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EB 8257 EN

Safety instructions and measures

1.1 Notes on possible severe personal injury

DANGER

Risk of bursting in pressure equipment.

Control valves and pipelines are pressure equipment. Improper opening can lead to

valve components bursting.

Before starting any work on the control valve, depressurize all plant sections

concerned as well as the valve.

Drain the process medium from all the plant sections concerned as well as the
valve.

Wear personal 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 or fingers if inserted into the valve.

Do not insert hands or fingers into the yoke while the valve is in operation.

While working on the control valve, disconnect and lock the pneumatic air supply as

well as the control signal.

Risk of personal injury when the actuator vents.

While the valve is operating, the actuator may vent during closed-loop control or when

the valve opens or closes.

Install the control valve in such a way that the actuator does not vent at eye level.

Use suitable silencers and vent plugs.

Wear eye protection when working in close proximity to the control valve.

Содержание 3286

Страница 1: ...ing Instructions EB 8257 EN Translation of original instructions Edition March 2017 Type 3286 Steam Conditioning Valve In combination with an actuator e g a SAMSON Type 3271 or Type 3277 Pneumatic Act...

Страница 2: ...partment 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 website www samson de Pr...

Страница 3: ...hnical data 16 4 Measures for preparation 20 4 1 Unpacking 20 4 2 Transporting and lifting 20 4 2 1 Transporting 21 4 2 2 Lifting 21 4 3 Storage 24 4 4 Preparation for installation 25 5 Mounting and s...

Страница 4: ...7 7 Preparation for return shipment 44 7 8 Ordering spare parts and operating supplies 44 8 Malfunctions 46 8 1 Troubleshooting 46 8 2 Emergency action 47 9 Decommissioning and disassembly 48 9 1 Dec...

Страница 5: ...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 Reasonably foreseeable misuse The...

Страница 6: ...r property damage plant operators and operating personnel must prevent hazards that could be caused in the control valve by the process medium the operating pressure the signal pressure or by moving p...

Страница 7: ...5 2 the non electrical control valves do not have their own potential ignition source even in the rare incident of an operating fault As a result they do not fall within the scope of Directive 2014 3...

Страница 8: ...RNING Crush hazard arising from moving parts The control valve contains moving parts actuator and plug stems which can injure hands or fingers if inserted into the valve Do not insert hands or fingers...

Страница 9: ...roperties may lead to personal injury e g chemical burns If possible drain the process medium from all the plant sections concerned and the valve Wear protective clothing safety gloves and eyewear Ris...

Страница 10: ...on tightening control valve components Excessively tightened torques lead to parts wearing out quicker Parts that are too loose may cause leakage Observe the specified tightening torques u AB 0100 Ri...

Страница 11: ...EB 8257 EN 11...

Страница 12: ...of manufacture 10 Valve size DIN DN ANSI NPS 11 Pressure rating DIN PN ANSI CL 12 Order no with modification index For after sales service orders AA prefix 13 Position in order For after sales service...

Страница 13: ...ted actuator documentation 2 3 Material number The seat and plug of the valves have an article number written on them Specifying this article number you can contact us to find out which material is us...

Страница 14: ...and determines the flow rate through the valve and the pres sure p2 as well The cooling water is fed to the flow divider 62 through the connecting pipe on the bon net 2 and holes in the clamping elem...

Страница 15: ...t 15 Packing 17 Body gasket 62 Flow divider ST 3 63 Clamping element 84 Travel indicator scale 92 Castellated nut A4 Diaphragm A7 Actuator stem A8 Ring nut A10 Spring A26 27 Stem connector clamps S Si...

Страница 16: ...different size but with the same travel Observe the maximum permissible actu ator force If the travel range of the actuator is larger than the travel range of the valve the spring assembly in the actu...

Страница 17: ...4 to 428 F 10 to 220 C Up to 660 F up to 350 C with high temperature packing Body with Insulating section 20 to 800 F 29 to 427 C 20 to 932 F 29 to 500 C Valve plug Standard Metal seal 20 to 932 F 29...

Страница 18: ...or Type 3271 Actuator with 1400 60 cm actuator area L2 L2 H6 L3 H8 H4 Type 3286 Valve with flanges Table 2 Dimensions for Type 3286 Valve Face to face dimensions according to ANSI ISA 75 08 01 for Cla...

Страница 19: ...m in 18 90 18 90 18 90 19 81 19 81 19 81 19 81 mm 480 480 480 503 503 503 503 2800 cm in 18 90 18 90 18 90 19 81 19 81 25 60 25 60 mm 480 480 480 503 503 650 650 2 x 2800 cm in 18 90 18 90 18 90 19 81...

Страница 20: ...e valve The protective 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 instal...

Страница 21: ...ntrol 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 instructions Tran...

Страница 22: ...the pipeline is always horizontal during lifting and the axis of the plug stem is always vertical Make sure that the additional sling be tween the lifting eyelet eyebolt and rig ging equipment hook s...

Страница 23: ...peline holds 7 Remove slings Version with welding ends 1 Attach one sling to each welding end of the body and to the rigging equipment e g hook of the crane or forklift see Fig 4 2 Secure the slings a...

Страница 24: ...ess than 75 In damp spaces prevent condensation If necessary use a drying agent or heating Make sure that the ambient air is free of acids or other corrosive media The permissible storage temperature...

Страница 25: ...o make sure that the type desig nation valve size material pressure rat ing and temperature range of the valve match the plant conditions size and pressure rating of the pipeline medium temperature et...

Страница 26: ...valve size the size of the symmetrically arranged V shaped ports var ies The process medium in the valve flows through the V shaped ports as soon as the plug is lifted out of the seat i e the valve op...

Страница 27: ...rform service and repair work on them Fig 5 shows a sample assembly of a steam pressure temperature control with steam conditioner Mounting position The control valve must always be installed with the...

Страница 28: ...cate the vent plug on the opposite side to the workplace of operating personnel On mounting valve accessories make sure that they can be operated from the workplace of the operating personnel The work...

Страница 29: ...nal insulation as the steam conditioning valve is already equipped with flow divider ST 3 Valve accessories If excessive heat is radiated by the steam conditioning valve only mount valve acces sories...

Страница 30: ...i ties Slowly open the shut off valve in the pipeline during start up 5 Check the valve to ensure it functions properly 5 4 Quick check SAMSON valves are delivered ready for use To test the valve s ab...

Страница 31: ...readed bushing has been tightened 2 Open and close the valve several times 3 Check the valve for leakage visual in spection 4 Repeat steps 1 and 2 until the packing completely seals the valve If the a...

Страница 32: ...injuries due to hot or cold com ponents and pipelines Depending on the process medium valve components and pipelines may get very hot or cold and cause burn injuries Wear protective clothing and safe...

Страница 33: ...EB 8257 EN 33...

Страница 34: ...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 safety gloves and eyewear Risk of burn injuries...

Страница 35: ...oning valve 3 Remove the steam conditioning valve from the pipeline see section 9 2 7 2 Replacing gaskets Risk of control valve damage due to incorrect service or repair The gaskets can only be replac...

Страница 36: ...plug stem 7 Guide bushing 8 Threaded bushing packing nut 9 Stem connector nut 10 Lock nut 14 Body nut 15 Packing 17 Body gasket 62 Flow divider ST 3 63 Clamping element 84 Travel indicator scale 92 C...

Страница 37: ...with the plug stem and plug 5 onto the body Version with V port plug place the bon net 2 onto the valve body making sure that the largest V shaped port of the V port plug faces toward the valve outle...

Страница 38: ...he body nuts 14 gradually in a crisscross pattern 4 Lift the bonnet 2 and plug with plug stem 5 off the body 1 5 Replace the gaskets as described in sec tion 7 2 6 Unthread the stem connector nut 9 an...

Страница 39: ...orques 17 Screw in the threaded bushing 8 and tighten it Observe tightening torques 18 Place yoke 3 on the bonnet 2 and fas ten tight using the castellated nut 92 19 Loosely screw the lock nut 10 and...

Страница 40: ...he valve does not have an insulating sec tion The standard packing Form H or Form HT packing is installed in the valve To replace seat and plug in other valve ver sions contact SAMSON s After sales Se...

Страница 41: ...he new plug with plug stem 5 in to the bonnet 2 17 Place the bonnet 2 together with the plug stem and plug 5 onto the body 1 Version with V port plug place the bon net 2 onto the valve body making sur...

Страница 42: ...ble 4 for dimensions P and S 4 Calculate dimension X X A P B 2 S 5 Fill out dimension x with the sufficient number of shims 64 65 up to 0 5 mm 6 If dimension X dimension S insert an additional graphit...

Страница 43: ...packing 17 64 67 65 2 63 62 S X A B Dim Explanation A Bottom of the graphite fiber packing 67 up to the top of the gasket 17 B Top of the shim 64 65 up to the top of the gasket 17 S Height of the dou...

Страница 44: ...or after sales service Declaration on Contamination 4 Send the valve together with the filled in form to your nearest SAMSON subsidi ary SAMSON subsidiaries are listed on our website at u www samson d...

Страница 45: ...EB 8257 EN 45...

Страница 46: ...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 line for leakage The valve leaks to the atmosphere...

Страница 47: ...talled 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 pos...

Страница 48: ...e very hot or cold Risk of burn injuries Allow components and pipelines to cool down or heat up Wear protective clothing and safety gloves 9 1 Decommissioning To decommission the control valve for ser...

Страница 49: ...moving 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 hazardous...

Страница 50: ...s and 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...

Страница 51: ...ende Single attenuation plate multi stage with welding end Durchgangsventil Globe Valve 240 3241 ANSI Geh use GG Cl125 ab 5 Cast iron Body Cl125 from 5 Fluide Fluids G2 L1 L2 1 Tieftemperaturventil C...

Страница 52: ...52 EB 8257 EN...

Страница 53: ...ug for version with bellows seal 31 Washer 32 Bolt 33 Nut 34 Screw 37 Plug stem with metal bellows 39 Gasket 42 Screw plug test connection 44 Ring nut ring 45 Packing ring 46 Seal 47 Support 48 Screw...

Страница 54: ...54 EB 8257 EN 12 11 19 16 3 82 84 83 9 10 8 92 15 60 54 55 54 55 8 16 12 19 12 11 15 47 46 45 44 50 49 48 53 51 46 45 44 50 49 48 53 47 47 46 45 50 44 48 53 46 45 52 44 50 48 53 47 80 81...

Страница 55: ...EB 8257 EN 55 4 63 5 21 13 93 14 5 63 2 13 93 14 17 64 65 67 62 7 17 64 65 67 7 32 42 94 37 39 7 101 33 39 22 24 14 93 26 81 6 29 27 28 29 34 31 26 81 1 91...

Страница 56: ...SAMSON AG MESS UND REGELTECHNIK 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 8257 EN 2017 05 15 English...

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