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EB 3128 EN

Malfunctions

Table 7:

Troubleshooting

Malfunction

Possible reasons

Recommended action

Flow rate ex-

ceeds adjusted

set point

Insufficient pressure pulses on the

operating diaphragm.

Clean the control line, needle valve and screw fittings.

Foreign particles blocking the plug

Remove foreign particles.

Replace damaged parts.

Contact SAMSON's After-sales Service department.

Seat and plug are worn or leak.

Replace the damaged seat and plug.

Contact SAMSON's After-sales Service department.

Regulator or K

coefficient too

large

Check the sizing.

Change K

coefficient, if necessary or install a different

sized regulator.

Contact SAMSON's After-sales Service department.

Defective operating diaphragm

Replace damaged operating diaphragm.

Flow set point

not reached.

Safety device, e.g. pressure limiter,

has been triggered.

Check plant.

Unlock safety device.

Plant differential pressure too low.

Compare differential pressure in the plant with the plant’s

drag.

Contact SAMSON's After-sales Service department.

Regulator or K

coefficient too small

Check the sizing.

Change K

coefficient, if necessary or install a different

sized regulator.

Contact SAMSON's After-sales Service department.

Foreign particles blocking the plug

Remove foreign particles.

Replace damaged parts.

Contact SAMSON's After-sales Service department.

Control line blocked

Clean the control line and screw fittings.

Strainer blocked.

Clean strainer.

Regulator installed against the flow.

Install the regulator so that the direction of flow matches

the direction indicated by the arrow on the body.

Control loop

hunts.

Regulator or K

coefficient too

large

Check the sizing.

Change K

coefficient, if necessary or install a different

sized regulator.

Contact SAMSON's After-sales Service department.

Содержание 45-9

Страница 1: ...Translation of original instructions EB 3128 EN Type 45 9 Flow Regulator Self operated Regulators Edition April 2019...

Страница 2: ...fter sales Service Department aftersalesservice samson de The mounting and operating instructions for the devices are included in the scope of delivery The latest documentation is available on our web...

Страница 3: ...d scope of application 14 4 Measures for preparation 19 4 1 Unpacking 19 4 2 Transporting and lifting 19 4 3 Storage 19 5 Mounting and start up 20 5 1 Preparation for installation 20 5 2 Checking the...

Страница 4: ...nd width across flats 35 7 6 Accessories and tools 35 7 7 Preparation for return shipment 36 7 8 Ordering spare parts and operating supplies 36 8 Malfunctions 36 9 Decommissioning and removal 38 9 1 D...

Страница 5: ...orces or any other external factors Refer to the technical data and nameplate for limits and fields of application as well as possible uses Reasonably foreseeable misuse The regulator is not suitable...

Страница 6: ...evice by the process medium the operating pressure or by moving parts by taking appropriate precautions They must observe all haz ard statements warning and caution notes in these mounting and operati...

Страница 7: ...rmity assessment procedure This EU declaration of conformity is included in the Appendix of these instructions see section 10 2 According to the ignition risk assessment performed in accordance with E...

Страница 8: ...in the process medium from all the plant sections concerned as well as the reg ulator If necessary a suitable overpressure protection must be installed on site in the plant section Wear personal prote...

Страница 9: ...ate list of the REACH regulation this circumstance is indicat ed on the SAMSON delivery note Information on safe use of the part affected see u www samson de reach en html 1 3 Notes on possible proper...

Страница 10: ...tools are required to work on the regulator Only use tools approved by SAMSON When in doubt consult SAMSON Incorrect control due to the formation of ice on the regulator Medium temperatures below 0 C...

Страница 11: ...erature in C 10 Max permissible differential pressure p in bar Fig 1 Nameplate 2 3 Material number The material designation can be found on the cast body or you can contact us the con figuration ID sp...

Страница 12: ...control line 11 The pressure downstream of the re striction 8 5 is transmitted through a hole in the plug to the downstream pressure side of the operating diaphragm The resulting dif ferential pressu...

Страница 13: ...le of operation PN 25 DN 15 to 25 11 4 3 5 6 15 6 1 2 1 4 1 8 5 8 2 8 3 8 6 8 8 1 8 4 8 7 7 3 6 3 1 11 1 PN 25 DN 32 to 50 11 4 3 6 3 5 6 15 6 1 2 1 8 5 8 4 8 3 8 6 8 8 1 8 2 8 7 7 3 3 1 5 11 1 Fig 4...

Страница 14: ...Nevertheless glycol reacts when it comes into contact with metals and causes acids to form We cannot prevent this reaction Therefore prevent it by using suitable inhibitors 2 Suitable for air and nit...

Страница 15: ...150 C 4 Permissible ambient temperature 0 to 50 C Compliance Flow rate set point ranges for water in m h Diff pressure at the restriction prestriction 0 2 bar 0 1 to 1 3 5 0 1 to 2 3 5 0 1 to 3 5 5 0...

Страница 16: ...pheroidal graphite iron EN GJS 400 18 LT 1 Seat Stainless steel 1 4305 Plug PN 25 Brass resistant to dezincification with EPDM 2 soft seal PN 16 Brass resistant to dezincification and plastic with EPD...

Страница 17: ...al drawings d R L L1 SW H H1 D H1 H D L3 Red brass valve with welding ends standard version Valve made of spheroidal graphite iron with flanges DN 32 40 and 50 A L L2 SW L L3 SW With threaded ends Wit...

Страница 18: ...5 5 6 With flanges 1 or with flanged body DN 32 to 50 Length L3 130 150 160 180 200 230 Weight approx kg 3 3 7 4 3 6 2 9 5 11 1 PN 16 25 The dimensions and weights of valves with flanged bodies DN 32...

Страница 19: ...to lift and install the de vice 1 Remove the packaging from the device 2 Dispose of the packaging in accordance with the valid regulations NOTICE Note 4 2 Transporting and lifting Due to the low serv...

Страница 20: ...ge temperature of 15 C for elastomers Store elastomers away from lubricants chemicals solutions and fuels SAMSON s After sales Service department can provide more detailed storage instruc tions on req...

Страница 21: ...ter the plant has been completed Do not attach supports to the regulator Possible malfunction and damage due to ad verse weather conditions temperature hu midity Do not install the device outdoors or...

Страница 22: ...alve body The filter element must be installed to hang downward Install strainers in vertical pipelines with the medium flowing upward with the drain plug facing upward Allow sufficient space to remov...

Страница 23: ...off valves upstream and downstream of the regulator while the regulator is being installed 2 Remove the protective caps from the valve ports if fitted before installing the valve 3 Make sure that the...

Страница 24: ...it if necessary If the regulator malfunctions due to clogging after flushing the pipeline proceed as de scribed in Table 7 6 1 3 Pressure test Risk of damage to the diaphragm actuator due to impermiss...

Страница 25: ...the set point See Fig 4 and Fig 3 Set point adjustment is always based on a closed restriction 1 2 How to proceed 1 To achieve the maximum flow rate all control and shut off valves as well as all cons...

Страница 26: ...nt can be adjusted directly using the scaled cap one marked scale division corresponds to one turn of the set point screw Fig 7 Type 45 9 with scaled cap for set point adjustment Flow rate 1 2 3 4 5 6...

Страница 27: ...0 1 to 3 6 0 1 to 4 2 0 3 to 10 0 4 to 12 5 0 4 to 15 0 3 bar 0 1 to 3 0 1 to 5 2 Special versions 3 KVS coefficient with flanged valve body Flow rate 1 2 3 4 5 6 7 8 9 10 11 0 01 0 02 0 03 0 05 0 1 0...

Страница 28: ...7 8 9 10 11 0 1 0 2 0 3 0 5 1 2 3 4 5 6 7 8 9 10 15 V m3 h DN 15 KVS 4 DN 25 KVS 8 DN 40 KVS 16 20 3 DN 50 KVS 20 25 3 Turns of the set point screw or scale divisions One scale division One turn of th...

Страница 29: ...ons concerned as well as the regulator Drain the process medium from all the plant sections concerned as well as the regulator If necessary a suitable overpressure pro tection must be installed on sit...

Страница 30: ...nt Note Tip Risk of regulator damage due to the use of unsuitable tools Only use tools approved by SAMSON Risk of regulator damage due to the use of unsuitable lubricants Only use lubricants approved...

Страница 31: ...ulator into the pipeline 4 Put the regulator into operation see sec tion 6 1 Note 7 1 Replacing the restriction Risk of regulator damage due to excessively high or low tightening torques Observe the s...

Страница 32: ...W 19 SAMSON order no 1280 3001 NOTICE NOTICE Note SAMSON s After sales Service department can support you concerning lubricant tightening torques and tools approved by SAMSON Disassembly 1 Put the reg...

Страница 33: ...7 5 7 Screw on the control line 11 Observe the tightening torques specified in sec tion 7 5 8 Install the regulator into the pipeline 9 Put the regulator into operation see sec tion 6 1 7 3 Replacing...

Страница 34: ...hragm 6 1 with diaphragm case 7 onto the valve body 1 3 Tighten the screws 15 in a crisscross pattern Observe the tightening torques specified in section 7 5 4 Screw on the control line 11 Observe the...

Страница 35: ...l 22 Nm Screws 15 SW 10 DN 15 to 32 8 Nm SW 13 DN 40 to 50 18 Nm 7 6 Accessories and tools Table 6 Order numbers for accessories and tools Valve size DN 15 DN 20 DN 25 DN 32 DN 40 DN 50 Welding ends 1...

Страница 36: ...ion on spare parts lubri cants and tools 8 Malfunctions The malfunctions listed in Table 7 are caused by mechanical faults and incorrect regulator sizing In the simplest case the functioning can be re...

Страница 37: ...ice e g pressure limiter has been triggered Check plant Unlock safety device Plant differential pressure too low Compare differential pressure in the plant with the plant s drag Contact SAMSON s After...

Страница 38: ...ear personal protective equipment Risk of personal injury due to residual pro cess medium in the regulator and control line While working on the regulator and control line residual process medium can...

Страница 39: ...SAMSON s After sales Service de partment for support concerning service or repair work or when malfunctions or defects arise E mail address You can reach the After sales Service De partment at aftersa...

Страница 40: ...40 EB 3128 EN Appendix 10 2 Spare parts 181 8 186 187 156 117 129 114 192 180 185 186 187 5 30 160 159 31 34 158 2 65 66 134 135 27 129 190 191 110 7 207 116 155 255 Fig 11 Spare parts for Type 45 9...

Страница 41: ...ring 66 Compression spring 110 Diaphragm case 114 Hex screw 116 Pipe 117 Pipe 129 Diaphragm case 134 O ring 135 O ring 155 Screw fitting 156 Screw fitting 158 Threaded ends 159 Seal 160 Body assembly...

Страница 42: ...without 1 A 2 3 H Class 300 ohne without 1 H Class 600 und Class 900 ohne without 1 H 1 Das auf dem Stellger t aufgebrachte CE Zeichen hat keine G ltigkeit im Sinne der Druckger terichtlinie The CE ma...

Страница 43: ...160 ohne without 1 H Class 150 ohne without 1 A 2 3 H Class 300 ohne without 1 A 2 3 H Class 600 und Class 900 ohne without 1 H 1 Das auf dem Stellger t aufgebrachte CE Zeichen hat keine G ltigkeit i...

Страница 44: ...2019 05 08 English SAMSON AKTIENGESELLSCHAFT Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samson de www samson de EB 3128 EN...

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