PIETRO FIORENTINI APERFLUX 101 Technical Manual Download Page 34 | Manualshive

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Technical manual

MT 208-E

33

Unit “B” Valve”

Unit “A” Obturator

| [email protected] | Phone: 877.566.3837 | Fax: 925.407.2903

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Summary of Contents for APERFLUX 101

Page 1: ...Aperflux MT 208 E ENGLISH PRESSURE REGULATOR TECHNICAL MANUAL INSTALLATION COMMISSIONING AND MAINTENANCE INSTRUCTIONS sales mvandc com Phone 877 566 3837 Fax 925 407 2903...

Page 2: ...Technical manual MT 208 E 1 INLET PRESSURE OUTLET PRESSURE CONTROLPRESSURE Pressure Regulator sales mvandc com Phone 877 566 3837 Fax 925 407 2903...

Page 3: ...n force in the place of installation or at lease in compliance with standards EN 12186 or EN 12279 In detail it is necessary to meet the provisions of paragraphs 6 2 7 5 2 7 7 9 3 of the standard EN 1...

Page 4: ...INPUT CONTROLLOFEXTERNALTIGHTNESS ANDSETTING 12 5 3 COMMISSIONINGTHEREGULATOR 12 5 4 COMMISSIONINGTHEREGULATOR APERFLUX101 PLUSAPERFLUX101IN LINEMONITOR 12 5 5 COMMISSIONINGTHEREGULATORAPERFLUX101 PLU...

Page 5: ...rust deriving from the control pressure Pc in the control chamber A and the weight of the mobile assembly upwards the thrusts deriving from the upstream pressure Pu the downstream pressure Pd and the...

Page 6: ...rom 20 to 60 bar 290 to 870 2 psig 307 setting range Wd from 41 to 74 bar 594 6 to 1073 3 psig Pilots may be adjusted manually or remotely as shown in table 1 Table 1 Pilot adjusting instructions Pilo...

Page 7: ...PRING CHARACTERISTICS PILOT 304 A Code Color De Lo d Setting range bar 2702290 RED 35 100 5 5 7 10 2702460 GREEN 35 100 6 10 15 2702660 BLACK 35 100 6 5 15 22 2702820 BLUE 35 100 7 22 33 2703045 BROWN...

Page 8: ...f supporting the weight of the regulator the inlet outlet flanges of the piping are parallel the inlet outlet flanges of the regulator are clean and the regulator itself has not been subject to damage...

Page 9: ...ven in fig 7 and 8 positioning and tab 5 speed When the regulator is used in gas pressure reduction stations it must be installed at least according to the requirements envisaged in EN 12186 standards...

Page 10: ...ed below with reference to the valve VS AM 65 fig 10 It is based on the contrast between the thrust on the diaphragm 24 deriving from the pressure of the gas to control and the thrust from the setting...

Page 11: ...resetting system which is controlled manually by the lever C The pressure in the circuit to control acts on the diaphragm in the control head B This diaphragm which is integral with a control rod D re...

Page 12: ...ich the body and its inner metallic partition walls are designed in accordance with the strength requirements in this document Wds setting range of the pressure regulator which can be obtained using t...

Page 13: ...ust the setting by alternately adjusting the AR100 valve and the 30 pilot so that the value of the set pressure is obtained with the minimum opening possible of the AR100 valve then block the screw 10...

Page 14: ...operations at least 2 3 times B On devices without the push valve fig 23 we recommend connecting the control head separately to a controlled auxiliary pressure and repeat the operations described abov...

Page 15: ...nitor Slam shut Relief valves Reg set point Pds bar Monitor Set point Accelerator Set point Relief valve Set point Slam shut Max Set point Slam shut Min Set point 0 8 Pds 2 1 Pds x 1 1 Pds x 1 2 Pds x...

Page 16: ...8 29 PROBLEM POSSIBLE CAUSE APPARATUS REMEDY Valve seat 2 damaged Replace Diaphragm 3 damaged Replace O ring 13 damaged Replace Dirt or foreign bodies in the sealing area Regutator fig 25 Clean Obtura...

Page 17: ...ch as diaphragms are marked a set of wrenches is available as specified in table 8 For a proper maintenance the recommended spare parts are unequivocally identified by labels indicating the No of asse...

Page 18: ...he high cap 5 from the main body 1 4 Remove the high cap 5 5 Take out the diaphragm group and separate the single parts 3 9 and 11 6 Remove the grill from the body 1 7 Remove the O Ring 13 from the gr...

Page 19: ...place them Check the good conditions of the grill 7 4 DISASSEMBLING UNIT 302 A PILOT A Separate the flow regulation valve AR 100 from the pilot 7 4 1 PILOT 302 A fig 26 1 Loosen the blocking nut and u...

Page 20: ...Remove the nut together with the disc and the diaphragm 8 Loosen and remove the fixing bolts of the head cap to the flange 9 Remove the head cap 10 Remove the spring and the diaphragm 11 Remove the ri...

Page 21: ...ve the flange from the valve body 14 Unscrew the diaphragm support 15 Remove the diaphragm support together with the spring and remove the o rings 16 Remove the obturator together with the spring and...

Page 22: ...8 29 50 51 52 O ring 22 Carefully check the good conditions of the valve seat and particularly of the modular piston 23 Replace all components being part of the Replacement Kit To reassemble the pilot...

Page 23: ...ion valve AR 100 from the pilot 7 5 1 PILOT 304 A fig 27 1 Loosen the blocking nut and unscrew completely the pilot regulation bolt 2 Unscrew the cap 3 Remove the cap together with the spring and the...

Page 24: ...nd the diaphragm 8 Loosen and remove the fixing bolts of the head cap to the flange 9 Remove the head cap together with the spring 10 Unscrew the diaphragm support 11 Remove the obturator support toge...

Page 25: ...roup fitting 14 Unscrew and remove the fixing nut of the valve seat group to the valve body 15 Separate the valve seat group from the valve body and the diaphragm support 16 Unscrew the valve seat fro...

Page 26: ...t you can run the other way around the operations described for the disassembling process Peculiar Notes A In disassembling and reassembling the valve seat group please ensure that the valve seat does...

Page 27: ...ts 5 Remove the bolts from the body 6 Remove the O rings 7 Replace al components being parts of the Replacement kit To reassemble the valve you can run described operations the other way around sales...

Page 28: ...Technical manual MT 208 E 27 fig 25 Aperflux101 sales mvandc com Phone 877 566 3837 Fax 925 407 2903...

Page 29: ...Technical manual MT 208 E 28 PILOT 302 A fig 26 sales mvandc com Phone 877 566 3837 Fax 925 407 2903...

Page 30: ...Technical manual MT 208 E 29 Unit A Diaphragm Unit B Valve Unit C Obturator sales mvandc com Phone 877 566 3837 Fax 925 407 2903...

Page 31: ...Technical manual MT 208 E 30 PILOT 304 A 305 A fig 27 sales mvandc com Phone 877 566 3837 Fax 925 407 2903...

Page 32: ...Technical manual MT 208 E 31 Unit A Obturator Unit B Valve sales mvandc com Phone 877 566 3837 Fax 925 407 2903...

Page 33: ...Technical manual MT 208 E 32 fig 28 PILOT 307 A sales mvandc com Phone 877 566 3837 Fax 925 407 2903...

Page 34: ...Technical manual MT 208 E 33 Unit B Valve Unit A Obturator sales mvandc com Phone 877 566 3837 Fax 925 407 2903...

Page 35: ...Technical manual MT 208 E 34 AR 100 fig 29 sales mvandc com Phone 877 566 3837 Fax 925 407 2903...

Page 36: ...e downstream from the regulator to create a small gas flow 4 Fix the pilot regulation bolt until the desired set point value is reached 5 Close the bleed cock to the atmosphere 8 2 START UP 1 Very slo...

Page 37: ...l 39 02 696 14 21 Fax 39 02 688 04 57 Pietro Fiorentini S p A via E Fermi 8 10 I 36057 Arcugnano VI Italy Tel 39 0444 968 511 Fax 39 0444 960 468 www fiorentini com MT208 E January 2010 sales mvandc c...

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