Mounting and operating instructions EB 8131/8132 EN
Contents
1. 200 230 65 290 80 310 ANSI 2 LM ae we um me M n 11 2 3 4 725 7 62 1 7 75 11 65 ns 1 Max operating pressure 25 bar 7 Customer inquiries Should you have any inquiries please sub mit the following details Type designation and order no see nameplate Product no nominal size and valve version Pressure and temperature of process medium Flow rate in m3 h Bench range signal pressure range e g 1 4 to 2 3 bar when a pneumatic actuator is used Installation drawing 8131 8132 11 SAMSON MESS UND REGELTECHNIK Weism llerstraBe 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 8131 8132 EN S Z 2003 042. V2001 Valve Series Globe Valve for Heat Transfer Oil Type 3531 Fig 1 3531 Valve with mounted rod type yoke partial view Mounting and operating instructions EB 8131 8132 EN Edition April 2003 Contents Contents 1 1 2 2 2 2 2 3 4 4 4 2 5 7 Page Design and principle of operation 4 Technical data 4 4 o aae ee Gy ty wo SERED AH HORSE 6 Installahon 21x 4 0 4 4 db d Urdu Se debo de dede dedit Ro a 7 MOUNTING e aa E E dm ee DyDISS rs dna enn quu e WR HAS Coe d 7 x 345 x99 9d dit Vy ms Maintenance replacing 7 Replacing the metal bellows 22 2222 Como a 8 Replacing the seat plug 9 Description of nameplate 10 Dimensions mm ll lll ll ee 11 Customer inquiries 11 2 EB8131 8132 EN General safety instructions General safety instructions The control valve must be mounted started up and serviced by fully trained and qualified personnel only Make sure employees or third persons are not exposed to any danger All safety instructions and warnings in these instructions particularly those concerning installation start up and maintenance must be strictly observed The control valve fulfills the req
3. alve and actuator are assembled by the manufacturer For more details on the actuator used please refer to the corresponding mounting and operating instructions 2 1 Mounting position The valve can be mounted in any position However you are required to strictly ob serve the limitations inherent to the used ac tuator type CAUTION The valve must be installed free of stress and free of excessive vibrations If necess ary support the pipelines near the connec tions Do not install supports on the valve or on the actuator Thoroughly flush the pipeline prior to installation of the valve 2 2 Strainer bypass We recommend that you install a SAMSON Type 2 Strainer upstream of the valve In addition to a bypass line shut off valves should be installed both upstream of the strainer and downstream of the control valve so that the plant need not be shut down for maintenance routines 3 Operation Operating instructions depend on the actua tor used Please refer to the mounting and operating instructions for the corresponding actuator Installation 4 Maintenance replacing parts The control valve is subject to wear and tear especially at the seat plug metal bel lows and packing box Depending on the application conditions that prevail the valve must be inspected at appropriately scheduled intervals to prevent any problems before they occur If external leakage occurs the metal bellows or packing box ma
4. he upper edge of the bel lows assembly 5 and the upper edge of the stem connector nut 6 1 in the closed valve position 4 2 Replacing the seat and plug When replacing the seat and or plug it is recommended that the sealing ring 5 3 at the top of the bellows housing and the gas ket 1 2 at the bottom of the bellows hous ing be additionally replaced To replace the plug 3 proceed as follows Follow the steps as described in chapter 4 1 except replace the old plug with a new one To replace the seat 2 proceed as follows Follow the steps as described in chapter 4 1 except replace the old seat with a new one To unthread the seat 2 use an appropriate seat wrench refer to the table on the right Lubricate the thread and sealing cone of the new seat lubri cant order no 8150 0119 and screw In 8131 8132 EN 9 Description of nameplate 5 Description of nameplate Valve type Model number Model index Order number or date value Nominal size Nominal pressure 11 Permissible temperature 12 Body material DIN version For ANSI version Valve type Model number Model index Order number or date Nominal size ANSI version Permissible temperature F Body material value Kys x 1 17 ANSI class nominal pressure Fig Nameplate 10 EB 8131 8132 EN Customer inquiries 6 Dimensions in mm DIN DN mm 130 20 150 50 1 96 25 160 L3 32 180 2
5. ion for open end wrench Design and principle of operation N p 5 NIIT NJ N SS SRE AGAS GG d UN 777 7 ve ASAE N 222 SS EN zu VS PSS S TZ gm I NJ ZU MNT py DIXIT w y 4 exa uc S ERS DN 32 to 50 L NY SV Ng noa N KY YR NNNSNNNNNNSNSNNSNNNSNNNNNIAZNSS N ER Sk 2 CL ASU ee TN a IR NN y DN 15 to 25 Fig 2 Sectional drawings 5 EB 8131 8132 EN Design and principle of operation 1 2 Technical data Valve DN 151080 ANSI 1 2 to 3 Nominal pressure PN 25 Class 150 300 Type of connection Flanges TypeBl acc to EN 1092 1 Ra 3 2 12 5um Raised face Groove type D acc to EN 1092 2 Seat plug seal Metal Leakage rate acc to IEC 534 4 IV 0 01 Kys Characteristic Equal percentage Rangeability 50 1 Temperature range 10 70 to 220 C 15 to 430 F DN 15 20 25 32 40 50 65 80 1 2 3 4 1 1 1 2 2 2 1 2 3 16 4 25 63 4 10 16 25 30 40 60 values 2 5 3 7 5 5 12 Seat diameter 95 14 14 19 14 24 40 65 94 Materials Valve body Spheroidal graphite iron cast steel A216 WBC Bonnet S235JR Seat DN 15 to 25 1 4305 DN 32 to 80 1 4104 Plug 1 4305 Metal bellows 1 4571 Packing PTFE Body gasket Graphite on metal core On request 6 EB8131 8132 EN 2 Installation V
6. s housing and slide the flange 5 4 over the bellows housing Tighten the coupling nut 5 1 finger tight only With nominal sizes DN 15 to 50 slide the guide 15 or cap 14 onto the plug stem and with nominal sizes 65 80 slide the washer 10 spring 11 washer 12 bushing 13 and cap 14 onto the plug stem Apply lubricant order no 8150 0119 to the screw thread place the washer 6 4 and valve plug 3 on the screw 6 3 and firmly tighten the screw into the plug stem CAUTION In doing so use an open end wrench on the flattened end of the plug stem X to hold the stem in place and to prevent the metal bellows from being rotated Maintenance replacing parts 3 Place the gasket 1 2 onto the valve DN 151025 32 to 50 65 to 80 body Then insert the complete bonnet 1 2101 11 2to 2 21 2103 into the valve body Seat wrench wan A Align ihe flange 5 4 and tighten the order no 9932 3330 1280 3009 9110 2467 nuts 1 1 according to the tightening torques specified in the table on the Seatthread M32x1 5 M58x1 5 M90x1 5 right 120Nm 500Nm 1050Nm 5 Tighten the coupling nut 5 1 accord Coupling nut m ing to the tightening torques specified in 5 1 the table on the right Body nuts M10 M16 6 With nominal sizes DN 15 to 50 Vs ZONE Eon Zn thread the lock nut 6 2 and stem con nector nut 6 1 onto the upper end of the plug stem until there is a 50 mm gap between t
7. springs of a pneumatic control valve are pretensioned These actuators are labeled correspondingly and can also be identified by three long bolts at the bottom of the actuator Prior to starting any work on the valve you must relieve the compression from these preten sioned springs 8131 8132 EN 3 Design and principle of operation 1 Design and principle of operation The Type 3531 Globe Valve is based on the modular design principle and can be com bined with a pneumatic or electric actuator as follows Control valve V2001 P V2001 PA Actuator type 3372 01 xx 2780 2 Pneumatic V2001 IP 3372 03xx pneumatic V2001 E1 5824 30 Electric V2001 E3 3374 The process medium flows through the valve in the direction indicated by the arrow The position of the valve plug 3 changes in response to changes of the control signal acting on the actuator The plug stem is sealed by means of a metal bellows and an additional packing 4 2 and connects to the actuator stem 8 1 via the stem connector 7 B 8131 8132 EN Legend for Fig 2 Valve body Nut Gasket Seat Valve plug Guide bushing Bushing Packing Washer Spring DN 65 80 Bellows assembly with plug stem and metal bellows Coupling nut Bellows housing Sealing ring Flange Plug stem Stem connector nut Lock nut Screw Washer Stem connector Actuator stem Rod type yoke Nut Washer Spring Washer Bushing Cap Guide Posit
8. uirements of the European Pressure Equipment Directive 97 23 EC Valves with a CE marking have a declaration of con formity that includes information on the applied conformity assessment proce dure The declaration of conformity can be viewed and downloaded on the In ternet at htlp www samson de For appropriate operation make sure that the control valve is only used in ap plications where the operating pressure and temperatures do not exceed the operating values based on the valve sizing data submitted in the order Note that the manufacturer does not assume any responsibility for damage caused by external forces or any other external influences Any hazards which could be caused in the control valve by the process me dium operating pressure control signal or moving parts are to be prevented by means of appropriate measures Proper shipping and appropriate storage are assumed Caution For installation and maintenance work on the control valve make sure the relevant section of the plant is depressurized and depending on the process medium used drained as well Depending on the application cool down or heat the valve to ambient temperature prior to starting any work on the valve When working on the valve make sure that the supply lines for the air supply as well as the control signals are disconnected or locked to prevent any ha zards that could be caused by moving valve parts Special care is needed when the actuator
9. well as the pack ing 4 2 must be replaced as described below It is recommended that the sealing ring 5 3 at the top of the bellows housing and the gasket 1 2 at the bottom of the bellows housing be replaced too Disassembly 1 With nominal sizes DN 15 to 50 un screw the stem connector nut 6 1 and lock nut 6 2 2 First unscrew the coupling nut 5 1 Next remove the nuts 1 1 After that lift and remove the flange 5 4 Then remove the complete bonnet from the valve body 3 Securely hold the flattened plug stem end by the flats x using an open end wrench width across flats SW 10 for DN 15 to 50 and SW 13 for DN 65 80 while unthreading the screw 6 3 4 First remove the valve plug 3 Then remove the guide 15 with nominal sizes DN 15 to 25 the cap 14 with 8 B 8131 8132 EN DN 32 to 50 and the cap 14 bushing 13 washer 12 spring 11 and washer 10 with DN 65 80 Pull the bellows assembly 5 out of the bellows housing 5 2 and remove the sealing ring 5 3 Clean all parts thoroughly and check them for signs of damage Replace the bellows assembly consisting of the plug stem the metal bellows and the packing Reassembly 1 Apply lubricant order no 8150 0119 to the sealing ring 5 3 and the threaded part of the bellows housing then place the sealing ring onto the bel lows housing Insert the bellows assembly 5 with the plug stem into the bellow
10. y be damaged If the valve does not seal properly this may be because tight shut off is prevented by dirt or other foreign particles present between the seat and plug or due to a damaged seating surface It is recommended that the parts be removed thoroughly cleaned and replaced as necessary CAUTION If you intend carrying out mainten ance work on the valve first depress urize the relevant plant section and depending on the process medium drain it as well let the plant section cool down to reach ambient temperature if necessary Prior to starting any work discon nect the electric or pneumatic con trol signal for the actuator On pneu matic actuators additionally remove the signal pressure line As the process medium cannot drain completely out of the valve be aware that some of the process medium could still be trapped in the valve We recommend that you remove the valve from the pipeline EB 8131 8132EN 7 Maintenance replacing parts Note The tightening torques and special tools re quired for installing and removing the seat are listed in the table on page 9 Important Prior to carrying out any repairs always separate the actuator from the valve by re moving the stem connector clamps 7 and the nut 9 Then lift the actuator off the valve 4 1 Replacing the metal bellows Leakage occurring at the packing box is due to a damaged metal bellows The com plete bellows assembly as
Download Pdf Manuals
Related Search