom Replace the O ring with a new one Foreign matter is in the valve Clean up The handle can not be tumed Deformation By heat etc Replace the parts smoothly Adjust the face pressure between the She cane eae oe ball and the seat Refer to page 14 The stem is broken Replace the stem with a new one The handle fails to engage The engagement between the stem and the ball Replace the stem and ball with new is broken ones 16 Handling of residu
8. in the valve Therefore wear protective goggles and protective gloves You may otherwise get injured Ball Valve Type 21 21 15 ASAHI AV VALVES Installation Operation and Maintenance Manual lt Disassembly gt Procedure 1 Completely discharge fluid from pipes 2 Turn the handle to full close 3 Loosen the right union nut and the left one 5 with a strap wrench 4 Remove the body part from piping system 5 Pull the handle off the body part Engage the upper convex part of the handle with the concave part of the union Ball valve type 21 6 Inthe engaged state turn the handle 14 counter clockwise to loosen it Tighten and remove the union 3 4 7 Remove the seat 7 carefully by hand without damaging it 8 Push out the ball 2 by hand 9 Push out the stem 6 from the top flange side to the body side A 1 As for nominal size 15 50mm Only the carrier on i Caution the right side when viewed from the trademark i AV mark can be adjusted Ball valve type 21a i As for nominal size 65 100mm adjust the carriers on i Loosen both sides lt lt Assembly gt Procedure i Carry out the assembly work in the reverse procedure from item 10 E EE A g Before assembling PTFE seat in to the carrier check the seat for seat face to touch the boll Caution
9. 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 use a gas in testing please consult your nearest service station beforehand Certain liquid such as H O NaClO etc may be prone to vaporization OffGassing which may cause irregular pressure increases which may destroy the valve A S Do not step on or apply excessive weight on valve It can be damaged Caution Do not use the valve to fluid containing slurry The valve will not operate properly 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 cha
10. parts Nominal Size 15 50mm 1 2 2 14 I is BS Sa l 3 12 190 9 12 19a 10 11 7 6 2 y a N hey Mpa T r lt neha No DESCRIPTION No DESCRIPTION ei 1 Body 8 O ring A l 2 Ball 9 O ring B 8 Carrier 10 O ring C 4b End connector Flanged End 11 O ring D y 4c End connector Socket End 12 O ring E 4d End connector Threaded End 13 Stop ring 4e End connector Spigot End 14 Handle 5 Union nut 15 Tapping screw A 6 Stem 19 Extension stem 7 Seat 19a Tapping screw B 7a Seat A Type21 and 210 have not all same parts to make one complete As for details please consult your nearest service station beforehand Nominal Size 65 100mm 2 1 2 4 DESCRIPTION No DESCRIPTION Body 8 O ring A Ball 9 O ring B Carrier 10 Cushion End connector Flanged end type 11 O ring C End connector Socket end type 12 O ring D End connector Threaded end type 13 Stop ring 4b End connector Spigot type 14 Handle Union nut 15 Tapping screw A Stem 19 Extension stem Seat 19a Tapping screw B Seat A Ball Valve Type 21 210 4 ASAHI AV VALVES Nominal Size 15 100mm 1 24 with Limit Switch Option Ball Valve Type 21210 Installation Operation
11. 2 Remove the terminal cover from the housing by using a screw driver 3 Draw a cable through each part as shown in the figure below Housing 4 Connect the crimp style terminal to the terminal board with a screw driver 5 Attach the terminal cover to the housing 6 Set the seal and washer and tighten the nut to the terminal cover Ball Valve Type 21 210 13 ASAHI AV VALVES Installation Operation and Maintenance Manual 10 Operating procedure A S Do not exert excessive force in closing the valve Caution Do not use the valve to fluid containing slurry The valve will not operate properly The installed valve must never be opened or closed when foreign matter such as sand is present in the pipeline When operating the handle be sure to do so with your hand Using a tool may damage the handle Before opening or closing a lubricant free product be sure to apply water Turn the handle gently to open or close i l ii Tum the handle clockwise to close and counter clockwise to open n rom D Fully closed The position of the handle should be perpendicular to the pipe a Y CAMT Fully opened The position of the handle should be parallel to the pipe Fully opened Fully closed 11 Method of adjusting face pressure between ball and seat A Take care not to over tighten the Union Nut The valve can be damaged Caution
12. ASAHI AV VALVES Ball Valve Type 21 21a Nominal size 15 100mm 1 2 4 User s Manual E Ball Valve Type 21 21a Installation Operation and Maintenance Manual Serial No H V027 E 12 Contents __ 1 Be sure to read the following warranty clauses of our product s 1 2 General operating instructions 2 3 General instructions for transportation unpacking and storage s 3 4 Name of parts e A 5 Working pressure vs temperature 6 6 Specification of valve body 7 7 Specification of limit switch 7 8 Installation procedure mi 8 9 Connection of limit switch procedure s 13 10 Operating procedure nnn 14 11 Method of adjusting face pressure between ball and geata 14 12 Disassembling method for replacing parts AE E itinariiescvaniiaels 15 13 Mounting actuator metal ensat and base Panel install the locking device 17 a 5 Troubleshooting PE REAS EIE E EEEN EAE E EA 19 16 Handling of residual and waste materials 19 ASAHI AV VALVES ASAHI AV VALVES Installation Operation and Maintenance Manual This user s guide contains information important to 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 A This symbol reminds the user to take caution due to the potential for serious injury or Warning death A This symbol remi
13. Do not use the pipe wrench The valve can be damaged ii a a a JA ny Sn i E A pa ait ie B a E ii iit Se a i em G a a a Sy R a a E R a il T Strap wrench Safety goggles Protective gloves Screwdriver only with nominal size 65 100mm Procedure 1 Completely discharge fluid from pipes 2 Turn the handle to full close a En 3 Loosen the right union nut and the left one 5 with a strap wrench Zp f 4 Remove the body part from piping system A GS If you do work with the piping installed drain the Caution piping of all its fluid Some fluid will remainin mune the valve Therefore wear protective goggles and protective gloves You may otherwise get injured Ball Valve Type 21 210 14 ASAHI AV VALVES Installation Operation and Maintenance Manual 5 Pull the handle off the body part 2 Tighten As for nominal size 65 100mm 2 1 2 4 loosen the screw 15 in properly with a screwdriver before pulling it off dl 6 Engage the upper convex part of the handle with the concave part of the union 3 As for nominal size 15 50mm Only the union 3 on the right side when viewed from the trademark AV mark can be adjusted As for nominal size 65 100mm_ adjust the unions on both sides 7 Male an adjustment by turning the union 3 clockwise or counter clockwise Ball valve type 21a Tighten the union Loosen Ball Valve Typ
14. al and waste materials A eG Make sure to consult a waste treatment dealer for recommendations on the proper disposal of plastic Warning valves Poisonous gas is generated when the valve is bumed improperly a jm eke gs Sa me me km se Ske el 1 Ball Valve Type 21 21a 19 ASAHI AV VALVES Installation Operation and Maintenance Manual Ball Valve Type 21 21a ASAHI AV VALVES Distributor Asahi Organic Chemicals Industry s homepage http Awww asahi yukizai co jp en Information in this manual is subject to change without notice i i i i i st 2012 01 Ball Valve Type 21210
15. and Maintenance Manual i DT i xe i HBg 15 20 9 gt T T No DESCRIPTION No DESCRIPTION 15 Tapping screw A 19 Extension stem 16 Limit switch 20a Bolt Nut A 17 Limit switch rod 51 BoltsNut 18 Bracket A ASAHI AV VALVES Installation Operation and Maintenance Manual 5 Working pressure vs temperature Nominal size 15mm 50mm 1 2 2 Nominal size 65mm 2 1 2 i 7 a a Ta 40 L5 30 7 gt 140 175 Temperature C F Ball Valve Type 21210 ASAHI AV VALVES 6 Specification of valve body Specification of Type 21 amp Type 21a Installation Operation and Maintenance Manual ee Body material Neca PVC CPVC PP
16. e 21 Clockwise k Ball Valve Type 21a Counter clockwise Loosen the union Ball Valve Type 21 Counter clockwise Ball Valve Type 21a Clockwise 8 Make sure that the handle can be operated smoothly 9 Assemble the valve by following the above procedure in mI a the reverse order starting at 6 al Tighten 12 Disassembling method for replacing parts A Be sure to conduct a safety check on all hand and power tools to be used before beginning work Warming 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 A SO 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 When installing disassembling or reassembling the piping fix the End Connector Before a water test be sure that the Union Nut is tightly fastened Fasten the Union Nut while avoiding the parallelism and axial misalignment of the flange surface When connecting an ASAHI AV Valve to metal piping take care not to let the pipe stress on the ASAHI AV Valve Ball valve type 21 21a has the case of incompatible for a part of parts parts Body 1 Ball 2 Carrier 3 Stem 6 Seat 7 Strap wrench Safety goggles Protective gloves A amp If you do work with the piping installed drain the piping of all its fluid Some fluid will remain
17. n the Carrier side body On the secondary Downstream side the Carrier is integral with the valve body This is the preferred al method if installation when installing the equipment at the end of the line for safety purposes When installing disassembling or reassembling the piping fix the End Connector Before a water test be sure that the Union Nut is tightly fastened Fasten the Union Nut while avoiding the parallelism and axial misalignment of the flange surface When connecting an ASAHI AV Valve to metal piping take care not to let the pipe stress on the ASAHI AV Valve When screwing in a Metal Insert Ensat install it vertically Refer to the User s Manual for Metal Insert Ensat by the Maker When loosening the union nut on the union side fix the body cap hold it with your hand and do work Ifthe body cap turns the union will turn together resulting in the union and ball separating from the body Ifthe union is loosened retighten the union Take care not to over tighten the Union Nut The valve can be damaged Do not use the pipe wrench The valve can be damaged Ball Valve Type 21210 ASAHI AV VALVES Flanged End End connector materials PVC C PVC PP PVDF A ap Use flat faced flanges for connection to AV Valves Caution Ensure that the mating flanges are of the same standards ey When a non AV gasket is used a different tightening
18. nds the user to take caution due to the potential for damage to the valve Caution if used in 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 wD Mandatory action When operating the valve this symbol indicates mandatory actions that must be adhered to 1 Be sure to read the following warranty clauses of our product 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 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
19. nges or periods of prolonged storage rest or operation Ball Valve Type 21 210 2 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 i Waming i This valve is not designed to handle impacts of any kind Avoid throwing or dropping the valve 1 Caution Avoid scratching the valve with any sharp object Do not over stack cardboard shipping boxes Excessively stacked packages may collapse i Avoid contact with any coal tar creosote insecticides vermicides or paint i These chemicals may cause damage to the valve i When transporting a valve do not carry it by the handle i amp 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 i excessive temperatures Corrugated cardboard packages become weaker as they become wet with water or other liquid Take care in storage and handling i After unpacking the products check that they are defect free and meet the specifications a apc EE AE a E ls E SAA E DA E A E AO S A e gf i ee ma AE A AA EA lg mt a nn a a EA E A EER Ball Valve Type 21 210 3 ASAHI AV VALVES Installation Operation and Maintenance Manual 4 Name of
20. nt 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 removing the solvent vapors G Use the appropriate Asahi AV cement Conduct a water test at least 24 hours after joining the pipes with an adhesive cement Adhesive for hard vinyl chloride pipes Procedure 1 Loosen the union nut 5 with a strap wrench 2 Remove the union nut 5 and end connector 4c 3 Lead the union nut through the pipe 4 Clean the hub part of the end connector 4c by wiping the waste cloth 5 Apply adhesive evenly to the hub part of the end connector 4c and the pipe spigot A Do not apply more adhesive than necessary The valve can be damaged due to solvent cracking Caution Ball Valve Type 21 21a Adhesive quantity guideline 15mm 20mm 25mm 32mm 40mm 50mm 65mm 80mm 100mm 1 2 3 4 1 1 1 4 A12 2 2 1 2 3 Quantity g 1 0 13 2 0 24 3 5 48 69 90 13 0 Nom Size 6 After applying adhesive insert the pipe quickly to the end connector 4c and leave it alone for at least 60 seconds A S Do not under any circumstances try to insert a pipe into another fitting or valve by striking it which Caution may break the piping 7 Wipe away overflowing adhesive 8 Make sure that O ring A 8 is mounted 9
21. 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 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 Ball Valve Type 21 210 1 ASAHI AV VALVES Installation Operation and Maintenance Manual 2 General operating instructions A ate Using a positive pressure gas with our plastic piping may pose a dangerous condition due to the Warning repellent force particular to compressible fluids even when the gas is under similar pressures used for liquids Therefore be sure to take the
22. panner wrench Procedure 1 2 3 4 5 6 7 8 9 Wind a sealing tape around the extemal thread of joint leaving the end about 3mm free Loosen the union nut 5 with a strap wrench Remove the union nut 5 and the end connector 4d Lead the union nut 5 through the pipe Tighten the extemal thread of the joint and the end connector 4d hardly with hand Using a spanner wrench screw in the end connector 4d by tuming 180 360 carefully without damaging it Make sure that the O ring A 8 is mounted Set the end connector 4d and union nut 5 directly on the body without allowing the O ring A 8 to come off Tighten union nuts 5 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 Ball Valve Type 21210 ASAHI AV VALVES Installation Operation and Maintenance Manual Strap wrench a Socket End _ End connector materials PVC C PVC A S When using an adhesive ventilate the space sufficiently prohibit the use of a fire in the vicinity and do not Warning inhale adhesive vapors directly If an adhesive gets into contact with your skin wash it off immediately If you feel sick or find any anomaly receive a physician s diagnosis and take appropriate measures promptly A S Take care in doing work at low temperatures Solvent vapors are hard to evaporate and are likely to Caution remain Solve
23. torque specification should be followed sen Necessary items Torque wrench AV gasket Spanner wrench Bolt Nut Washer For many flanges specification Procedure 1 When the union nut 5 flange assembly set was removed or loosen from body 1 O ring A 8 Installation Operation and Maintenance Manual Be sure to use sealing gaskets AV Gasket bolts nuts and washers and tighten them to specified torques should be installed into carrier and body groove In either horizontal or vertical installation if necessary apply a small amount of lubricant to O ring to hold in place Align union nut and end connector with the body Insure end connector mates with body and O ring Make certain union nut threads onto body smoothly Tighten union nuts on each side valve until hand tight Then using a strap wrench tightens union nuts uniformly on each side approx 90 180 turns 1 4 to 1 2 turns Set the AV gasket between the flanges Insert washers and bolts from the pipe side insert washers and nuts from the valve side then temporarily tighten them by hand Ks ate eee ee eee oe ee ee ee ee ee ee eee ee eee ee ee eee ey A The parallelism and axial misalignment of the flange surface should be under the values shown Caution in the following table to prevent damage the valve i A failure to observe them can cause destruction due to stress application to the pipe i Nom Si
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