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Landis+Gyr 750, Инструкция по установке, пусконаладке и обслуживанию

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Model 750 Gas Meter 

Installation, Commissioning and Maintenance Manual

 

 

Page 14 of 17 

© Gyr  

 

17-May-2016 

Due to continuous product development the details above are subject to change without notice. Whilst Gyr has taken all reasonable 

care in reviewing the information in this document, Gyr makes no representations in respect of, gives no guarantees or undertakings in 

relation to, and to the maximum extent permitted by law, excludes all warranties in relation to, the accuracy or completeness of the information 

in this document. Prospective users of this information should make their own enquiries as to its accuracy and reliability. 

 

 

 

 

 

 

750115

 

 

 

index cover (window) Top Read Z4 (32319790) 
 part of 750113 

 

 

 

 

 

 

750029

 

 

 

index gasket Z4/Z5 (32446539) part of 750113

 

750030

 

 

 

 

 

 

 

X

 

Meter Assembled without Index or Badge

 

 

 

750060

 

 

 

 

 

 

 

Outlet Pipe Complete

 

 

 

 

 

750061

 

 

 

 

 

Outlet Pipe Moulded (32319623)

 

 

 

 

 

750062

 

 

 

 

 

Top o-ring 27x2 NBR 70 Shore A (3110001)

 

 

 

 

 

750063

 

 

 

 

 

Bottom o-ring 34x2,5 NBR 70 Shore A (3110496)

 

750070

 

 

 

 

 

 

 

X

 

Meter Assembled w/o Index or Badge c/w Non-Return

 

 

 

750065

 

 

 

 

 

 

 

Outlet Pipe Complete c/w Non-Return Valve

 

 

 

 

 

750064

 

 

 

 

 

Non-Return Assembly

 

 

 

 

 

750061

 

 

 

 

 

Outlet Pipe Moulded (32319623)

 

 

 

 

 

750062

 

 

 

 

 

Top o-ring 27x2 NBR 70 Shore A (3110001)

 

 

 

 

 

750063

 

 

 

 

 

Bottom o-ring 34x2,5 NBR 70 Shore A (3110496)

 

 

 

750031

 

 

 

 

 

 

O-ring Top/Bottom 3.5x190 NBR 70 Shore A      

 

 

 

750066

 

 

 

 

 

 

Replaced by 750031 (was 4x190mm)

 

 

 

610019

 

 

 

 

 

 

 

Meter CS Screws M6x16 Molybond Coated (4 Reqd)

 

 

 

750032

 

 

 

 

 

 

 

Magnetic Coupling Complete (72910105)

 

 

 

 

 

750033

 

 

 

 

 

Bearing Pot (32445487) part of 750032

 

 

 

 

 

750034

 

 

 

 

 

Sealing Washer (32446256) part of 750032

 

 

 

 

 

750035

 

 

 

 

 

External Magnetic Ring (32446644) part of 750032

 

 

 

 

 

750036

 

 

 

 

 

Internal Magnetic Ring (32446643) part of 750032

 

 

 

750037

 

 

 

 

 

 

 

Measuring Unit Complete with Bracket (72910104)

 

 

 

 

 

 

 

750038

 

 

 

Measuring Unit (72319317)

 

 

 

 

 

 

 

750039

 

 

 

Bracket (2 Reqd) (32319207) 

 

 

 

 

 

750040

 

 

 

 

 

Top Case Complete

 

 

 

 

 

 

 

750041

 

 

 

Top Case Painted c/w Test Nipple Screw

 

 

 

 

 

 

 

750042

 

 

 

Top Case Machined

 

 

 

 

 

 

 

750043

 

 

 

Top Case Cast

 

 

 

 

 

 

 

204006

 

X

 

PTN Screw M4x7 WashF Zinc BlackPas 
Replaced with 750021

 

 

 

 

 

 

 

750021

 

X

 

PTN Screw ISO 7045 -M4x8 -4.8 -H Zn-galv

 

 

 

 

 

750050

 

 

 

 

 

Bottom Case Painted

 

 

 

 

 

 

 

750051

 

 

 

Bottom Case Cast

 

 

 

 

 

X

 

Items marked X are variables as defined in each BOM

 

 

Содержание 750

Страница 1: ... other database of these documents requires the written approval of Landis Gyr Due to continuous product development these details are subject to change without notice Model 750 Gas Meter Installation Commissioning and Maintenance Manual Revision 750002 Model 750 Installation Commissioning and Maintenance Manual 17th May 2016 Landis Gyr ...

Страница 2: ...______________________________________________________________8 STORAGE ________________________________________________________________________________8 TRANSPORTATION ________________________________________________________________________8 INSTALLATION ____________________________________________________________________________8 PUTTING INTO OPERATION ___________________________________________...

Страница 3: ...s that demonstrate the long life and high accuracy for in excess of 20 million cycles Exceeds the endurance testing requirements of both the European Standard EN1359 1999 and the Australian Gas Association AG702 which are in excess of the endurance testing requirements as specified in OMIL Recommendation 31 Pressure Absorption The slow revving operation 2 litres cycle the low friction valve assemb...

Страница 4: ...IMENSIONS MATERIAL OF CONSTRUCTION For more details refer to Document Number 750004 Model 750 Material Weight and Recyclability Table 1 Materials of Construction Material Housing Diecast Aluminium Centre Block PBT polybuylene terephthalate Grid Valves PF Phenoplastic Diaphragm Plates Pans Steel Rods Shafts Steel Valve Guide Steel Diaphragms Moulded PET and Elastomer Index window PC UV Stabilised P...

Страница 5: ...ation to pass initial testing however sustained accuracy over time comes down to the quality the design and construction of the meter Landis Gyr has always recognised that the cost of changing meters in the field coupled with repair costs is significant and a meter with a shorter field life also attracts other costs including uncertain revenue collection and hidden but real cost associated with a ...

Страница 6: ...ge Although magnahelic and transducers can be used to determine absorption and oscillation these devices must be calibrated to the reference standard a the British Slope Gauge as described in AG702 The acceptance criteria for pressure absorption is no greater than 125Pa through all flow rates and for oscillation 75Pa through all flow rates METER ACCURACY TREND Trend is the accuracy at 100 Qmax min...

Страница 7: ...mpleteness of the information in this document Prospective users of this information should make their own enquiries as to its accuracy and reliability INDEPENDENT ENDURANCE TESTING RESULTS 0 2 Qmax EN1359 1998 Endurance Test Results Conducted by Independent Accredited Laboratory DVGW Forschungstelle 3 2 1 0 1 2 3 0 5000 10000 15000 20000 25000 30000 Volume m3 5000h Qmax Percentage Error 13627419 ...

Страница 8: ...paired resulting in improper measurement and loss of revenue STORAGE Diaphragm meters should be stored upright in a clean dry place and fitted with dust caps on the inlet and outlet connections This will exclude debris that can be detrimental to the meter s internal components TRANSPORTATION Diaphragm meters should be transported upright be suitably restrained and properly cushioned to prevent the...

Страница 9: ...eam of the meter to be sure that all connections are made up and tight or that the downstream valve if there is one is closed CARE must be taken to prevent excessive flows and high pressure drops across the meter If CARE is not exercised when pressurising the meter over speeding of the meters internal mechanism may result in internal damage to the meter To prevent over speeding the pressure drop a...

Страница 10: ...phide and water Therefore the service life will be dramatically affected accordingly WARNING PURE OXYGEN All regulators and meters supplied by Landis Gyr are NOT SUITABLE for pressure regulating or measuring PURE OXYGEN Special meters and regulators made from specific materials are required to prevent heat build up as a result of friction etc SERVICE LIFE INTERNAL CORROSION Service life varies acc...

Страница 11: ...ning and closing of the reed switch All meters are fitted with a magnet in the last index wheel and hence each meter is pulse retro fittable while in service by use an External Pulse Module without the need to interfere with the metrology of the meter or the meter seals The pulse output is 1 pulse per 10 litres No other pulse output values are available Picture right shows the Model 750 Meter with...

Страница 12: ... 750085 PULSE OUTPUT INSTALLATION INSTRUCTIONS IN Z41 Assembly 1 Push connect pulse cable into Pulse Module Housing 1 IN Z41 Security Sealing Pin Wire 1 Insert sealing Pin 6 into Pulse Module Housing 1 2 Seal using wire length 9 and Lead Seal 10 if desired IN Z41 Installation to Index 1 Attach the pulse module to the meter index 2 Insert Copper Ring 3 and Lead Pin 2 3 Squash Lead Pin 2 using plier...

Страница 13: ...ed Plastic Seal Z4 Z5 3 Reqd 32446710 750013 X Red Plastic Seal NSW EL 3 Reqd 750014 X Red Plastic Seal 750 NZ 3 Reqd 750101 Change Gear for gas meter 3747000 750102 Change Gear for index 3747500 750020 Index Front Facing Complete 750021 Index Screw ISO 7045 M4x8 4 8 H Zn galv 4 Reqd 750022 Index Cover hydrophilic coated 7502XX X Index Plate Printed Customer Specific 750023 index plate source part...

Страница 14: ... o ring 34x2 5 NBR 70 Shore A 3110496 750070 X Meter Assembled w o Index or Badge c w Non Return 750065 Outlet Pipe Complete c w Non Return Valve 750064 Non Return Assembly 750061 Outlet Pipe Moulded 32319623 750062 Top o ring 27x2 NBR 70 Shore A 3110001 750063 Bottom o ring 34x2 5 NBR 70 Shore A 3110496 750031 O ring Top Bottom 3 5x190 NBR 70 Shore A 750066 Replaced by 750031 was 4x190mm 610019 M...

Страница 15: ...lation to the accuracy or completeness of the information in this document Prospective users of this information should make their own enquiries as to its accuracy and reliability Miscellaneous L0331 Grease Kluber Isoflex Topas NB5051 L0332 Oil Kluber Constant OY32 A0339 Pressure Test Nipple Sealant Accessories BKNut M5 Nyloc Nut 15006 M5x12 Screw Molybond Coated 750080 Box for Four 4 Meters 75008...

Страница 16: ...ng the information in this document Landis Gyr makes no representations in respect of gives no guarantees or undertakings in relation to and to the maximum extent permitted by law excludes all warranties in relation to the accuracy or completeness of the information in this document Prospective users of this information should make their own enquiries as to its accuracy and reliability ASSEMBLY DR...

Страница 17: ...able care in reviewing the information in this document Landis Gyr makes no representations in respect of gives no guarantees or undertakings in relation to and to the maximum extent permitted by law excludes all warranties in relation to the accuracy or completeness of the information in this document Prospective users of this information should make their own enquiries as to its accuracy and rel...

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