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KSB BOA-Control SBV, Operating Manual

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8 Trouble-shooting

24 of 28

BOA-Control SBV

7130.8/01-EN

8 Trouble-shooting

 WARNING

Improper remedial work on the valve

Risk of injury!

▷

For any work performed in order to remedy faults on the valve observe the
relevant information given in this operating manual and/or the product
literature provided by the accessories manufacturers.

If problems occur that are not described in the following table, consultation with the
KSB service is required.

Table 8: 

Trouble-shooting

Problem

Remedy

Leakage at the seat/disc interface

Rework not possible.
Replace valve.

Leakage at the stem seal

Rework not possible.
Replace valve.

Leakage at the pressure measurement
connection branches

Contact KSB, spare parts available

Summary of Contents for BOA-Control SBV

Page 1: ...Balancing and Shut off Valve BOA Control SBV Operating Manual ...

Page 2: ...s provided herein must neither be distributed copied reproduced edited or processed for any other purpose nor otherwise transmitted published or made available to a third party without the manufacturer s express written consent Subject to technical modification without prior notice KSB SE Co KGaA Frankenthal 07 07 2021 ...

Page 3: ...livery 11 3 2 Transport 11 3 3 Storage preservation 11 3 4 Return to supplier 11 3 5 Disposal 12 4 Valve Description 13 4 1 General description 13 4 2 Marking 13 4 3 Operating data 13 4 4 Fluids handled 13 4 5 Design details 13 4 6 Pressure temperature ratings 14 4 7 Materials 14 4 8 Function 16 4 9 Scope of supply 16 4 10 Dimensions and weights 16 5 Installation at Site 17 5 1 General information...

Page 4: ...Contents 4 of 28 BOA Control SBV 7 Servicing Maintenance 23 7 1 Safety regulations 23 7 2 Maintenance 23 8 Trouble shooting 24 Index 25 ...

Page 5: ...BOA Control SBV 7130 8 01 EN Glossary Pressure Equipment Directive PED The 2014 68 EU Directive sets out the requirements to be met by pressure equipment intended to be placed on the market in the European economic area ...

Page 6: ...Contents Type series booklet Description of the valve Flow characteristics1 Information on Kv and zeta values General assembly drawing2 Sectional drawing of the valve Sub supplier product literature3 Operating manuals and other product literature for the accessories Observe the relevant manufacturer s product literature for the accessories 1 4 Symbols Table 2 Symbols used in this manual Symbol Des...

Page 7: ...y CAUTION CAUTION This signal word indicates a hazard which if not avoided could result in damage to the machine and its functions General hazard In conjunction with one of the signal words this symbol indicates a hazard which will or could result in death or serious injury Electrical hazard In conjunction with one of the signal words this symbol indicates a hazard involving electrical voltage and...

Page 8: ... regulations not taken into account The design manufacture and testing of the valve are subject to a QM system to DIN EN ISO 9001 as well as the current European Pressure Equipment Directive Bear in mind that valves exposed to creep rupture conditions have a limited service life and have to meet the applicable regulations stipulated in the technical codes In the case of customised special variants...

Page 9: ... of any and all rights to claims for damages Non compliance can for example have the following consequences Hazards to persons due to electrical thermal mechanical and chemical effects and explosions Failure of important product functions Failure of prescribed maintenance and servicing practices Hazard to the environment due to leakage of hazardous substances 2 5 Safety awareness In addition to th...

Page 10: ...still only The valve body must have cooled down to ambient temperature The pressure in the valve body must have been released and the valve must have been drained When taking the valve out of service always adhere to the procedure described in the manual Decontaminate valves which handle fluids posing a health hazard Protect the valve body and body bonnet cover from any impacts As soon as the work...

Page 11: ...delivery we recommend that the following measures be taken for storage CAUTION Incorrect storage Damage due to dirt corrosion humidity and or frost Close the valve using little force and store in the closed position Store the valve in a frost proof room where the atmospheric humidity is as constant as possible Protect the valve from dust during storage e g with suitable caps or foils Protect the v...

Page 12: ... fluid and any residues of the fluid handled Wear safety clothing and a protective mask if required Observe all relevant laws Decontaminate valves used in fluids posing a health hazard 1 Dismantle the valve Collect greases and other lubricants during dismantling 2 Separate and sort the valve materials e g by Metals Plastics Electronic waste Greases and other lubricants 3 Dispose of materials in ac...

Page 13: ...erating data Table 5 Operating properties Characteristic Value Nominal pressure 25 Nominal size 15 50 Max permissible pressure bar 25 Min permissible temperature C 10 Max permissible temperature C 120 4 4 Fluids handled Water Water glycol mixtures glycol content 50 Other fluids on request 4 5 Design details Design Static balancing valve Straight way Y pattern valve with female threaded ends Non ri...

Page 14: ... C to 100 C 120 C bar bar bar bar 25 15 50 37 5 27 5 25 21 4 7 Materials 100 161 200 411 350 620 961 904 412 1 412 2 131 1 131 2 757 580 1 580 2 Fig 1 Sectional drawing Table 7 Overview of available materials Part No Description Material Note 100 Body CW602N 131 1 2 Pressure measurement connection branch CW617N 161 Body bonnet CW602N 200 Stem CW602N 350 Valve disc CW602N 411 Joint ring EPDM 70 412...

Page 15: ...4 Valve Description 15 of 28 BOA Control SBV 7130 8 01 EN Part No Description Material Note 904 Grub screw travel stop Steel 961 Handwheel Glass fibre reinforced plastics ...

Page 16: ... specific flow rates can be measured Valve travel in opening direction can be limited by setting travel stop 904 at the handwheel so that the valve cannot be opened beyond this position Depending on the flow rate to be set the valves are opened or set to the required valve plug position As the valves are fitted with throttling plugs as standard they are suitable for both on off and control duties ...

Page 17: ...an be installed in any position in the system If the fluid handled contains particles the valve must not be installed with the handwheel pointing downwards For optimum measuring results a minimum upstream stabilisation distance of 5x DN must be maintained upstream of the valve 10x DN downstream of a pump and a minimum downstream stabilisation distance of 2x DN must be maintained downstream of the ...

Page 18: ...on the valve Protect stem and plastic components prior to applying paint Protect printed name plates prior to applying paint 5 5 Installing the valve CAUTION Improper installation Damage to the valve Protect the body and body bonnet cover from any impacts CAUTION Tightening the threaded connection with an unsuitable tool Damage to the valve Leakage at the valve body Leakage of fluid Tighten the th...

Page 19: ...amage due to corrosion Insulate the valve to prevent diffusion 5 7 Measuring computer CAUTION Incorrect operation of the measuring computer Incorrect readings and setting of valve Observe the relevant operating manual of the measuring computer A differential pressure gauge is required for measuring the volume flow rate It allows the presetting to be checked and adjusted during the hydraulic balanc...

Page 20: ...ed valves by hand Viewed from above the valve is closed by turning the handwheel in clockwise direction and opened by turning the handwheel in anti clockwise direction The relevant symbols are shown on the top of the handwheel The moving part of the scale at the handwheel indicates the number of full turns The fixed part of the scale indicates tenths of a full turn The valve is fully open in posit...

Page 21: ...ion by turning handwheel 961 until the required volume flow rate is set Owing to the system s inertia the volume flow rate may fluctuate slightly after the handwheel has been actuated Wait for the value to stabilise 6 After the required volume flow rate has been reached set travel stop 904 with an Allen key WAF 3 7 Remove the measuring probes carefully by pulling and turning them in anti clockwise...

Page 22: ...fety clothing and a protective mask if required Observe all relevant laws Decontaminate valves used in fluids posing a health hazard CAUTION Excessively long idle periods Damage to the valve Check the function by opening and closing the valve at least once or twice a year During prolonged shutdown periods ensure that the following conditions are met 1 Drain fluids which change their physical condi...

Page 23: ...ir maintenance work A regular maintenance schedule will help avoid expensive repairs and contribute to trouble free reliable operation of the valve with a minimum of servicing maintenance expenditure and work The user is responsible for defining appropriate intervals for checks and maintenance depending on the application of the valve NOTE All maintenance service and installation work can be carri...

Page 24: ...ting manual and or the product literature provided by the accessories manufacturers If problems occur that are not described in the following table consultation with the KSB service is required Table 8 Trouble shooting Problem Remedy Leakage at the seat disc interface Rework not possible Replace valve Leakage at the stem seal Rework not possible Replace valve Leakage at the pressure measurement co...

Page 25: ...ion 16 I Intended use 8 K Key to safety symbols markings 7 M Maintenance 23 Marking 13 Materials 14 O Operating data 13 Operating limits 8 Other applicable documents 6 P Piping 18 Preservation 11 Pressure temperature ratings 14 R Return to supplier 11 S Safety 8 Safety awareness 9 Scope of supply 16 Shutdown 22 Storage 11 T Transport 11 W Warnings 7 Warranty claims 6 ...

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Page 28: ...KSB SE Co KGaA Johann Klein Straße 9 67227 Frankenthal Germany Tel 49 6233 86 0 www ksb com 7130 8 01 EN ...

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