Samson 3525 Page 49 Mounting And Operating Instructions Download

Page: 49 / 56

EB 8823 EN

Decommissioning and disassembly

Version with threaded ends

1. Put the control valve out of operation (see

section 9.1).

2. Unscrew the valve from the pipeline.
3. Remove the valve from the pipeline (see

section 4.2).

9.3

Removing the actuator

from the valve

See associated actuator documentation.

9.4

Disposal

Observe local, national and internation

al refuse regulations.

Do not dispose of components, lubricants

and hazard substances together with
your other household waste.

Summary of Contents for 3525

Page 1: ...Mounting and Operating Instructions EB 8823 EN Original instructions Edition March 2017 Type 3525 Globe Valve In combination with an actuator such as SAMSON Type 3571 Pneumatic Actuator ANSI version...

Page 2: ...will result in death or serious injury Hazardous situations which if not avoided could result in death or serious injury Property damage or malfunction Additional information Recommended action DANGE...

Page 3: ...packing 20 4 2 Transporting and lifting 20 4 2 1 Transporting 21 4 2 2 Lifting 21 4 3 Storage 23 4 4 Preparation for installation 24 5 Mounting and start up 26 5 1 Mounting the actuator onto the valve...

Page 4: ...ation for return shipment 44 7 4 Ordering spare parts and operating supplies 45 8 Malfunctions 46 8 1 Troubleshooting 46 8 2 Emergency action 47 9 Decommissioning and disassembly 48 9 1 Decommissionin...

Page 5: ...ts intended purpose or for damage caused by external forces or any other external factors Refer to the technical data and nameplate for limits and fields of application as well as possible uses Reason...

Page 6: ...arning against residual hazards To avoid personal injury or property damage plant operators and operating personnel must prevent hazards that could be caused in the control valve by the process medium...

Page 7: ...sonal protective equipment 1 2 Notes on possible personal injury WARNING Crush hazard arising from moving parts The control valve contains moving parts actuator and plug stems which can injure hands o...

Page 8: ...If possible drain the process medium from all the plant sections concerned and the valve Wear protective clothing gloves and eyewear Risk of burn injuries due to hot or cold components and pipelines D...

Page 9: ...ve is designed for a process medium with defined properties Only use the process medium specified for sizing the valve Risk of leakage and valve damage due to excessively high or low tightening torque...

Page 10: ...re rating Cl 12 For Intermediate Rating Standard Class pressure and lower temperature limit For other pressure ratings lower temperature limit 13 Flow coefficient 14 Characteristic equal percentage Li...

Page 11: ...ten on them Specifying this article number you can contact us to find out which material is used Additionally a seat code is used to identify the trim material This seat code is specified on the namep...

Page 12: ...e act ing on the diaphragm in the actuator to in crease The springs are compressed De pending on the selected direction of action the actuator stem retracts or extends As a result the plug position in...

Page 13: ...5 Packing 11 12 16 16 V ring packing 17 O ring 29 Plug head 36 Plug stem 60 Yoke assembly with travel indicator 82 83 84 82 Screw 83 Hanger 84 Travel indicator scale 127 Seat ring gasket 224 Tab washe...

Page 14: ...y the springs Actuator stem retracts When the signal pressure is reduced or the air supply fails the springs move the actua tor stem upwards and open the valve The valve closes when the signal pressur...

Page 15: ...class according to ANSI FCI 70 2 is IV for all sealing materials of the seat plug sealing see pos 12 on name plate ME ST TC Noise emission SAMSON is unable to make general state ments about noise emis...

Page 16: ...mm 210 210 286 289 230 337 340 Class 900 in 10 75 10 75 6 26 13 39 13 50 9 06 15 24 15 35 mm 273 273 159 340 343 230 387 390 Class 1500 in 10 75 10 75 6 10 13 39 13 50 9 06 15 98 16 10 mm 273 273 155...

Page 17: ...n NPT NPT L Class 600 in mm Class 900 in 4 69 4 69 1 mm 119 119 1 Class 1500 Class 1700 in mm H1 in 6 18 6 18 mm 157 157 H2 in 1 69 2 36 1 mm 43 60 1 1 Length without threaded stopper This length can...

Page 18: ...4 60 6 83 8 kg 15 6 27 5 38 NPT lbs 44 1 kg 20 Class 900 RF RTJ lbs 45 2 90 4 91 5 108 0 kg 20 5 41 41 5 49 NPT lbs 9 5 11 0 27 6 44 1 kg 4 3 5 12 5 20 Class 1500 RF RTJ lbs 45 2 90 4 91 5 135 6 kg 2...

Page 19: ...EB 8823 EN 19...

Page 20: ...rotective caps fitted on the valve s inlet and outlet prevent foreign particles from en tering the valve and damaging it Do not remove the protective caps until im mediately before installing the valv...

Page 21: ...ing The control valve can be transported using lifting equipment e g crane or forklift Leave the control valve in its transport container or on the pallet to transport it Observe the transport instruc...

Page 22: ...ontrol valves with 116 in 750 cm actuators The sling only protects the control valve from tilting while being lifted Before lifting the control valve tighten the sling Version with flanges or threaded...

Page 23: ...r stor age Observe storage instructions Avoid long storage times Contact SAMSON in case of different stor age conditions or longer storage times We recommend regularly checking the con trol valve and...

Page 24: ...rator is responsible for clean ing the pipelines Observe the maximum permissible pressure for both the valve and plant Check the valve to make sure it is clean Check the valve for damage Check to make...

Page 25: ...EB 8823 EN 25...

Page 26: ...range of the actuator see associated actuator documentation 5 2 Installing the valve into the pipeline 5 2 1 Checking the installation conditions Pipeline routing The inlet and outlet lengths vary dep...

Page 27: ...a 0 3 1 2 4 0 3 Ma 0 7 1 2 10 Saturated steam percentage of con densate 5 2 20 Liquid Free of cavitation w 33 ft s w 10 m s 2 4 Cavitation producing noise w 10 ft s w 3 m s 2 4 Cavitation producing no...

Page 28: ...dditional fittings Strainer For certain applications an additional strain er can be installed in order to reduce exces sive wear Insulation Do not insulate valves mounted to comply with NACE MR 0175 r...

Page 29: ...low in the pipe line Risk of valve damage due to a sudden pres sure increase and resulting high flow veloci ties Slowly resume medium flow during start up 3 Check the valve for leakage to the atmo sph...

Page 30: ...bleed longer than necessary Operating disturbed by a blocked actuator and plug stem Do not impede the movement of the actuator or plug stem by inserting objects into their path 6 1 Reversing the flow...

Page 31: ...EB 8823 EN 31...

Page 32: ...ections concerned as well as the valve Wear personal protective equipment Risk of personal injury due to sudden escape of process medium The valve has a safety bleed to detect dam aged or worn O rings...

Page 33: ...d The product warranty becomes void if maintenance or repair work not described in these instructions is performed without prior agreement by SAMSON s After sales Service department Only use original...

Page 34: ...cking 17 O ring 29 Plug head 36 Plug stem 60 Yoke assembly with travel indicator 82 83 84 82 Screw 83 Hanger 84 Travel indicator scale 127 Seat ring gasket 224 Tab washer A28 Stem connector clamp Fig...

Page 35: ...e a new tab washer 224 onto the bonnet 2 Make sure that the flap points towards the valve front see Fig 9 and that the anchorages are inserted in the corresponding boreholes 8 Place bonnet 2 with plug...

Page 36: ...tool on the flats 5 Remove stem connector clamp A28 See associated actuator documentation It is not necessary to completely remove the actuator from the valve to replace the pack ing 6 Pull the plug w...

Page 37: ...mage Replace O rings if necessary see section 7 1 1 14 Apply a suitable lubricant to the bonnet 2 15 Place a new tab washer 224 onto the bonnet 2 16 Screw bonnet 2 with plug and plug stem 5 into the b...

Page 38: ...ce O rings 17 as described in section 7 1 1 5 Unscrew the seat 4 using a suitable tool 6 Remove seat ring gasket 127 from the body 1 and carefully clean the sealing face Insert a new seat ring gasket...

Page 39: ...S 2 to 3 17 8 NPS 1 147 5 NPS 2 to 3 590 NPS 1 200 NPS 2 to 3 800 Plug head 29 plug stem 36 Crowfoot wrench Plug head 7 8 Plug stem 9 16 14 75 20 18 Screw bonnet 2 with plug and plug stem 5 into the b...

Page 40: ...ightening torques 7 2 2 Replacing the packing Risk of valve damage due to abrasion The plug and seat facings are very sensitive Before unscrewing the bonnet from the body apply a signal pressure to th...

Page 41: ...7 Guide bushing 11 Spring 12 Washer 15 Packing 11 12 16 16 V ring packing 17 O ring 29 Plug head 36 Plug stem 92 Lock nut 112 Screw plug 127 Seat ring gasket A7 Actuator stem A16 Vent plug A28 Stem co...

Page 42: ...y 1 Ob serve tightening torques 15 Mount stem connector clamp A28 and adjust travel See associated actuator documentation 7 2 3 Replacing the seat and plug Risk of damage to the facing of the seat and...

Page 43: ...n 7 2 2 15 Apply a suitable lubricant to the bonnet 2 16 Screw bonnet 2 with yoke 3 and plug with plug stem 5 into the body 1 Ob serve tightening torques Tungsten carbide or ceramic plug 1 Remove stem...

Page 44: ...hich can be downloaded from the SAMSON AG website at u www samson de Services Check lists for after sales service Declaration on Contamination 4 Send the valve together with the filled in form to your...

Page 45: ...rating supplies Spare Parts See section 10 3 for details on spare parts Lubricants Details on suitable lubricants can be found in the parts list For further information contact your nearest SAMSON sub...

Page 46: ...he signal pressure Check the signal pressure line for leakage Actuator or plug stem does not move through the whole range Signal pressure too low Check the signal pressure Check the signal pressure li...

Page 47: ...Contact SAMSON s After sales Service department for malfunctions not listed in the table Note 8 2 Emergency action Upon supply air or control signal failure the valve moves to its fail safe position...

Page 48: ...cess medium in the valve While working on the valve residual process medium can escape and depending on its properties may lead to personal injury e g chemical burns Wear protective clothing gloves a...

Page 49: ...w the valve from the pipeline 3 Remove the valve from the pipeline see section 4 2 9 3 Removing the actuator from the valve See associated actuator documentation 9 4 Disposal Observe local national an...

Page 50: ...nd service facilities worldwide can be found on the SAMSON website in all SAMSON product catalogs or on the back of these Mounting and Operat ing Instructions Required specifications Please submit the...

Page 51: ...EB 8823 EN 51...

Page 52: ...e bushing 11 Spring 12 Washer 15 Packing 11 12 16 16 V ring packing 17 O ring 29 Plug head 36 Plug stem 60 Yoke assembly with travel indicator 82 83 84 82 Screw 83 Hanger 84 Travel indicator scale 91...

Page 53: ...EB 8823 EN 53 Appendix 84 83 82 29 36 60 5 2 17 11 7 16 224 12 4 1 91 1 15 127 91 244 Standard version Type 3525 Globe Valve...

Page 54: ...4 Seat 5 Plug 29 36 7 Guide bushing 11 Spring 12 Washer 15 Packing 11 12 16 16 V ring packing 17 O ring 29 Plug head 36 Plug stem 60 Yoke assembly with travel indicator 82 83 84 82 Screw 83 Hanger 84...

Page 55: ...EB 8823 EN 55 Appendix 1 91 112 83 3 84 82 2 17 16 7 4 127 1 91 29 11 36 92 60 12 5 15 5 221 4 Compact version Type 3525 Globe Valve and T pattern Valve...

Page 56: ...SAMSON CONTROLS INC 4111 Cedar Boulevard Baytown Texas 77523 8588 Phone 1 281 383 3677 Fax 1 281 383 3690 samson samsongroupna com www samsoncontrols com EB 8823 EN 2017 03 15 English...

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