Pneumatic Control Valves
Type 3241-1 and Type 3241-7
Mounting and
Operating Instructions
EB 8015 EN
Edition September 2009
Fig. 1 · Type 3241 Valve with Type 3271 Actuator and with Type 3277 Actuator
Type 3241-7
Type 3241-1
Страница 1: ...Control Valves Type 3241 1 and Type 3241 7 Mounting and Operating Instructions EB 8015 EN Edition September 2009 Fig 1 Type 3241 Valve with Type 3271 Actuator and with Type 3277 Actuator Type 3241 7 T...
Страница 2: ...15 5 2 5 Reassembly 16 5 3 Replacing the collar or seal 16 6 Material identification 18 6 1 Identification marks 18 6 2 Seat code 19 7 Description of nameplates 20 8 Customer inquiries 21 2 EB 8015 EN...
Страница 3: ...ed in the order 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 p...
Страница 4: ...close the valve When the signal pressure increases again the valve opens acting against the force of the springs Actuator stem retracts When the signal pressure is reduced or the power supply or sign...
Страница 5: ...Threaded bushing 5 3 Travel indicator scale 6 Plug stem 6 1 Stem connector nut 6 2 Lock nut 6 3 Yoke DN 200 to DN 300 7 Stem connector 8 Actuator 8 1 Actuator stem 8 2 Nut 8 5 5 3 7 6 1 6 2 6 5 2 4 2...
Страница 6: ...6 1 1 1 4 1 1 2 5 3 2 1 4 2 6 5 2 6 2 5 3 6 3 1 Valve body 1 1 Nuts 1 2 Gasket 2 Seat 3 Plug 4 1 Spring 4 2 Packing 5 Valve bonnet 5 2 Threaded bushing 5 3 Travel indicator scale 6 Plug stem 6 1 Stem...
Страница 7: ...or stem 8 1 Then turn it an other 1 4 turn and secure this position with the lock nut 6 2 7 Position the stem connector clamps 7 and screw tight Align the travel indica tor scale 5 3 with the tip of t...
Страница 8: ...range valid for the mounted valve on the nameplate of the actuator Actuator version Actuator stem retracts Note The springs in the actuator version Actuator stem retracts cannot be preloaded If a valv...
Страница 9: ...se for valves with actuator version Actuator stem extends and to the upper diaphragm case for valves with actu ator version Actuator stem retracts The lower signal pressure connection of the Type 3277...
Страница 10: ...for the actuator and remove the signal pressure line As valves are not free of cavities there might still be residual medium in the valve This applies in particular for valve versions with extension b...
Страница 11: ...ing parts out of the packing chamber using a suitable tool Replace damaged parts Clean packing chamber thoroughly 5 Remove the gasket 1 2 and carefully clean sealing faces in the valve body and on the...
Страница 12: ...installed in the correct direction Apply lubricant order no 8150 0111 to the plug stem before installation Remachining the plug 4 Slight damage at the facing of the plug can be eliminated by re turnin...
Страница 13: ...lower bench range values as de scribed in section 2 1 5 2 2 Plug When exchanging the plug check the pack ing 4 2 or preferably replace it as de scribed in section 5 2 1 Nominal sizes DN 15 to DN 150...
Страница 14: ...3 6 Flange 3 7 Screws 4 2 Packing 5 Bonnet 5 2 Threaded bushing 5 4 Bolts 5 5 Gasket 6 Plug stem 6 1 Stem connector nut 6 2 Lock nut 6 3 Plug stem extension 6 4 Washers 6 5 Nut DN 15 to DN 150 6 6 Met...
Страница 15: ...2 5 In the version with extension bonnet there are no parts 3 5 3 6 and 3 7 Plug 3 and plug stem 6 form one piece 5 2 3 Seat Replace the seat 2 as described in section 5 1 2 5 2 4 Metal bellows Nomina...
Страница 16: ...e plug stem extension 6 3 or plug stem 5 Mount the actuator and adjust the upper and lower bench range values as de scribed in section 2 1 5 3 Replacing the collar or seal For version with pressure ba...
Страница 17: ...stuffing box parts over the plug stem into the packing chamber Make sure to keep the proper order 12 Screw in the threaded bushing 5 2 and tighten 13 Loosely screw the lock nut 6 2 and stem connector...
Страница 18: ...lve bonnet 4 Complete reassembly as described for DN 40 steps 10 to 14 6 Material identification The trim material of older valves is indicated by an identification mark on the guide bush ings seat an...
Страница 19: ...ite 6B seat of solid Stellite 10 1 4112 11 1 4306 12 1 4462 13 1 4539 14 1 7362 V 15 2 4360 16 2 4602 17 2 4605 18 2 4610 19 2 4617 20 2 4681 21 3 7035 22 3 7235 Dimensions and weights Refer to the as...
Страница 20: ...tion no of notified body fluid group and category where applicable 3 Type designation 4 Modification index of valve 5 Material 6 Year of manufacture 7 Nominal size DIN DN ANSI NPS 8 Permissible excess...
Страница 21: ...ails 4 Order number 4 Type product number nominal size and version of the valve 4 Pressure and temperature of the process medium 4 Flow rate in m h 4 Bench range of the actuator e g 0 2 to 1 bar 4 Has...
Страница 22: ...22 EB 8015 EN...
Страница 23: ...EB 8015 EN 23...
Страница 24: ...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 8015 EN S Z 2012 03...
