Mounting and Operating Instructions EB 8097 EN
Contents
1. nector nut 6 1 on the valve Firmly press the plug with the plug stem into the seat Then thread down the lock nut and stem connector nut 2 Remove clamps of the stem connector 7 and annular nut 8 2 on the actua tor 8 Slide the annular nut over the plug stem 3 Place the actuator on the valve bonnet 5 and screw tight using the annular nut 8 2 4 Read the nameplate on the actuator to determine which bench range e g 0 2 to 1 bar or 0 4 to 2 bar and which op 6 EB 8097 EN erating mode e g Actuator stem ex tends are used The operating mode fail safe action Actu ator stem extends or Actuator stem re tracts is indicated on the nameplate by FA or FE on the Type 3271 Actuator and by the appropriate symbol on the Type 3277 Actu ator The lower bench range corresponds to the lower signal pressure range to be adjusted the upper bench range corresponds to the upper signal pressure range Note Make sure on assembling the valve that the stem seal 5 1 does not get damaged The maximum possible travel of the actuator may not exceed the maxi mum permissible valve travel see adhesive label on the yoke 5 For actuators with fail safe action Actu ator stem extends apply the pressure corresponding to the lower signal pres sure range e g 0 2 or 0 4 bar to the loading pressure connection on the bot tom diaphragm chamber For actuators with fail safe action Actu ator stem ret2. stem seal cannot get damaged 9 Apply a special lubricant to each new part and the plug stem Maintenance Contact your nearest SAMSON subsid iary or the SAMSON After sales Service department for information on suitable lubricants Put the stem seal over the plug stem at first in the opposite direction with lip to wards the threaded end to stretch the lip of the stem seal slightly Carefully pull off the stem seal agoin Slide a new centering ring 1 1 with gasket 1 2 over the plug stem not nec essary with bar stock body version Carefully slide the stem seal centering it over the threaded end of the plug stem The stem seal must fit tightly but slide easily over the plug stem Insert the plug stem with stem seal and centering ring 1 1 if applicable into the valve bonnet Slide the wiper 5 3 over the plug stem into the valve bonnet Carefully place the valve bonnet onto the valve body Carefully lubricate the clamp 5 4 as well as the flange of the valve bonnet and valve body Place the clamp 5 4 in position and screw tight the clamp screw Hit the clamp lightly with a plastic ham mer and tighten the clamp screw again Repeat this procedure several times to tighten the clamp as far as it will go and a leakproof body is achieved If in the version with a steam line connection the valve bonnet is too light to put the clamp back on first slightly press the packing sprin
3. 2 5 When adjusting the valve a signal pressure of 0 3 bar is to be set as the lower signal pressure range The new bench range of 0 3 to 1 1 bar must be marked on the nameplate as bench range with pretensioned springs Installation 2 3 Valve and actuator that have different rated travels Note Valves that have a smaller travel than that of the actuator must always use pretensioned springs CAUTION Actuators with springs that have already been pretensioned by the manvfacturer without attachment to a valve are marked by an appropriate label In addition such actuators can be identified by three bolts and nuts protruding from the bottom diaphragm case 3 Installation 3 1 Mounting position The valve must be installed upright with the actuator on top Note Remove the clamp 5 4 first and take the entire bonnet assembly off the valve body before welding valve version with welding ends in the pipeline Note Always install the valve free of stress Check that the plug stem moves smoothly Thoroughly flush out the pipeline before in stalling the valve EB8097 EN 7 Operation If the valve bonnet is designed with a con nection for a steam line connect the com pression screw fittings to the steam supply line CAUTION A higher pressure in the steam line steam or sterile fluid than the pres sure in the valve itself can affect the process medium in the valve as it may become m
4. Stelldruckbereich Signal pressure range __________ bar Plage avec pr contrainte amp ED 80 Y Zuluft max 6 bar Begrenzt auf Air supply 90 psi Up to Air d alimentation Limit mm bar A SN Made in France 10 EB 8097 EN Customer inquiries 7 Customer inquiries Please submit the following details Type designation and serial number Nominal size and version of the valve Pressure and temperature of the process medium Flow rate in m3 h Bench range of the actuator e g 0 2 to 1 bar Installation drawing Dimensions Refer to the Data Sheet T 8097 EN for the dimensions and weights of the various valve versions EB8097 EN 11 SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 8097 EN S Z 2014 07
5. Type 3347 1 and Type 3347 7 Pneumatic Control Valves Hollow mold cast body Bar stock body with welding ends with threaded connections Fig 1 Type 3347 7 Control Valve with Type 3277 Actuator and integral positioner Mounting and Operating Instructions EB 8097 EN C Edition June 2004 Contents Contents Page 1 Design and principle of operation 2 2 2222 4 2 Assembling valve and actuator 2 2 222 22m 6 2 1 Assembly and adjustment 2 0 onen 6 2 2 Option to pretension the springs for actuator version Actuator stem extends 2 6 7 23 Valve and actuator that have different rated travels 2 2 2 2 7 3 Installation 4 2 4 09 ku REG Weta ew da RESTER 7 3 1 Mounting position ls 7 3 2 Signal pressure line o aaa ees 8 4 Operation s 2 4 2 eek epee v RR See epee EX 8 5 Maintenance 2 2 ad error 8 5 1 Replacing sealing parts or the plug ooo 9 6 Description of nameplates 2 2 Coon 10 7 Customer inquiries lle 11 Note Non electrical actuators and valves do not have their own potential ignition source according to the risk assessment in the rare incident of an operating fault corresponding to EN 13463 1 2001 paragraph 5 2 and therefore do not fall within the scope of the European Directive 94 9 EC Refer to paragraph 6 3 of EN 60079 14 1977 VDE 0165 Part 1 concerning connection to equipotential bonding system 2 EB8097 EN Safety instru
6. alve make sure the relevant section of the pipeline is depressurized and depending on the process me dium drained as well If necessary allow the control valve to cool down or warm up to reach ambient temperature prior to starting any work on the valve Prior to performing any work on the valve make sure the supply air and control signal are disconnected or blocked to prevent any hazards that could be caused by moving parts Special care is needed for pneumatic control valves when the actuator springs are pretensioned These actuators are labeled correspondingly and can also be identified by three long bolts protruding from the bottom of the actuator Prior to starting any work on the control valve relieve the com pression from the pretensioned springs EB 8097 EN 3 Design and principle of operation 1 Design and principle of opera tion The Type 3347 Angle Valve can be com bined with either a Type 3271 or a Type 3277 Pneumatic Actuator with integral positioner attachment The standard valve body is designed for welding in pipelines Further versions with threaded flange or clamp connections are available as options The valve body and bonnet are connected by an easy to use clamp The body is de signed free of cavities making it suitable for cleaning in place CIP procedures The control valves are primarily intended for throttling or on off service in the food pro cessing industry The process medium flows t
7. ctions General safety instructions The control valve may only be mounted started up or serviced by fully trained and qualified personnel observing the accepted industry codes and practices Make sure employees or third persons are not exposed to any danger All safety instructions and warnings in these mounting and operat ing instructions particularly those concerning assembly start up and main tenance must be observed The control valves fulfill the requirements of the European Pressure Equip ment Directive 97 23 EC Valves with a CE marking have a declaration of conformity that includes information about the applied conformity assess ment procedure The corresponding declaration of conformity can be viewed and down loaded on the Internet at http www samson de For appropriate operation make sure that the control valve is only used in areas where the operating pressure and temperatures do not exceed the op erating values which are based on the valve sizing data submitted in the or der The manufacturer does not assume any responsibility for damage caused by external forces or any other external influence Any hazards which could be caused in the control valve by the process medium operat ing pressure signal pressure or by moving parts are to be prevented by means of the appropriate measures Proper shipping and appropriate storage of the control valve are assumed CAUTION For installation and maintenance work on the v
8. d removing the valve from the pipeline or remove the en tire valve assembly when the valve is welded in the pipeline On performing any work on the valve body first shut off the supply pressure disconnect the supply pres sure line and remove the actuator On disassembling or assembling the valve make sure that the stem seal does not get damaged Do not move the plug beyond the permissible valve travel 5 1 Replacing sealing parts or the plug Note Prior to performing any work on the valve body remove the actuator first 1 Apply pressure higher than the lower bench range see nameplate to the ac tuator 2 Remove clamps of the stem connector 7 between actuator stem and plug stem and unscrew annular nut 8 2 Lift the actuator off the valve Remove nuts 6 1 and 6 2 5 Take off the clamp 5 4 and remove carefully the valve bonnet 5 together with plug 3 and centering ring 1 1 6 Pull plug out of the valve bonnet taking particular care to prevent the stem seal 5 1 from getting damaged 7 Push out damaged parts such as wiper 5 3 and stem seal 5 1 using an ap propriate tool In the version with connection to a steam line additionally take out packing 4 2 packing washers 4 3 and spring 4 1 Clean the packing chamber 8 Check that the surface of the plug stem is highly polished and free of score marks If the stem surface is not flawless it must be repolished to ensure that the
9. gs together using the valve bonnet EB8097EN 9 Description of nameplates 16 Thread the lock nut 6 2 and nut 6 1 onto the plug stem 6 17 Mount actuator and adjust the lower or upper bench range as described in sec tion 2 6 _ Description of nameplates Valve labeling laser printed SAMSON 3347 1 FDA 2 CE 3 0062 Made in France 10 DN 4 5 Pmax20 C 6 Tmax 7 Kys 8 Serial No 9 Nameplate of Type 3271 Actuator SAMSON 1 2 3 4 H 5 F 6 v 7 Fig 3 Nameplates 1 Type designation 2 Modification index 3 Effective diaphragm area 4 Operating mode For Type 3271 FA Actuator stem extends FE Actuator stem retracts For Type 3277 Left Actuator stem extends Right Actuator stem retracts 5 Travel 6 Bench range spring range 7 Bench range with pretensioned springs ANA aRWN O Type designation with modification index FDA compliance if applicable PED conformity if applicable Nominal size Body material Maximum pressure bar or psi Maximum operating temperature C or F Flow coefficient acc to DIN or ANSI equal percentage Lin linear Serial number Year of manufacture Nameplate of Type 3277 Actuator Feb samson ry Model No 1 Serial No Pneum Stellantrieb Hub Pneum actuator cm Stroke Servo monteur pneum Course Federbereich Spring range ar Plage des ressorts
10. hrough the valve in the direction indicated by the arrow The position of the plug 3 is determined by changes in the signal pressure acting on the actuator diaphragm The stem connector 7 connects the plug stem 6 with attached plug 3 and actuator stem 8 1 The stems are sealed by PTFE seals 5 1 and 5 3 In the special version with connection to a steam line an additional spring loaded PTFE ring packing 4 2 is used to seal the valve The steam line connection can be used to clean the plug stem 4 5B 8097 EN Fail safe position Depending on how the springs 8 3 are ar ranged in the actuator the control valve as sumes two different fail safe positions Actuator stem extends When the pressure is relieved or the supply air fails the actuator springs move the actu ator stem downwards and close the valve The valve is opened against the force of the springs when the signal pressure increases Actuator stem retracts When the pressure is relieved or the supply air fails the actuator springs move the actu ator stem upwards and open the valve The valve is closed against the force of the springs when the signal pressure increases Design and principle of operation 5 3 5 4 5 2 1 1 1 2 1 3 4 1 4 2 4 3 5 1 5 2 5 3 5 4 Type 3271 Actuator 3 8 3 a 8 CHE 8 2 8 1 6 1 6 2 6 1 3 3 A Val
11. ixed with the steam or sterile fluid Observe the relevant hygiene regula tions 3 2 Signal pressure line Connect the signal pressure line for valves with actuator version Actuator stem ex tends to the loading pressure connection on the bottom diaphragm case and for valves with actuators Actuator stem retracts to the loading pressure connection on the top dia phragm case The lower connection of Type 3277 Actuator is located on the yoke of the bottom dia phragm case 4 Operation e g reversing the direction of action etc For details refer to the Mounting and Oper ating Instructions of the respective pneumatic actuator EB 8310 EN for Type 3271 and EB 8311 EN for Type 3277 8 EB8097 EN 5 Maintenance If leakage occurs this could be caused by a damaged wiper 5 3 or stem seal 5 1 or the PTFE V ring packing 4 2 is defective in the version with connection to a steam line If the valve does not seal properly the tight shut off may be impeded by dirt or other im purities caught between the seat and plug or by damaged seat joints Remove the parts clean them thoroughly and replace them with new ones if neces sary Before servicing or disassembling the control valve depressurize the con cerned section of the plant and drain it Wait until the medium has cooled down if necessary As valves are not free of cavities there might still be residual medium in the valve We recommen
12. racts apply the pressure corresponding to the upper signal pres sure range e g 1 or 2 bar to the load ing pressure connection on the top dia phragm chamber 6 Manually turn the stem connector nut 6 1 until it touches the actuator stem 8 1 and then turn it a further 1 4 turn Screw tight the lock nut 7 Position clamps of the stem connector 7 and fasten Align travel indicator scale 5 3 with tip of the stem connector for actuators with Actuator stem extends align it with lower marking valve closed and for ac tuators with Actuator stem retracts align it with top marking valve open Note concerning dismantling the actuator On dismantling an actuator with Actuator stem extends and especially when an actu ator has pretensioned springs first apply pressure slightly higher than the lower bench range value see nameplate on actuator to the loading pressure connection on the bottom diaphragm chamber before loosening the annular nut 8 2 2 2 Option to pretension the springs for actuator version Actuator stem extends To achieve a greater thrust the springs of actuators 350 and 700 cm2 can be pretensioned by up to 25 of their travel or their bench range Example If with a bench range of 0 2 to 1 bar the springs are to be pretensioned by 0 1 bar for example the bench range is shifted by 0 1 bar resulting in a new bench range of 0 3 to 1 1 bar 0 1 bar corre sponds to a compression of 1
13. ve body Travel indicator Centering ring scale Body gasket Plug stem Compensation ring Stem connector nut Plug Spring spec version Packing spec version Washers spec version Valve bonnet Stem seal Body and stem seal Wiper Clamp Fig 2 Sectional drawings Lock nut Stem connector Actuator Actuator stem Annular nut Compression springs Loading pressure connection Compression screw fitting 4 2 Sl 5 4 1 2 1 1 Type 3277 Actuator 8 8 1 5 8 2 Special version with connection to a steam line Version with hollow mold cast body 6 2 4 3 4 1 4 3 EB 8097 EN 5 Assembling valve and actuator 2 Assembling valve and actuator Instead of the simple pneumatic actuator it is also possible to attach an actuator with additional handwheel or an electric actua tor The standard pneumatic actuator can be re placed by a pneumatic actuator in a differ ent size If the travel range of the actuator exceeds that of the valve in the valve actuator config uration the manufacturer will adjust the spring assembly of the actuator such that the travels match 2 1 Assembly and adjustment If the valve and actuator have not been pre assembled by the manufacturer or in the case that the original actuator attached to the valve is to be replaced by another actua tor of a different type or size proceed as follows 1 Loosen the lock nut 6 2 and stem con
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