Samson 2479 Mounting And Operating Instructions Download Page 34

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5-6

EB 3132-3 EN

Installation

2 7

–

1 Shut-off valve
2 Strainer
3

Type 2479/2430

4 Thermometer
5 Pressure gauge
6 Temperature sensor
7

Control line

8 Shut-off valve

Fig. 5-2:

Type 2479/2430 (installation example)

Correct

min.

3 x DN

min.

3 x DN

min.

3 x DN

Connection at the side – optimal

Incorrect

Connection at the top – incorrect position

Incorrect

DN = Valve size

Control line connection, depending on how the pipeline

is routed and depending on the components

Connection at the bottom – incorrect position

Fig. 5-3:

Control line connection

Summary of Contents for 2479

Page 1: ...Translation of original instructions EB 3132 3 EN Type 2479 2430 Differential Pressure and Temperature Regulator with Flow Limitation Self operated Regulators Edition June 2020...

Page 2: ...g and operating the device safely The instructions are binding for handling SAMSON devices The images shown in these instructions are for illustration purposes only The actual product may vary For the...

Page 3: ...al fittings 3 4 3 2 Technical data 3 5 4 Shipment and on site transport 4 1 4 1 Accepting the delivered goods 4 1 4 2 Removing the packaging from the regulator 4 1 4 3 Transporting and lifting the reg...

Page 4: ...ctuator s operating diaphragm 9 5 9 3 3 Replacing the control thermostat 9 6 9 4 Ordering spare parts and operating supplies 9 6 10 Decommissioning 10 1 11 Removal 11 1 11 1 Removing the control therm...

Page 5: ...n specified contact SAMSON SAMSON does not assume any liability for damage resulting from the failure to use the de vice for its intended purpose or for damage caused by external forces or any other e...

Page 6: ...e process medium the operating pressure or by moving parts by taking appropriate precautions Plant operators and operat ing personnel must observe all hazard statements warning and caution notes in th...

Page 7: ...the operator Responsibilities of operating personnel Operating personnel must read and understand these mounting and operating instructions as well as the referenced documents and observe the specifi...

Page 8: ...ittings e g shut off valves pressure gauges etc 1 1 Notes on possible severe personal injury DANGER Risk of bursting in pressure equipment Regulators and pipelines are pressure equipment Impermissible...

Page 9: ...bels Risk of hearing loss or deafness due to loud noise The noise emissions depend on the valve version plant facilities and process medium Wear hearing protection when working near the valve Follow t...

Page 10: ...elivery note Information on safe use of the part affected u www samsongroup com en about samson material compliance reach regulation Risk of personal injury due to residual process medium in the regul...

Page 11: ...ore start up Risk of regulator damage due to the use of unsuitable lubricants The lubricants to be used depend on the regulator material Unsuitable lubricants may corrode and damage surfaces Only use...

Page 12: ...ioning of the plug or control thermostat stem guide Prevent the formation of ice by taking appropriate precautions e g enclosure trace heater etc The plant operator is responsible for selecting and im...

Page 13: ...idal graphite iron Nameplate for Type 2479 Valve 1 Order number or year of manufacture 2 Type designation 3 Model number and material number 4 Flow rate set point range in m h 5 Differential pressure...

Page 14: ...Type 2430 Control Thermostat 2 3 5 6 2004 0062 4 1 1 Model number 2 Type designation 3 Material number 4 CE marking 5 Temperature range in C and F 6 Register number type test according to DIN EN 1459...

Page 15: ...device 2 3 Location of the nameplate on valve and control thermostat Red brass body Spheroidal graphite iron body Location of the nameplate Location of the nameplate Top view Type 2430 Fig 2 3 Locatio...

Page 16: ...l number you can contact us to find out more details This is specified on the nameplate item 3 For more details on the nameplate see sec tion 2 1 2 4 2 Type 2430 Control Thermostat Specifying the mate...

Page 17: ...direction indicated by the arrow on the valve body The flow rate is determined by the ar ea released by the plug 3 and the adjust able restriction 1 2 The high pressure of the plant flow pipe is tran...

Page 18: ...3 2 EB 3132 3 EN Design and principle of operation 14 13 12 11 1 1 2 1 1 2 3 4 5 6 1 7 6 8 10 20 24 25 21 22 23 26 26 Fig 3 1 Functional diagram of regulator DN 32 to 50...

Page 19: ...1 2 Restriction 2 Seat 3 Guide nipple with plug section 4 Plug stem 5 Set point spring 6 Actuator 6 1 Operating diaphragm unit 6 2 Overload protection 6 3 Actuator cover 7 Housing screws 8 Pin of ope...

Page 20: ...and repair work on the regulator 5 5 6 2 7 1 8 3 4 pmin Minimum differential pressure across the valve in bar prestriction Differential pressure created at the restriction for measuring the flow rate...

Page 21: ...ety valve If necessary a suitable over pressure protection must be installed on site in the plant section Note Note 3 2 Technical data The valve and control thermostat nameplates provide information o...

Page 22: ...1 The minimum tem perature is limited by the accessories used and the actuator s diaphragm material u T 3132 Noise emissions SAMSON is unable to make general state ments about noise emissions The nois...

Page 23: ...18 LT 2 Special version Table 3 2 Flow rate set point ranges Flow rate set point ranges V for water in m h pset point pplant prestriction pplant Calculation for plant prestriction Differential pressur...

Page 24: ...20 K above the adjusted set point Max permissible pressure at sensor with thermowell 40 bar Capillary tube length 5 m 2 m 2 1 At temperatures below freezing ice formation may damage the plant and esp...

Page 25: ...ersion with welding ends Length L1 mm 210 234 244 268 294 330 Weight kg ap prox 2 4 2 5 2 7 6 1 6 6 7 1 Version with threaded ends Length L2 mm 129 144 159 192 206 228 Male thread A G G G 1 G 1 G 1 G...

Page 26: ...ntrol thermostat DN 15 to 25 with welding ends DN 32 to 50 with welding ends L1 L H H1 d R S L FT L FT dT dF D SW L1 L H H1 d R S L FT L FT dT dF Thermowell Packing Thermowell Packing L2 L A SW L3 L S...

Page 27: ...owell of the regula tor are delivered separately Proceed as follows to lift and install the valve Do not open or remove the packaging until immediately before lifting to install the regulator into the...

Page 28: ...he corrosion protection paint surface coatings Repair any damage immediately Protect the regulator against moisture and dirt Store it at a relative humidity of less than 75 In damp spaces prevent cond...

Page 29: ...at the regulator functions proper ly proceed as follows Observe the inlet and outlet lengths see Table 5 2 Contact SAMSON if the reg ulator conditions or state of the medium process deviate Install th...

Page 30: ...rew gland of the sensor Installation with thermowell When a thermowell is used a welding sock et with G 1 female thread must be used 1 Seal the thermowell into the welding socket 2 Insert the sensor a...

Page 31: ...plant engineering company is responsi ble for selecting and implementing a suitable support or suspension of the installed regula tor and the pipeline Note Note Note Depending on the regulator version...

Page 32: ...es type designation valve size material pressure rating and tem perature range match the plant condi tions size and pressure rating of the pipeline medium temperature etc See the Markings on the devic...

Page 33: ...s Without thermowell With thermowell Adsorption principle 9 5 mm 15 40 16 mm 30 80 Air sensor 8 1 1 Thermowell not possible Table 5 2 Inlet and outlet lengths DN min b x DN min a x DN a Inlet length...

Page 34: ...alve Fig 5 2 Type 2479 2430 installation example Correct M DN min 3 x DN min 3 x DN min 3 x DN Connection at the side optimal Incorrect Connection at the top incorrect position Incorrect DN Valve size...

Page 35: ...Lubricants in Annex NOTICE NOTICE NOTICE 5 3 1 Installing the regulator The regulator can be installed into the down stream pressure pipe return flow pipe or the upstream pressure pipe flow pipe of th...

Page 36: ...quip ment that may burst when handled incor rectly Flying projectile fragments or the re lease of process medium under pressure can cause serious injury or even death Before working on the regulator D...

Page 37: ...stalled upstream of the regulator 2 Apply the required test pressure 3 Check the regulator for leakage to the at mosphere 4 Check the screw gland of the sensor or thermowell for leakage WARNING Tip 5...

Page 38: ...3 Insulate the regulator and pipes convey ing the process medium using insulation material with a water vapor barrier If a control line is to be routed through the insulation special care must be take...

Page 39: ...ashing may occur during operation caused by the process medium and the operating condi tions Wear hearing protection when working near the valve Follow the instructions given by the plant operator DAN...

Page 40: ...Starting up the plant 1 Open the shut off valves slowly prefera bly starting from the upstream pressure side Afterwards open all the valves on the consumer side downstream of the regulator 2 Fill the...

Page 41: ...e instructions given by the plant operator WARNING WARNING WARNING 7 1 Adjusting the set points The flow rate and temperature can be adjust ed separately from each other 7 2 Adjustment of the flow rat...

Page 42: ...ole 26 and lead seal it to fix the ad justed flow rate Risk of damage to the restriction stem through one side loading DN 15 to 25 while turning the adjustment screw clock wise Completely close the re...

Page 43: ...e at the restriction is assumed to be 0 2 bar Fig 7 1 shows an example of flow rate adjustment Note Note Note 7 3 Adjusting the temperature Adjust the set point by turning the black plastic ring set p...

Page 44: ...to the right and results in point B Point B is situated on the same straight line for the differential pressure of 0 6 bar to be set A vertical line is drawn from point B until it reaches the limitin...

Page 45: ...4 0 66 0 78 0 90 1 02 1 14 0 4 0 2 0 5 DN 15 Kvs 0 4 DN 15 Kvs 1 E Pressure loss across the plant p in bar Fixed differential pressure set point Limitation Turns of the set point adjuster scale divisi...

Page 46: ...6 5 4 3 2 1 0 06 0 18 0 30 0 42 0 54 0 66 0 78 0 90 1 02 1 14 0 4 0 2 0 5 DN 15 Kvs 0 4 DN 15 Kvs 1 Pressure loss across the plant p in bar Turns of the set point adjuster scale divisions Flow range D...

Page 47: ...2 1 0 4 1 2 2 0 2 8 3 6 4 4 5 2 6 0 6 8 7 6 0 4 0 2 DN 15 Kvs 2 5 DN 15 Kvs 4 DN 20 Kvs 6 3 DN 25 Kvs 8 Pressure loss across the plant p in bar Turns of the set point adjuster scale divisions Flow ra...

Page 48: ...5 4 3 2 1 0 7 2 1 3 5 4 9 6 3 7 7 9 1 0 4 0 2 DN 32 Kvs 12 5 DN 40 Kvs 16 201 DN 50 Kvs 20 251 Pressure loss across the plant p in bar Turns of the set point adjuster scale divisions Flow range Diffe...

Page 49: ...trol task flow rate or too small differential pressure Check the sizing Change KVS CV coefficient if necessary or in stall a different sized regulator Contact SAMSON s After sales Service Defective op...

Page 50: ...ign particles blocking the plug Remove foreign particles Replace damaged parts Contact SAMSON s After sales Service Control line blocked Clean the control line and screw fittings Strainer blocked Clea...

Page 51: ...e where idle times or heat buildup can occur Loud noises High flow velocity cavitation Check the sizing Install larger regulator if necessary Contact SAMSON s After sales Service for malfunctions not...

Page 52: ...lator malfunction 1 Close the shut off valves upstream and downstream of the regulator to stop the process medium from flowing through the regulator 2 Perform troubleshooting see sec tion 8 1 3 Rectif...

Page 53: ...of burn inju ries Allow components and pipelines to cool down or warm up to the ambient tem perature Wear protective clothing and safety gloves WARNING Risk of personal injury due to residual pro cess...

Page 54: ...9 1 Preparing the valve for service work 1 Lay out the necessary material and tools to have them ready for the service work 2 Put the regulator out of operation see the Decommissioning section We rec...

Page 55: ...EB 3132 3 EN 9 3 Servicing 14 13 12 11 1 1 2 1 1 2 3 4 5 6 1 7 6 8 10 20 24 25 21 22 23 26 26 Fig 9 1 Functional diagram of regulator DN 32 to 50...

Page 56: ...tion 2 Seat 3 Guide nipple with plug section 4 Plug stem 5 Set point spring 6 Actuator 6 1 Operating diaphragm unit 6 2 Overload protection 6 3 Actuator cover 7 Housing screws 8 Pin of operating eleme...

Page 57: ...20 4 Remove the valve from the pipeline Tip 5 Clamp the valve into a suitable fixture 6 Unscrew nuts and bolts 7 from the actu ator 6 Remove the actuator case 6 3 7 Lift the operating diaphragm unit...

Page 58: ...more information on tools 9 3 3 Replacing the control thermostat Removing the control thermostat 1 Put the regulator out of operation see the Decommissioning section 2 Unscrew the coupling nut 10 fro...

Page 59: ...e may become very hot or cold Risk of burn inju ries Allow components and pipelines to cool down or warm up to the ambient tem perature Wear protective clothing and safety gloves DANGER WARNING Risk o...

Page 60: ...Close the shut off valve 1 on the up stream side of the regulator 2 Close the shut off valve 6 on the down stream side of the regulator 3 Completely drain the pipelines and valve 4 Depressurize the p...

Page 61: ...erties may lead to personal in jury e g chemical burns Wear protective clothing safety gloves and eye protection Before removing the valve make sure the fol lowing conditions are met The regulator is...

Page 62: ...11 2 EB 3132 3 EN...

Page 63: ...After sales Service 5 Send an e mail u retouren samsongroup com to regis ter the return shipment including the fol lowing information NOTICE NOTICE Type Material number Item numbers of accessories Ori...

Page 64: ...12 2 EB 3132 3 EN...

Page 65: ...EB 3132 3 EN 13 1 Disposal 13 Disposal Observe local national and internation al refuse regulations Do not dispose of components lubricants and hazardous substances together with your household waste...

Page 66: ...13 2 EB 3132 3 EN...

Page 67: ...3 EN 14 1 Certificates 14 Certificates The EU declarations of conformity are inclu ded on the next pages EU declaration of conformity in compli ance with Pressure Equipment Directive 2014 68 EU on pa...

Page 68: ...150 ohne 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...

Page 69: ...EB 3132 3 EN 14 3 Certificates...

Page 70: ...14 4 EB 3132 3 EN...

Page 71: ...e in Nm Body screws 7 SW 10 DN 15 to 25 8 DN 32 18 SW 13 DN 40 and 50 Coupling nut 10 SW 36 DN 15 to 50 20 Control line connection 11 DN 15 to 50 22 15 2 Lubricant SAMSON s After sales Service can sup...

Page 72: ...ig 15 1 Type 2479 Valve DN 15 to 25 15 4 Spare parts Legend for Fig 15 1 and Fig 15 2 2 Plug 4 Lock nut 7 Restriction 27 Stopper 30 Body 34 Seat 54 Guide bushing 110 Diaphragm case 129 Screws 134 Seal...

Page 73: ...EB 3132 3 EN 15 3 Annex 185 182 186 30 4 31 2 129 7 54 188 134 27 220 110 Fig 15 2 Type 2479 Valve DN 32 to 50...

Page 74: ...s subsidiaries representatives and service facilities world wide can be found on our website u www samsongroup com or in all SAMSON product catalogs Required specifications Please submit the following...

Page 75: ...EB 3132 3 EN...

Page 76: ...EB 3132 3 EN...

Page 77: ...EB 3132 3 EN...

Page 78: ...21 07 26 English SAMSON AKTIENGESELLSCHAFT Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samsongroup com www samsongroup com EB 3132 3 EN EB 3132 3 E...

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