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Technical manual

MT 208-E

1.0

INTRODUCTION

1.1

MAIN FEATURES

1.2

OPERATION OF THE PRESSURE REGULATOR WITH

THE SERIES 300 PILOT

1.3 PILOTS

1.4 REGULATING

VALVE

1.5 SETTING

SPRINGS

2.0

INSTALLATION

2.1

GENERAL

2.2

CONNECTING THE APPARATUSES

2.3

DOWNSTREAM VOLUME REQUIRED FOR INSTALLATION 9

3.0

IN LINE ACCESSORIES

3.1

RELIEF VALVE

3.1.1

DIRECT INSTALLATION IN THE LINE

3.1.2

INSTALLATION WITH ON/OFF VALVE

3.2 ACCELERATOR

3.3

SB/82 SLAM SHUT VALVE

4.0

IN LINE MONITOR

5.0

START-UP

5.1 GENERAL

5.2

GAS INPUT, CONTROLL OF EXTERNAL TIGHTNESS

AND

SETTING

5.3 COMMISSIONING

THE REGULATOR

5.4

COMMISSIONING THE REGULATOR APERFLUX 101

PLUS APERFLUX 101 IN-LINE MONITOR

5.5

COMMISSIONING THE REGULATOR APERFLUX 101

PLUS REFLUX 819 IN-LINE MONITOR WITH INCORP. SB 82 13

6.0

TROUBLE-SHOOTING

6.1

TABLE 14 APERFLUX 101 REGULATOR

7.0

MAINTENANCE

7.1 GENERAL

7.2

APERFLUX 101 REGULATOR MAINTENANCE

PROCEDURE

7.3

DISASSEMBLING THE REGULATOR UNIT

7.4

DISASSEMBLING UNIT 302/A PILOT

7.4.1

PILOT 302/A

7.5

DISASSEMBLING UNIT 304/A PILOT

7.5.1 PILOT

304/A

7.6

DISASSEMBLING AR/100 FLOW REGULATING VALVE

8.0

FINAL OPERATION

8.1

CHECKING THE TIGHTNESS AND SETTING

8.2 START

- INDEX -

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

Содержание APERFLUX 101

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 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...

Страница 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...

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

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

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

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

Страница 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...

Страница 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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