Ball Valve Type 21
Contents
1. Ee d N o N do J SEEC Ar RU Dei M N EnO en neo l oe TA s a 4 J m i y a Sr TN Ke g ND N J a Ee Q 2 5 ae Ul oo N x Jesignalilorn Carrier side Downstream Upstream oN 4 ee Side Side 6 Operating Procedure Remark Avoid excessive tightening The valve can be damaged Tum the handle gently to open or close i 7 Turn the handle clockwise to close and counter clockwise to open men T Fully closed The position of the handle should be perpendicular to the pipe sai Fully opened The position of the handle should be parallel to the pipe Fully opened Fully dosed 7 Method of Adjusting Face Pressure between Ball and Seat PN Necessary items ai Strap wrench Safety goggles Protective gloves Screwdriver only with nominal size 65 100mm Procedure nan RR Rnb nan 1 Completely discharge fluid from pipes 2 Tum the handle to full close CA Oo 3 Loosen the right union nut and the left one with a strap wrench e zz 5 4 Remove the body part from piping system Caution Wear protective gloves and safety goggles as some fluid remains in the valve You may be injured 5 Pull the handl2. 3 Bottom stand dimension Unit mm e Pang X Nom Size 7 Y 15mm 1 27 Ol one a 20mm 32 erase a 25mm 1 Se 32mm _ 11 4 EE E 40mm 11 2 50mm 2 AETAT Nominal 65 100mm 2 12 4 aeeeeenseneeseneeeceeennsaeeeeenmaneeen 65mm 21 2 amm 37 Battomstand 100mm 4 1 1 n a a a ay ci 9 Fixation of bottom stand with panel Nominal size 15mm 50mm 1 2 2 After the fixation Nominal size 65mm 100mm 2 1 2 4 Before the fixation l After the fixation 10 Inspection items O Inspect the following items Check for any flaw crack or deformation on the outside Check whether fluid leaks to the outside Check whether tightness of bolt nut Check whether the operation of the handle is smooth 11 Troubleshooting and action Problem Cause Action Adjust the face pressure between the The carrier is loosened ball and the seat Refer to page 9 Fluid leaks from the valve The seat is scratched or wom Replace the seat with a new one even when the valve is closed aly Foreign matter is in the valve Clean up The Panis scratched or worm 2 the scratched ball with a new The union nut is loosened Tighten up the union nut Adjust the face pressure between the Fluid leaks from the valve The carrier is loosened ball an
3. COCOCCOOIZ Union nut Stem No 4 Comparison between working temperature and pressure Nominal size 15mm 50mm 1 2 2 Nominal size 65mm 2 1 2 Nominal size 80mm 100mm 3 4 Oo NS MPa kgf cm pressure Working Caution Do not operate the valve beyond the range of working temperature and pressure The valve can be damaged 5 Installation procedure HMangedtype Material PVC C PVC PP PVDF Necessary items Torgue wrench Spanner wrench AV gasket Bolt Nut Washer For many flanges specification L When a non AV gasket is used a different tightening torque specification should be followed 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 them by hand Remark The parallelism and axial misalignment of the flange surface should be below the value
4. ay lamlaml em e Quantity 1 0 13 2 0 24 3 5 48 6 9 9 0 13 0 Nom Size 6 After applying adhesive insert the pipe quickly to the end connector and leave it alone for at least 60 seconds 7 Wipe away overflowing adhesive 8 Make sure that O ring A is mounted 9 Set the end connector and union nut 0 directly on the body without allowing the O ring A 8 to come off 10 Tighten the union nut 6 lightly by hand 11 Using a strap wrench screw it in by tuming 90 180 carefully without damaging it Remark Avoid excessive tightening The valve can be damaged Sockettype Material PP PVDF stn Necess ary items PN oP FPF TF AATE TA CO Strap wrench Donot use the pipe 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 and the end connector 3 Lead the union nut 6 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 is mounted 6 Set the end connector and the union nut directly without allowing the O ring A 8 to come off 7 Tighten the union nut G lightly by hand 8 Use a strap wrench screw it in by turing 90 180 carefully without damaging it Remark Avoid
5. ASAHI AV Valves Serial No H V027 E 2 Contents 1 General operating instructions ee 1 Ball Valve Type 21 2 General instructions for transportation unpacking and storage eects 1 3 Name of parts Bk kerka ios elemen ekkaoiakakowni E bana U ser s Manual 4 Comparison between working temperature and pressure NA MANA ANA NA BANNER AN 3 5 Installation procedure ee 4 6 Operating procedure ee 9 7 Adjustment face pressure between ball and seat ve 9 8 Disassembling method for parts replacement ve 10 9 Mounting actuator metal insert and base panel 10 Inspection items 11 Troubleshooting nan aan 13 12 Handling of residual and waste materials anang an 13 1 3 Inguiries pena nwanna nanang aan b aman 14 ASAHI ORGANIC CHEMICALS INDUSTRY CO LTD 1 General operating instruction Operate the valve within the range of the published working temperature and pressure The valve can be damaged by operation beyond the maximum allowable range of temperature vs pressure To select a valve in appropriate materials refer to CHEMICAL RESISTANCE ON ASAHI AV VALVE Some chemicals give heavy damage to valve materials The valve is not designed to bear any kind of external load Never stand on or place anything heavy on the valve at anytime When the valve is disposed of contact waste disposal specialist The valve generates toxic ga
6. d the seat Refer to page 9 The O ring is scratched or worn Replace the O ring with a new one Foreign matter is in the valve Clean up The handle can not be tumed smoothly f Deformation By heat etc Replace the parts 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 12 Handling of residual and waste materials Remark In discarding remaining or waste materials be sure to ask waste service company Poisonous gas is generated 13 Inquiries Head Office No 2 5955 Nakanose Cho Nobeoka City Miyazaki Pref Japan Tel 81 982 35 0880 Fax 81 982 35 9350 Tokyo Office Furukawachiyoda Bldg No 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 Am Wehrhahn 33 40211 Duesseldorf Germany Tel 49 6172 9175 0 Fax 49 6172 9175 25 ASAHI AMERICA Inc 35 Green Street Malden Massachusetts U S A 02148 Tel 1 781 321 5409 Fax 1 781 321 4421 Ball Valves Type 21 ASAHI ORGANIC CHEMICALS INDUSTRY CO LTD Information in this manual is subject to change without notice 2001 2
7. e off the body part Caution As for nominal size 65 100mm 2 1 2 4 loosen the screw 5 properly with a screwdriver before pulling it off 6 Engage the upper convex part of the handle with the concave part of Direction where the union carrier is tightened Caution As for nominal size 15 50mm Only the union G 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 Make an adjustment by turning the union clockwise to tighten it or counter clockwise to loosen it 8 Make sure that the handle can be operated smoothly 9 Assemble the valve by following the above procedure in the reverse order starting at 6 8 Disassembling Method for Replacing Parts Strap wrench Safety goggles Protective gloves Caution Wear protective gloves and safety goggles as some fluid remains in the valve You may be injured lt Disassembly gt ee Sa 1 Completely discharge fluid from pipes 2 Turn the handle to full close 3 Loosen the right union nut and the left one G with a strap wrench 4 Remove the body part from piping system 5 Pull the handle off the body part 6 Remark As for nominal size 65 100mm 2 1 2 4 loosen the screw properly with a screwdriver before pulling it off Engage the upper convex part of the handle with the concave part o
8. e union nut G through the pipe 5 Tighten the extemal thread of the joint and the end connector lightly by hand 6 Using a spanner wrench screw in the end connector by turning 180 360 carefully without damaging it Remark Avoid excessive tightening The valve can be damaged 7 Make sure that the O ring A is mounted 8 Set the end connector Gd and union nut 6 directly on the body without allowing the O ring A to come off 9 Tighten the union nut G lightly by hand 10 Using a strap wrench screw it in by tuming 90 180 carefully without damaging it Remark Avoid excessive tightening The valve can be damaged _ Sockettype Material PVC C PVC aitis Necess ary items EE FFT PT vr TP 7 ETT OP UC Te EON Adhesive for hard vinyl chloride pipes Strap wrench Do not use the pipe wrench Do not install a socket type valve where the atmospheric temperature is 5 C or lower The valve can be damaged 1 Loosen the union nut with a strap wrench 2 Remove the union nut and end connector amp 3 Lead the union nut through the pipe 4 Clean the hub part of the end connector by wiping the waste cloth 5 Apply adhesive evenly to the hub part of the end connector and the pipe spigot Remark Do not apply more adhesives than necessary L The valve can be damaged due to solvent cracking Adhesive quantity gideline 15mm 20mm 25mm 32mm 40 50 65 80 100 ale
9. excessive tightening The valve can be damaged Spisottype Material PVDF Strap wrench Donot use the pipe 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 G and the end connector 3 Lead the union nut 6 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 is mounted 6 Set the end connector and the union nut directly without allowing the O ring A 8 to come off 7 Tighten the union nut G lightly by hand 8 Use a strap wrench screw it in by turning 90 180 carefully without damaging it Remark Avoid excessive tightening The valve can be damaged Caution 15mm 50mm 1 2 2 It is recommended to install the valve with the threaded carrier to the upstream side of the system This allows for an increase safety factor and eliminating a threaded connection when used as a blocking valve This also allows the down stream union nut and end connector to be removed safely under pressure It increases the safety where there is no chance of thread leakage or accidentally removing the carrier The designation of the up stream side non threaded carrier is marked as shown on the body Nominal size 15mm 50mm 1 2 2
10. f the union Remark As tor nominal size 15 50mm Only the union 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 In the engaged state turn the handle 4 counter clockwise to loosen it and remove the union 8 8 Remove the seat carefully by hand without damaging it Bc 9 Push out the ball by hand 10 Push out the stem from the top flange side to the body side lt Assembly gt meas Carry out the assembly work in the reverse procedure from item 10 Caution With regard to item 8 before installing seat on the valve check the seat for its face and back 9 Mounting actuator Ensat and base panel Attach actuator to the top flange Procedure 1 Remove the handle Remark As for nominal 65mm 100mm tighten the screw amp properly before removing it 2 Fix the stand to actuator with bolt A 3 Fix the stem to the joint with screw B 1 4 Engage the joint S with actuator i E 32 ft A K 5 Fix the stand to the top flange 6 a with bolt nut B 6 Make sure that the valve works smoothly by operating actuator by hand Attach Inserted metal to the bottom stand Nominal 15 50mm 1 2 2 Procedure Bottom stand Refer to the user s manual for the Inserted metal i Commercially available
11. s The valve should be installed at place where space for periodic inspection amp maintenance is sufficient Do not store or install the valve near any heat source or hot surface Donotuse the valve for fluid containing slurry The valve will not operate properly Donotuse the valve on condition that fluid has crystallized The valve will not operate properly Caution Certain liquid such as H202 NaC10 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 Keep the valve in its original packaging until needed for installation Avoid contact with any coal tar creosote insecticides vermicides or paint The force of swelling may damage the valve The valve is not designed to handle any kind of impact Avoid throwing or dropping the valve Avoid scratching the valve with any sharp object 3 Name of parts Nominal size 15 50mm 1 2 2 Body Ball Carrier End connector Flanged end type End connector Socket end type End connector Threaded end type End connector Spigot type OCCCCCCRI F Union nut Stem Nominal size 65 100mm 2 1 2 4 DESCRIPTION Body Ball Carrier End connector Flanged end type End connector Socket end type End connector Threaded end type End connector Spigot type
12. s in the following L Afailure to observe them can cause destruction due to stress application to the pipe Unit mm inch Axial Parallelism Axial misalignment Paralldism Nem Size Misalignment a b 15 25mm 1219 1 0 0 04 0 5 0 02 I 40 80mm 41 2737 1 0 0 04 0 8 0 03 a 1 0 0 04 1 0 0 04 3 Using a torque wrench tighten the bolts and nuts gradually to the specified torque in a diagonal manner Refer to fig 1 Specified torque value Unit N m kem Ib ich Nom Size 15mm 20mm 25mm 32mm 40mm 50mm 65mm 80mm 100mm 02 B E a de 4172 2 2 1 2 37 Toraue 17 5 17 5 20 0 20 0 20 0 225 22 5 30 0 30 0 3 cn 179 178 204 204 204 230 230 306 306 155 155 177 177 177 200 200 266 266 Remark Avoid excessive tightening The valve can be damaged Threaded type Material PVC C PVC PPPVDF RA Necessary items r Sealing tap A non sealing tape can cause leakage Strap wrenclt Do not use Pipe wrench Spanner wrench Make sure that the threaded connections are plastic x plastic Metallic thread can cause damage Procedure 1 Winda sealing tape around the extemal thread of joint leaving the end about 3mm free 2 Loosen the union nut 6 with a strap wrench 3 Remove the union nut Jand the end connector 4 Lead th
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