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TECHNICKÁ P

Ř

ÍRU

Č

KA MT044

TECHNICAL MANUAL MT044

je-li t

ř

eba zvyš nebo sniž hodnotu p

ř

i které 

dochází k zav

ř

ení rychlouzáv

ě

ru na pokles, 

nastavovacími kroužky 12 a 13. Otá

č

ením ve 

sm

ě

ru hod.ru

č

i

č

ek se hodnota tlaku zvyšuje a 

naopak. 

If necessary, increase the intervention values for
pressure increase or decrease by respectively 
turning the rings 12 and 13 clockwise and vice 
versa to reduce the intervention values.

 

-  check  proper  operation  by  repeating  the  opera-
tions at least 2-3 times.

 

-  kontrolu nastavení provád

ě

   nejmén

ě

 2-3 krát. 

Komora sa

controlled pressure

B)  Z a

ř

í z e n í   k t e r á   n e j s o u     p

ř

i p o j e n a  

p

ř

e s   “push” (Obr.15) doporu

č

ujeme p

ř

ipojit 

ř

ídící hlavu rychlouzáv

ě

ru p

ř

ímo na zdroj 

kontrolního tlaku a nastavení prove

ď

te dle výše 

uvedeného.  

 

B) On devices without  the  "push"  valve (fig. 15) we

recommend connecting the control head separately 
to a controlled auxiliary pressure and repeating the 
operations described above.

 

23

 

 

 

 

 

 

V klidové poloze (A a B je propojeno) 

Rest position (A and B in communication)

 

 

 

 

 

 

Bezpe

č

nostní rychlouzáv

ě

Safety device

 

 

Kontrolovaná poloha ( A a B je propojeno) 

Controll position (A and C in communication) 

Nádoba s kontrolním tlakem

 

 

 

 

 

 

 

 

 

 

 

Potrubí ve kterém s e hodnota tlaku kontroluje 

Environment with the pressure to keep under control

 

 

 

 

 

Obr.14

 

Содержание MT044

Страница 1: ...CHNICAL MANUAL MT044 N VOD NA INSTALACI UVEDEN DO PROVOZU A DR BU INSTALLATION COMMISSIONING AND MAINTENANCE INSTRUCTIONS Distributor JET SERVICE s r o Maiselova 57 9 110 01 Praha 1 Tel 222 325 226 Fa...

Страница 2: ...TECHNICK P RU KA MT044 TECHNICAL MANUAL MT044 Vyd n listopad 2000 Issue October 2000 2 NORVAL...

Страница 3: ...5 0 UVEDEN DO PROVOZU 18 5 1 5 2 GENERAL GAS INPUT CONTROL OF EXTERNAL TIGHTNESS AND SETTING COMMISSIONING THE REGULATOR 18 20 5 1 5 2 5 3 V EOBECN 18 KONTROLA VN J T SNOSTI A NASTAVEN UVEDEN REGUL TO...

Страница 4: ...N 1 4 0 012 to 1 8 bar for DN 6 8 Precision class RG up to 5 Closing pressure class SG up to 10 1 2 FUNKCE Regul tory s rie NORVAL obr 1 jsou p mo inn regul tory zen pru inou reguluj c v stupn tlak pr...

Страница 5: ...the downstream pressure reaches the set point again Vice versa when the downstream pressure rises above the set point as a result of a drop in the requested flow rate or an in crease in the upstream...

Страница 6: ...930 38 2703720 BIJELO WHITE 9 0 15 5 17 5 39 2704670 MODRO LUT WH 12 0 10 5 12 5 500 650 900 1310 40 2704210 ERVEN RED 10 5 15 5 17 5 41 2704985 BIJEL PLAVO 14 0 11 0 13 0 1290 1800 42 2704210 ERVEN R...

Страница 7: ...650 880 31 2703720 BIJELO WHITE 9 0 15 5 17 5 32 2704670 BIJ ZUTO WH YEL 12 0 10 5 12 5 470 600 850 1260 33 2704210 CRVENO RED 10 5 15 5 17 5 34 2704985 BIJEL PLAVOWH BLEU 14 0 11 0 13 0 1240 1800 35...

Страница 8: ...eam has been cleaned with the removal of residual impurities such as welding slag sand paint residues water etc a Zda kolem regul toru bude dostatek prostoru pro dr bu a mont n pr ce Zda potrub na vst...

Страница 9: ...EN PRAVO HL INSTALLATION AT RIGHT ANGLES Regul tor Odv tr vac ventil Bleed cock Impulsni spoj Sensing line Kontrolni manometr Control pressure gauge Uzav rac ventil On Off valve TAB 4 DETAIL V CECESTN...

Страница 10: ...ing must always be welded on the top of the piping itself and there must be no burr or inward protrusions in the hole in the piping NEINSTALUJTE DN UZAV RAC VENTILY NA IMPULSN POTRUB NB DO NOT PUT ON...

Страница 11: ...ge to the regulator Obviously the quantity of gas released depends on the extent of the overpressure with respect to the set point The different models of relief valve available are all based on the s...

Страница 12: ...value 3 check intervention of the relief valve and adjust it if necessary by turning the internal adjustment ring 14 3 Zkontrolujte funkci pojistn ho ventilu a je li t eba nastavte nastavovac m krou...

Страница 13: ...SHUT I N This is a device fig 7 which immediately blocks the gas flow if following some kind of failure the down stream pressure reaches the set point for its interven tion or if it is operated manual...

Страница 14: ...yb p stnice 18 kter zp sob posun kole ka 19 a n sledn uvoln p kov mechanismus 20 pomoc va ky 23 Rychlouz v r zav r na pokles je li tak Pa p sob c na membr nu 21 men ne p edp t pru iny 15 Pokud je Pa v...

Страница 15: ...e pr m vn j d dr t i po et z vit Lo d lka it celkem z vit it total coils De external diameter d wire diameter i active coils Lo spring length Obr 9 Obr 10 16 12 2700338 B L WHITE 15 40 1 3 8 75 10 75...

Страница 16: ...S Mal vn j rozm ry Reduced dimensions Easy maintenance Can also be mounted on a normal regulator already installed Snadn dr ba M e b t dodate n namontovan na ji instalovan regul tor i 4 3 2 PROVOZ NOR...

Страница 17: ...us b t ovl d ny velmi pomalu Je li postup uv d n regul toru p li rychl tak m e doj t k jeho po kozen After installation check that the inlet outlet on off valves any by pass and the bleed cock are clo...

Страница 18: ...s which can be obtained using the setting spring fitted at the moment of testing In piloted safety valves the pilot is considered as a separate apparatus with its own set ting range Wao Who range of i...

Страница 19: ...on the element under pressure The regulator and any other apparatuses slam shut monitor are normally supplied already set for the de sired set point It is possible for various reasons e g vibration d...

Страница 20: ...v stupn tlak 6 Zkontrolujt snostv echspoj meziuzav rac miventily V1 a V2 7 Otev i velmi pomaluuzav rac uz v r V2 anatlakujv stupn potrub 1 very slowly open the inlet on off valve V1 2 check on the pre...

Страница 21: ...ot en m ve sm ru hod ru i ek a naopak connect a controlled auxiliary pressure to C stabilise this pressure at the set point established for the regulator insert a reference pin 2 in the notch pressing...

Страница 22: ...2 3 kr t Komora sa controlled pressure B Za zen kter nejsou p ipojena p es push Obr 15 doporu ujeme p ipojit d c hlavu rychlouz v ru p mo na zdroj kontroln ho tlaku a nastaven prove te dle v e uveden...

Страница 23: ...e pr tok plynu 1 check that the slam shut is in the closed position 2 open the inlet on off valve V1 3 very slowly open the slam shut by turning the pro vided lever 4 open the downstream bleed cock 6...

Страница 24: ...stup Set point Nastaven rychlouz v ru na pokles 8 Pas 12 20 mbar 25 mbar Nen mo no sledovat pokles 12 Pas 15 Pas 15 Pas 19 10 mbar 19 Pas 24 Pas 10 mbar 24 Pas 30 Pas 30 Pas 60 Pas x 1 25 60 Pas 80 80...

Страница 25: ...o reduce the intervention value b for safety devices which intervene for pressure increase and reduction slowly increase the auxiliary pressure and record the intervention value Restore the pressure t...

Страница 26: ...e special screw 74 turning it clockwise to increase its value and anticlockwise to reduce its value trip the slam shut manually connect the sensing line of the main regulator very slowly open the slam...

Страница 27: ...po natlakov n potrub 14 close the bleed cock and check the value of the clo sing pressure check the tightness of all the joints between the on off valves V1 and V2 using a foam medium very slowly ope...

Страница 28: ...SLAM SHUT Max Nastaven Rychlouz v r pokles Set point SLAM SHUT Min 8 Pas 12 Pas 25 mbar 30 mbar Rychlouz v r nen k dispozici 12 Pas 15 15 Pas 19 Pas Pas 20 mbar 10 mbar 19 Pas 24 Pas 10 mbar 24 Pas 30...

Страница 29: ...train your maintenance personnel or avail yourself of the service centres officially autho rised by us 7 1 TAB 9 REGULATOR FIG 17 7 1 TAB 9 REGUL TOR obr 17 30 PROBL M MOGUCI RAZLOZI POSSIBLE CAUSES I...

Страница 30: ...hragm 29 i l fi d Upevni Fix Tlak nar st p i Q 0 Pressure increase at Q 0 T sn n 4 po kozeno Reinforced gasket 4 damaged Vym Replace P stn ce zablokovan solemi Shaft locked by incrustation during star...

Страница 31: ...obl m P ina Odstran n Rychlouz v r nezav Slam shut obturator does not close d c membr na 16 po kozena control diaphragm 16 ruptured Vym membr nu Change the diaphragm Net snost rychlouz v ru Leakage fr...

Страница 32: ...more frequent maintenance is required because of the pre carious state of cleanliness inside the piping the level of reliability required from the regulation system Before starting the disassembly ope...

Страница 33: ...TEHNICK PRIRU KA MT044 TECHNICAL MANUAL MT044 8 2 POSTUP P I DR B REGUL TORU NORVAL 8 2 NORVAL REGULATOR MAINTENANCE PROCEDURE Obr 17 34...

Страница 34: ...j nastavovac pru inu pos spolu s horn m dr kem pru iny pos Uvolni a vyndej upev ovac rouby pos 2 3 6 7 Unscrew and remove the spring holder plug pos 23 Remove the adjustment spring pos 41 along with t...

Страница 35: ...but especially to hold them in their slots 22 Fit back the intermediate flange pos 14 along 22 Vlo zp t mezip rubu pos v etn vod c ho v lce p stnice pos with the rod guide sleeve pos 13 13 23 Put back...

Страница 36: ...Screw the spring holder plug pos as it goes Put back the obturator gasket pos 41 with the s horn m krytem pru iny pos Za roubuj horn kryt pru iny pos co nejd le 22 36 36 23 as far 4 Dej zp t t sn n k...

Страница 37: ...TEHNICK P RU KA MT044 TECHNICAL MANUAL MT044 8 3 POSTUP P I DR BE REGUL TORU A RYCHLOUZ V RU I N 8 3 NORVAL REGULATOR I N MAINTENAN CE PROCEDURE Obr 18 38...

Страница 38: ...4 3 and 4 5 Povol pojistnou matku poz 44 4 5 Uvolni nastavovac roub 74 Slacken the adjustment screw pos 74 until it comes out Unscrew and remove the spring holder plug pos 6 7 Ovolni avyndej hlavu pru...

Страница 39: ...of the slam shut to the down stream piping unscrewing the taper seal connec tions Slacken the fixing screws pos 42 of the slam shut cover pos 17 poz 7 s ohledem na t sn n regul toru a rychlouz v ru Od...

Страница 40: ...e poz Dej zp t zaji uj c krou ek poz 43 42 14 v etn 1 3 diaphragm pos 29 and the bushing pos 16 44 Put the bottom cover pos 19 back in its ori ginal position with the sensing line take off turned towa...

Страница 41: ...a na doraz a ut hn ostr m derem 4 1 58 45 58 Vlo zp t spodn p rubu poz rouby poz 4 5 1 a upevni CHECKING THE TIGHTNESSES AND SETTING KONTROLA T SNOSTI A NASTAVEN 59 Very slowly open the on off valve u...

Страница 42: ...4 5 4 5 G Ch 13 17 19 22 13 17 22 17 22 17 24 27 17 27 17 27 I Ch 6 5 x 100 L Cod 7999099 M 19 60 O Cod 7999045 7999047 7999049 Tip Type DN 1 e 1 1 4 1 1 2 e 2 2 1 2 e 3 4 6 8 A Ch 8 13 19 27 32 36 8...

Страница 43: ...1 1 4 1 1 2 2 2 1 2 3 4 6 8 3 3 3 3 3 3 5 5 5 5 0 7 0 7 0 7 0 7 0 7 0 7 0 7 0 7 10 3 10 3 10 3 17 3 17 3 17 3 28 28 4 3 4 3 4 3 6 4 6 4 6 4 10 10 10 8 10 8 10 8 16 3 16 3 16 3 19 19 12 5 22 5 36 0 3...

Страница 44: ...TEHNICK P RU KA MT044 TECHNICAL MANUAL MT044 10 0 SEZNAM DOPORU EN CH N HRADN CH D L 10 0 LIST OF RECOMMENDED SPARE PARTS 51...

Страница 45: ...TEHNICK P RU KA MT044 TECHNICAL MANUAL MT044 Regul tor tlaku NORVAL NORVAL pression regulator 52 DN 1 3 Fig A...

Страница 46: ...TEHNICK P RU KA MT044 TECHNICAL MANUAL MT044 MODEL VERSIONS 53...

Страница 47: ...a green one for 85 ShA Tvrdost sedla pos 4 se identifikuje dle barvy b l tvrdost 55 ShA zelen tvrdost 85 ShA 5 Pe bar 55 Sh A 85 Sh A 54 NORVAL DN POZ OPIS DESCRIPTION 1 3 1 2 1 1 1 1 1 1 1 2 2 1 1 1...

Страница 48: ...TEHNICK P RU KA MT044 TECHNICAL MANUAL MT044 I N I N TR RYCHLOUZ V R I N I N TR SLAM SHUT 55...

Страница 49: ...overs POZ Popis IPTION 1 3 1 1 1 1 2 4 6 8 1 1 1 1 1 10 Zatvarac Obturador 35 Nepropusni prsten na u U U ring 55 Prsten vodilice Guide ring 63 O Ring 68 O Ring 82 Prsten vodilice Guide ring 91 O Ring...

Страница 50: ...U KA MT044 TECHNICAL MANUAL MT044 MONITOR ER MONITOR ER PO E KUS PIECES 58 MONITOR ER DN POZ POPIS DESCRIPTION 1 3 1 1 1 4 1 1 6 8 1 1 1 1 29 Membrana Diaphragm 60 O Ring 71 O Ring 84 O Ring 88 O Ring...

Страница 51: ...d Regulator cover diameter Gasket hardness 55 or 85 ShA Type of head for slam shut I N I N TR if installed Monitor if installed The no of the part position no Quantity desired Typ regul toru Pr m r DN...

Страница 52: ...Via E Fermi 8 10 Phone 39 0444 968511 10 linee a r Telefax 39 0444 960468 E mail arcugnano fiorentini com Italy Via Sa vorgnana 26 Phone 39 0432 503037 39 Telefax 39 0432 512359 E mail sitrad tin it...

Страница 53: ......

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