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MC • Edition 05.20 • Nº 279 663

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6.4 Accuracy class / closing pressure class

AC and SG data according to EN 334 do not constitute

a declaration with respect to the modulation range. For

field use it is important to know the minimum and maxi

mum flow rates. Therefore, the accuracy characteristics

'accuracy class and shut-off pressure class' were deter

mined which can be guaranteed for a flow rate of 1:10.

Abbreviation Description
AC

Accuracy class

Outlet pressure

u1/2

Inlet pressure

Nominal adjusted value of the outlet pressure

Closing pressure class

min / pu1/2

Minimum AC flow at a certain inlet pressure P

(lower flow limit, from which stable operating conditions

occur for a given set-point within the specified operating temperature range).

max / pu1/2

Maximum AC flow at a certain inlet pressure P

(upper flow limit, up to which a given accuracy class

can be observed for a given set-point within the specified operating temperature range).

The AC values of the above table refer to the maximum

possible percentage deviation of the output pressure

from the adjusted set-point, in which Q

max

/ Q

min

≥ 10

is observed.

min, pu1

min, pu2

max, pu1

max, pu2

x (1-AC/100)

x (1+SG/100)

x (1+AC/100)

Содержание 279042

Страница 1: ...es and accident prevention regulations must be observed and if necessary personal protective measures must be taken Connected line systems must be free from dirt and contamination Hang this instruction manual in a clearly visible place inside the installation room Do not carry out any work until you have read the safety instructions of this instruction manual and are qualified to do so The device ...

Страница 2: ...3 Risks in the case of misuse If used in accordance with their designated use the devices are safe to operate Non observance of the regulations may result in per sonal injury or material damage financial damage or environmental damage 3 EU Approval Statement of Conformity Operator errors or misuse present risks to life and limb of the operators and also to the device and other mate rial property U...

Страница 3: ...si nouseffectuonsunemodification libre de l appareil Con la presente si certifica che i prodotti citati in questa panoramica sono stati sottoposti a una prova di omologazione UE e che i requisiti di sicurezza essenziali direttiva UE sulle attrezzatture a pressione 2014 68 sonosoddisfattinellaversionevalida Incasodimodificadell apparecchio nonammessa questadichiarazione perde di validità Prüfgrundl...

Страница 4: ...e UHD 29 11 4 2 Type ND MD for 1 1 1 2 DN25 and type HD 31 11 4 3 Type ND MD for 2 DN40 and DN50 32 11 5 Spring replacement SAV 34 11 5 1 Spring replacement Wdso 34 11 5 2 Spring replacement Wdsu 35 12 Commissioning and decommissioning 37 12 1 General information 37 12 2 Leakage test 37 12 3 Commissioning unlocking control of adjustment values 38 12 4 Recommissioning 40 12 5 Decommissioning 40 13 ...

Страница 5: ...ute pressure pdo Upper release pressure overpressure pdu Lower release pressure low pressure pmax Maximum operating pressure padm System specific operating pressure according to regulator PN Nominal pressure of the flanges PS Maximum admissible pressure SAV Safety cut off valve SBV Safety Relief Valve SG Closing pressure class S n Serial Nº SZ Closing pressure zone class Tp Operating temperature 2...

Страница 6: ...re range 20 4000 mbar 2 400 kPa Minimum differential pressure ND 20 mbar 2 kPa Minimum differential pressure MD 80 mbar 8 kPa Minimum differential pressure HD UHD 250 mbar 25 kPa Materials Body of the regulator Cast iron GGG 50 Actuator housing Steel sheet UHD aluminium Membranes NBR Ambient temperature 20 C to 60 C Relief valve Optional Can be activated with limited capacity Technical data SAV De...

Страница 7: ...15 1 1 2 20 2 025 DN 25 040 DN 40 050 DN 50 Outlet pressure ranges ND Low pressure MD Medium pressure HD High pressure UHD Ultra high pressure Safety device SAV Integrated safety cut off valve Cracking pressure ranges ND Low pressure MD Medium pressure HD High pressure UHD Ultra high pressure Type of thread flange ANSI with Standard Rp or PN 25 with flanges ANSI 150 lbs NPT with threads NPT ...

Страница 8: ...400 mbar 5 500 3500 mbar 5 FRM NOC 10020 UHD SAV UHD G 2 UHD 5 10 1000 4000 mbar 1000 4000 mbar 5 1300 5000 mbar 5 FRM NOC 100025 ND DN 25 ND 10 20 20 100 mbar 10 10 FRM NOC 100025 MD DN 25 MD 10 20 80 400 mbar 10 10 FRM NOC 100025 HD DN 25 HD 5 10 300 1500 mbar 5 5 FRM NOC 100025 UHD DN 25 UHD 5 10 1000 4000 mbar 5 5 FRM NOC 100025 ND SAV ND DN 25 ND 10 20 20 100 mbar 10 115 mbar 10 40 240 mbar 1...

Страница 9: ...lue of the outlet pressure SG Closing pressure class Qmin pu1 2 Minimum AC flow at a certain inlet pressure PU lower flow limit from which stable operating conditions occur for a given set point within the specified operating temperature range Qmax pu1 2 Maximum AC flow at a certain inlet pressure PU upper flow limit up to which a given accuracy class can be observed for a given set point within t...

Страница 10: ...0 Pink 2 287895 12 73 155 2300 3600 Red 2 287896 13 74 160 3500 4000 6 5 Selection of regulating spring 6 5 1 For FRM NOC 10010 10015 100025 6 5 2 For FRM NOC 10020 100040 100050 Outlet pressure adjustment range Wds Spring colour Item Nº Wire diameter mm Diameter mm Length mm Adjustment range mbar ND MD HD UHD Yellow 287884 3 5 50 220 20 25 Blue 287885 4 50 220 25 45 Black 287886 4 5 50 220 30 65 ...

Страница 11: ...0 3 0 60 15 0 800 1400 800 1400 Pink 276126 3 5 60 15 0 1200 3000 6 6 Selection of spring SAV Specific adjustment range over pressure Wdso Spring col our Item Nº Wire diam eter mm Length mm Diameter mm Adjustment range mbar ND MD HD UHD Silver 270361 2 2 60 30 0 40 130 Green 270366 2 5 60 30 0 60 190 180 290 Red 270367 2 7 60 30 0 90 240 230 370 Yellow 270368 3 2 60 30 0 300 500 Blue 270369 3 5 60...

Страница 12: ...f the flanges PS Maximum admissible pressure SG Closing pressure class 20T60 Operating temperature 20 C 60 C S n Serial Nº Wds Range of regulation determined Wdo Adjustment range for overpressure by using the available adjusting springs Wdu Adjustment range for low pressure by using the available adjusting springs Wdso Range of the adjustment spring installed for overpressure Wdsu Range of the adj...

Страница 13: ...tablished between the force of the set point spring B and that of the outlet pres sure The upward movement of the working membrane F pulls the lever system D upwards thus pressing the seal A downwards reducing the valve clearance The minimised flow reduces the output pressure until the set point value output pressure is reached again and the equilibrium of forces in the working membrane is restore...

Страница 14: ...14 72 MC Edition 05 20 Nº 279 663 A B C D E A B C D E F Type UHD F Type HD ...

Страница 15: ...MC Edition 05 20 Nº 279 663 15 72 A B C D F E A B C D E F ND MD for G2 DN40 DN50 ND for G1 G1 5 y DN25 ...

Страница 16: ...16 72 MC Edition 05 20 Nº 279 663 8 Dimensions FRM NOC F A C D E B Option external line Only on request Ermeto screw connection 12L GE 12 1 4 with screw connection M16 for pipes 12 x 1 5 G ...

Страница 17: ...0 156 61 245 255 1 2 G 1 4 G 11 FRM NOC 10020 UHD 279067 280247 10 1000 2 210 156 61 345 670 1 2 G 1 4 G 16 Type Item Nº pmax bar kPa DN Dimensions mm Wgt kg DN ANSI A B C D E F G FRM NOC 100025 ND 279085 280260 10 1000 25 210 184 50 260 270 1 2 G 1 4 G 9 FRM NOC 100025 MD 279086 280261 10 1000 25 210 184 50 260 270 1 2 G 1 4 G 9 FRM NOC 100025 HD 279087 280262 10 1000 25 210 184 50 260 270 1 2 G ...

Страница 18: ...18 72 MC Edition 05 20 Nº 279 663 FRM NOC SAV A C G E B Option external line Only on request Ermeto screw connection 12L GE 12 1 4 with screw connection M16 for pipes 12 x 1 5 D F ...

Страница 19: ...55 1 2 G 1 4 G 13 FRM NOC 10020 UHD SAV UHD 279053 280235 10 1000 2 210 156 250 345 670 1 2 G 1 4 G 18 Type Item Nº pmax bar kPa DN Dimensions mm Wgt kg DN ANSI A B C D E F G FRM NOC 100025 ND SAV ND 279073 280248 10 1000 25 210 184 245 260 270 1 2 G 1 4 G 11 FRM NOC 100025 MD SAV MD 279074 280249 10 1000 25 210 184 245 260 270 1 2 G 1 4 G 11 FRM NOC 100025 HD SAV HD 279075 280250 10 1000 25 210 1...

Страница 20: ...onstantly be monitored using appropriate gas concentration measuring devices for the detection of gas leakages Ensure electrically conductive bridging Prevent contact voltage and ignitable flash over The performance data on the type plate correspond to the ordering data Flanges on the inlet side and outlet side of the con necting line are parallel The sealing surfaces of the flange are undamaged a...

Страница 21: ...lve 2 Filter 3 Welded part 4 Pressure gauge inlet side 5 Regulator with SAV integrated 6 Stabilisation section 7 Pressure gauge outlet side 8 Pushbutton cock 9 SBV 10 Venting ball valve 11 Shut off valve outlet side e g DMV 12 Breathing connection regulator 13 Breathing connection SAV 14 Relief connection SBV Maximum flow velocity in the stabilisation section 30 m s Version of the pulse lines stee...

Страница 22: ... 25 40 50 65 80 100 125 150 Rp 1 1 2 2 Mmax Nm t 10 s 70 105 225 340 610 110 1600 2400 5000 6000 7600 Tmax Nm t 10 s 35 50 85 125 200 250 325 400 Max torque of system accessories M G M 4 M 5 M 6 M8 G G G G Mmax Nm t 10 s 2 5 Nm 5 Nm 7 Nm 15 Nm 5 Nm 7 Nm 10 Nm 15 Nm Max torque of flanged joint Stud M 12 x 55 EN 13611 M 16 x 65 DIN 939 Mmax Nm t 10 s 30 Nm 60 Nm Mounting position ...

Страница 23: ...case of an er ror a SAV must be installed to shut down the gas supply before the gas pressure becomes too high The SAV complies with the requirements of the standard EN 14382 as an integral resistance type IS safety shut off device Main components A Valve disc B Closing spring C Ball catch trigger mechanism D Chamber with the pressure to be monitored E Working diaphragm F Push rod G Setpoint sprin...

Страница 24: ...emove the protective cap A 2 Turn the external adjusting screw B using the spanner size 24 3 Clockwise rotation Increases the initial tension of the adjustment spring thus increasing the outlet pres sure pds 4 Counterclockwise rotation Reduces the tension of the adjustment spring reducing the outlet pressure pds 5 After the setting Screw on the protective cap A again C A B D E F ...

Страница 25: ...emove the protective cap A 2 Turn the external adjusting screw B using the Allen key size 3 Clockwise rotation Increases the initial tension of the adjustment spring thus increasing the outlet pres sure pds 4 Counterclockwise rotation Discharges the adjustment spring reducing the outlet pressure pds 5 After the setting Screw on the protective cap A again B A E F D ...

Страница 26: ...djusted by turning the adjustment screw B 1 Turn the adjusting screw B using the spanner size 2 Clockwise rotation Increases the initial tension of the adjustment spring thus increasing the outlet pres sure pds 3 Counterclockwise rotation Discharges the adjustment spring reducing the outlet pressure pds B D E F ...

Страница 27: ...cap A again NB Adjusting the low pressure cut off pressure affects the overpressure cut off pressure Set the low pressure cut off first A mutual influence of the pressure regulator and the safety shut off valve must be excluded Calculation of the recommended set values accord ing to the outlet pressure of the regulator pd The SAV must lock as soon as 1 1 times the max system specific operating pre...

Страница 28: ...mbar Accuracy class AC 5 Upper cut off pressure accuracy class SAV AGo 10 Lower cut off pressure accuracy class SAV AGu 10 Response group of the SBV AG 5 Result Group of devices Device data Pressure graduation Safety devices against over pressure Gas pressure regulator Safety device against under pressure AGo 10 SAV AGo 10 AG 5 SBV AG 5 440 mbar 400 mbar 360 mbar 315 mbar 300 mbar 285 mbar pd pdo ...

Страница 29: ...lacement B Remove the protective cap A A 2 Unscrew adjustment screw E Unscrew the adjust ing nut B counterclockwise as far as it will go 1 11 4 1 Type UHD Remove from the spring housing F the shut off cover C using a hook wrench 90 155 F 3 C C 4 Remove the cap C ...

Страница 30: ... spring E from the spring chamber F 6 7 Insert a new spring with the appropriate adjustment range 8 Place the disc D with the ball back on the spring 9 Screw on the shut off cap C again on the spring dome Tighten the adjusting screw B until the desired spring pre load is reached Re fit the protective cap A ...

Страница 31: ...63 31 72 11 4 2 Type ND MD for 1 1 1 2 DN25 and type HD Remove the protective cap A A 1 B 2 Release the setpoint spring E Completely loosen adjusting nut B counterclockwise B 3 Remove the adjusting nut B Remove the washer D D 4 ...

Страница 32: ...ring E Unscrew the adjust ing cap B counterclockwise as far as it will go 11 4 3 Type ND MD for 2 DN40 and DN50 6 Insert a new spring with the appropriate adjustment range 7 Place the washer D back on the spring 8 Screw the adjusting nut B back into the spring dome until the desired initial spring tension is reached Re fit the protective cap A ...

Страница 33: ... D 3 E Remove the adjustment spring E from the spring chamber F 4 5 Insert a new spring with the appropriate adjustment range 6 Place the disc D with the ball back on the spring 7 Screw the adjusting cap B into the spring dome until the desired initial spring tension is reached ...

Страница 34: ...ition 05 20 Nº 279 663 11 5 Spring replacement SAV 11 5 1 Spring replacement Wdso 1 Unscrew the adjusting spring B from the spring dome G using an open ended wrench 22 B Remove the protective cap A A 2 B D G 2 1 G ...

Страница 35: ...ing dome G 2 Install new spring 3 Tighten the adjust ing screw B and the washer D in the spring dome using an open ended wrench size 22 until the required spring preload is reached 4 E 11 5 2 Spring replacement Wdsu 1 Remove adjusting screw C from the inner black spring dome H using a spanner size 17 2 C H ...

Страница 36: ...3 3 1 Remove the spring F from the spring dome 2 Install new spring 3 Tighten the adjust ing screw C in the spring dome H using a spanner size 17 until the de sired spring preload is reached H F 4 Screw on the protective cap A again A ...

Страница 37: ...be closed 3 Release the test section Release gas in the test sec tion in a controlled and safe manner into the atmos phere 4 Test pressure blow off pressure SBV Block the line upstream of the SBV 5 Connect the test section to the test device and apply pressure 6 Test pressure 1 1 x system specific operating pres sure PS maximum of the device Please take into account the different compressive stren...

Страница 38: ...he protective cap A from the push rod and screw it again on the spring dome G 4 0 Venting 4 1 Vent the test section into the atmosphere using a suit able hose Do not use a test burner for venting 4 2 The test section must be completely filled with gas make sure that the test section is free from air by us ing a test burner Close the stop cock on the venting hose and screw on the plug 5 0 Checking ...

Страница 39: ...ng the specifications under point 11 2 and check it again 7 0 Check the lower shut down pressure pdu 7 1 Release the pressure in the test section on the outlet side until the operating pressure is reached 7 2 Release the gas in a controlled and safe manner into the atmosphere 7 3 Monitor the pressure drop on the pressure gauge 7 4 Unlock the SAV 7 5 Slowly close the shut off valve on the inlet sid...

Страница 40: ...stment range of the SAV is outside the outlet pressure Replace the SAV or the ASE The SAV does not switch or does not respond The pulse line is not connected Connect install the pulse line The pulse line is clogged Clean the pulse line The pulse line has leaks Seal the pulse line The pulse line is damaged Replace the pulse line The pulse pressure is outside the adjustment range Adjust the locking ...

Страница 41: ...e O rings juntas on the regulator are damaged Replace the O rings of the regulator The O rings of the SAV are damaged Replace the O rings of the SAV The outlet pressure cor responds to the inlet pres sure during operation The pulse line is not connected Install the pulse line The pulse line is closed Check the pulse line The pulse line has leaks Seal the pulse line The working diaphragm is damaged...

Страница 42: ... only original spare parts Do not use alcohol based or solvent containing cleaning solutions for cleaning the device Prior to maintenance Shut off valves both on the inlet and outlet side are closed Line is depressurised and free from combustible gas Prevent explosive gas air mixture the room atmosphere must constantly be monitored using appropriate gas concentration measuring devices for the dete...

Страница 43: ...MC Edition 05 20 Nº 279 663 43 72 Type UHD X Y Q S W V M C A B D E G F J K L N P H O R U I ...

Страница 44: ...44 72 MC Edition 05 20 Nº 279 663 Type ND MD for 1 1 1 2 and DN25 and type HD M B A E G F L N H X Y Q S W V Z2 O I T Z1 J ...

Страница 45: ...MC Edition 05 20 Nº 279 663 45 72 Type ND MD for 2 DN40 DN50 M B D E G F J K L N H X Y Q S W V O I T ...

Страница 46: ...aintenance instructions 14 2 1 Preparation 14 2 2 Replace working membrane Follow the steps shown in section 11 4 to extract the regulating spring 14 2 2 1 Type UHD 1 Loosen the screws G using an Allen key size 5 G 2 F Remove the upper membrane cover F ...

Страница 47: ... size 13 Remove the disc from the spring K K 4 Remove the safety spring L L 5 Remove the working membrane M from the guide rod N Check the condition of the working membrane If necessary use a new working membrane M maintenance set 20 or 24 as appropriate when reassembling M 6 ...

Страница 48: ...Edition 05 20 Nº 279 663 1 Loosen the screws G using an Allen key size 5 G 2 Remove the upper membrane cover F F 14 2 2 2Type ND MD for 1 1 1 2 DN25 and type HD H 7 Replace the O ring H Z2 3 Remove the washer Z2 ...

Страница 49: ... 1 2 and DN25 ND and MD J 6 Remove the working membrane M from the guide rod N Check the condition of the working mem brane If necessary use a new working membrane M maintenance set 17 18 19 or 23 as appropri ate when reassembling M H 7 Replace the O ring H 5 Remove the safety spring L L ...

Страница 50: ...0 Nº 279 663 3 Loosen the nut J using a spanner size 13 J Remove the disc from the spring K K 4 14 2 2 3 Type ND MD for 2 DN40 and DN50 1 Loosen the screws G using an Allen key size 5 G 2 Remove the upper membrane cover F F ...

Страница 51: ...e the working membrane M from the guide rod N Check the condition of the working membrane If necessary use a new working membrane M maintenance set 21 or 22 as appropriate when reassembling H 7 Replace the O ring H Remove the safety spring L L 5 ...

Страница 52: ...t 1 Loosen the pulse line outlet of the SAV with a spanner measuring 14 14 2 3 1 Type UHD 2 Remove the screws O from the body X using a spanner size 13 1 1 1 2 DN25 or 17 2 DN40 DN50 3 O 4 Remove the regulator hood P from the body X Replace the O ring Q Q P X ...

Страница 53: ...e seat V Unscrew from the body X the valve seat V using the socket wrench 6 Screw a new valve seat V of the desired size with a new O ring W maintenance set 3 4 5 6 as re quired onto the body X 1 Loosen the pulse line outlet of the SAV with a spanner measuring 14 14 2 3 2 Type ND MD for 1 1 1 2 DN25 and type HD Y V ...

Страница 54: ...on 05 20 Nº 279 663 3 4 5 6 Replace valve seat V Unscrew from the body X the valve seat V using the socket wrench Remove the regulator hood P from the body X Replace the O ring Q Remove the seal assembly S Q P X S X ...

Страница 55: ...he desired size with a new O ring W maintenance set 3 or 4 as required into the body X 1 Loosen the pulse line outlet of the SAV with a spanner measuring 14 2 14 2 3 3 Type ND MD for 2 DN40 and DN50 Remove the screws Y from the body X using a spanner measuring 17 V Y ...

Страница 56: ...Unscrew from the body X the valve seat V using the socket wrench 5 Screw a new valve seat V of the desired size with a new O ring W maintenance set 5 or 6 as required onto the body X 3 6 Replace the O ring Q Remove the regulator hood P from the body X Q P X V ...

Страница 57: ...279 663 57 72 14 2 4 Replace seal 14 2 4 1 Type UHD 1 2 Loosen the nuts R 3 4 Remove the R nuts Remove the fastening screwsT from the lever set with a size 4 Allen key Remove the U clamping plates from the lever set R T U ...

Страница 58: ...58 72 MC Edition 05 20 Nº 279 663 7 8 5 6 Remove the lever set I Remove the bottom cover O Replace the O ring Q Replace seal assembly S maintenance set 8 11 13 or 16 as required I O Q S ...

Страница 59: ...and type HD See section 14 2 3 2 steps 1 to 5 and replace with maintenance kit 7 8 10 12 13 as appropriate 14 2 4 3 Type ND MD for 2 DN40 and DN50 1 2 Remove the fastening screws T from the lever set with a size 5 Allen key Remove the lever set I by unlocking the seal T I ...

Страница 60: ...60 72 MC Edition 05 20 Nº 279 663 5 3 4 Remove the bottom cover O Replace seal assembly S maintenance set 9 14 21 or 22 as required Remove the lever set I I O S ...

Страница 61: ...locking pressure adjustment spring G Upper diaphragm disc only in the version HD H Allen screws 6 units I Spring dome ASE J Top locking pressure adjustment screw K Bottom locking pressure adjustment screw L Protective cap M ASE housing N O ring O Connecting piece ASE housing P Threaded Allen screws 4 units Q ASE 14 3 Maintenance instructions SAV M O N P Q ...

Страница 62: ...m 2 Remove the protec tive cap L 3 Release the adjusting springs at the adjust ing screws J and K 2 14 3 2 Separate the ASE from the body 14 3 1 Preparation Q P Loosen the four hexago nal socket grub screws P M 5x8 using an Allen key size 2 5 Remove the ASE Q from the body using a hook wrench 60 90 ...

Страница 63: ...ASE on the body 1 Insert a new O ring N maintenance set 4 or 5 into the groove provided in the housing M 2 Screw the thread of the connecting piece O onto the body M using a hook wrench 60 90 3 Fix the connecting piece O of the ASE Q using 4 hexagonal socket grub screws P M5x8 ...

Страница 64: ...64 72 MC Edition 05 20 Nº 279 663 14 4 Tools required A B C2 D C1 ...

Страница 65: ...0 D 60 90 60 90 60 90 4 Replace the working membrane in the ASE Internal hex key C2 ND MD HD 4 4 4 SAV Work step Tool designation Pressure rating Wrench size DN 25 DN 40 DN 50 1 Loosen the pulse line Open ended wrench A ND MD HD 24 24 24 2 Release the adjusting springs Open ended wrench A ND MD HD 24 24 24 Jointed hook wrench with pins D UHD 90 155 90 155 90 155 3 Replace the working membrane Inte...

Страница 66: ...6 Observe the waiting time necessary for the pressure compensation according to the system specific vol ume External leakage 7 Use a suitable leak detection spray on the device 8 Monitor the foam formation Internal leakage 9 Release the pressure in the test section downstream of the device 10 Monitor the pressure increase on the outlet side Pressure gauge accuracy 0 1 mbar 11 Once the leakage test...

Страница 67: ...M NOC10010 15 XX 287755 4 KIT SHELL M 30 ORING FRM NOC100025 XX 287756 5 KIT SHELL M 45 ORING FRM NOC10020 040XX 287757 6 KIT SHELL M 56 ORING FRM NOC100050 XX 287758 7 SEAL O RING BODY AND COVER FRM NOC10010 15 ND MD 287759 FRM NOC10010 15 HD UHD 287760 FRM NOC10020 040 ND MD 287761 FRM NOC10020 040 HD 287762 FRM NOC10020 040 UHD 287763 FRM NOC100025 ND MD 287764 FRM NOC100025 HD UHD 287765 FRM N...

Страница 68: ...3 10 15 25 HD MEMBRANE FRM NOC10010 15 025 HD 287771 20 MEMBRANE 1000414 10 15 25 UHD MEMBRANE JOINT FRM NOC10010 15 025 UHD 287772 21 MEMBRANE 1000421 20 40 50 ND MEMBRANE JOINT FRM NOC10020 040 050 ND 287773 22 MEMBRANE 1000422 20 40 50 MD MEMBRANE JOINT FRM NOC10020 040 050 MD 287774 23 MEMBRANE 1000413 20 40 50 HD MEMBRANE SPACER JOINT FRM NOC10020 040 050HD 287775 24 MEMBRANE 1000424 20 40 50...

Страница 69: ...26 ASE WITH O RING FRM NOC10010 15ND 287777 FRM NOC10010 15MD 287778 FRM NOC10010 15HD UHD 287779 FRM NOC10020 040ND 287780 FRM NOC10020 040MD 287781 FRM NOC100025ND 287783 FRM NOC100025MD 287784 FRM NOC100025HD UHD 287785 FRM NOC100050ND 287786 FRM NOC100050MD 287787 FRM NOC100050HD UHD 287788 15 2 List of spare parts SAV ...

Страница 70: ...idity Ozone Stress condition of the component Proper storage Storage temperature between 5 C and 20 C No direct solar radiation No direct heat sources in the storage area No exposure to ozone Tension free storage Storage in polyethylene bags Do not exceed the max storage periods of 3 years pd Flow volume Nm3 h pd 10 pd 10 max flow volume AC 10 pd Setpoint min flow volume AC 10 min flow volume 0 1 ...

Страница 71: ...d density of pn 0 83 kg m3 and and a gas inlet temperature of t 15 C The mass flow through a nozzle increases with a constant inlet pressure and a decrease in pressure after the nozzle until it reaches its maximum when the pressure ratio is critical and thereafter remains constant With constant outlet pressure an additional increase in inlet pressure causes an increase in the mass flow through the...

Страница 72: ...1 N A 15 EN 88 1 EN 88 2 Gas valve with valve testing system2 after error detection EN 1643 Gas valve without valve testing system2 50 000 200 000 based on the nominal diameter 10 EN 161 Combined gas air systems N A 10 EN 12067 2 EN 88 1 1 Decreased efficiency of operating characteristics due to ageing 2 Gas families I II III N A not applicable It is necessary to replace safety relevant components...

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