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Summary of Contents for RMG TRZ 03
- Page 1 Turbine Meters TRZ 03 and TRZ 03-K TRZ 03 TRZ 03-K OPERATING INSTRUCTIONS Reliable Measurement of Gas Status: 2018 September, 10th Version:...
- Page 2 Internet home-page www.rmg.com. Date created October 2008 … revision date November 2017 revision date July 2018 revision date 2018 September, 10th Dokument version and Dokument TRZ03_manual_en_08 language Version 2018 September, 10th Language Manual TRZ 03· EN08 2018 September, 10th...
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Page 3: Table Of Contents
........................33 METER HEAD “F-D“ ........................ 35 METER HEAD “A“ ........................37 METER HEAD “D“ ........................38 METER HEAD 3.4.1 Connection of additional equipment ................39 ............................41 ENERAL ........................41 ULSE TRANSMITTERS Manual TRZ 03· EN08 ·2018 September, 10th... - Page 4 DEPENDING ON THE OPERATING PRESSURE IN NATURAL GAS ......69 ALUES FOR SECONDARY METERING FOR METERS WITHOUT APPROVAL ....................70 VERVIEW OF THE MATERIALS USED ANNEX ..............................71 Certificates for LF-/HF-sensors and encoder ................71 Certificates ............................73 Manual TRZ 03· EN08 2018 September, 10th...
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Page 5: Introduction
Measurement Instruments Directive PED (DGRL) Pressure Equipment Directive (Druckgeräterichtlinie) min. minimum 1.1.2 Symbols The following symbols are used: 1, 2, … Marks steps within a work operation Manual TRZ 03· EN08 ·2018 September, 10th... -
Page 6: Layout Of Instructions
This notice may also give to you tips on how to simplify your work. With this screen, you additionally receive further information on the device or the work process. Manual TRZ 03· EN08 2018 September, 10th... -
Page 7: Using The Turbine Meter Trz03
Always keep the operating instructions within reach for use at the place of installation. For safe operation, the safety instructions must be observed and followed. The manufacturer is not responsible for any damage that result as a consequence of not observing the operating instruction. Manual TRZ 03· EN08 ·2018 September, 10th... -
Page 8: Hazards During Commissioning
Hazards during commissioning Initial start up Initial start-up must only be carried out by especially trained personal (training by RMG) or by service personal from RMG. Notice After the initial start-up an inspection report shall be drawn up. This, the operation manual and CE declaration of conformity must always be accessible. - Page 9 The specialist personnel require a training especially for electrical installation working in potentially explosive environment. Specialist personnel are persons that can verify a training / further education according to DIN VDE 0105, IEC 364 or a similar national standard. Manual TRZ 03· EN08 ·2018 September, 10th...
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Page 10: Danger When Using, Servicing And Maintaining
It is important to pay attention to the descriptions of the operation manual during the installation process. It is generally recommended to ask the RMG Service for any installation or removal. After working on pressurized components, a control of leaks must be carried out. -
Page 11: Specialized Knowledge Required
• Possible dangers are, e.g., components under pressure or the result of incorrect installation. • Recognize dangers that could be caused by the used flow medium. • Training / education by RMG for working with gas measuring instruments. • Education / instruction in all country-specific standards and directives to be observed for work that is to be carried out on the device. -
Page 12: Risk Assessment And Mitigation
The TRZ03 subjects to risks in its use, which were judged by qualified staff of the company RMG. Risks may arise due to high pressures, more rarely by too low. Even work outside the permissible temperature range can lead to danger. Invalid current and voltage values can trigger explosions in hazardous areas. -
Page 13: Validity Oft He Manual
This manual describes the turbine meter TRZ03. The TRZ03 is only a part of a complete on-site system. Observe also the instructions of other components of the site system. If you find contradicting instructions, please contact RMG. Notice Make sure that the performance of the power connector corresponds to the data on the nameplate. - Page 14 You must establish clearly the responsibilities for installation, operation, trouble- shooting, maintenance and cleaning. Point out to your staff any risks involved when using the device. Manual TRZ 03· EN08 2018 September, 10th...
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Page 15: Transportation
Supplied number of parts may differ depending on the optional customer order. "Usually" the following is included in the scope of delivery: Teil Quantity Turbine meter TRZ 03 1 small bottle of oil for lubrication Manual Test report Manual TRZ 03· EN08 ·2018 September, 10th... -
Page 16: Dispose Of Packaging Material
Avoid long periods of storage. Check the device after any storage for damage and functionality. Ask for a check from the RMG service after a storage period for the device of over one year. In this case please send the device to RMG. -
Page 17: Structure Of The Manual
1.3 Overview, Function and Application The TRZ 03 turbine meters are flow meters which can be used for custody transfer metering. Or more precisely for measuring the volume at measurement conditions of non-aggressive gases and fuel gases. The TRZ 03-K turbine meter can only be used for secondary metering. - Page 18 The TRZ 03 und TRZ 03-K are approved for the use in explosive areas; the indication is: II 1G Ex ia IIC T4...
- Page 19 EN 437:2009 for test gases. The following instructions must be observed: Notice The RMG TRZ 03 und TRZ 03-K can be operated in any mounting orientation up to DN200, from the DN 250 is a horizontal orientation is required. If a mounting orientation is specified when ordering, the meter has to be installed in this orientation.
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Page 20: Method Of Operation
The totalizer (Vo) can be transmitted digitally to a flow computer. The necessary pressure and temperature values can be recorded in the pr connection (pressure) and via one (or more) temperature sensors in the immersion pocket. Manual TRZ 03· EN08 2018 September, 10th... -
Page 21: Approvals
10 Vm (flow rate at measuring conditions) 20 Flow straightener Figure 1: Sectional drawing of a turbine meter 1.5 Approvals Type TRZ 03 has been approved for custody transfer metering. The following ap- provals have been obtained: • MID – approval number No. -
Page 22: Standards / Guidelines
PTB Testing Instructions, Vol. 29 and 30, Testing of volume gas meters with air under atmospheric and high pressure. The RMG turbine meters of type TRZ 03 comply with EN12261, as well as to the MessEV MID (2014/32/EU). -
Page 23: Measuring Ranges
/ Pressure classes TRZ03 (PTB) and 6.2 Measuring ranges / Dimensions / Pressure classes TRZ03-K). For types TRZ 03 this is the flow range where the gas meter must indicate correct values within the error limits specified by the German Metering and Calibration Rules. -
Page 24: Accuracy Of Measurement
(DN 50, DN 80: 3 %) (DN 50: 1,5 %) maximum error due to the German Metering and Calibration Rules It will be checked whether these limits are observed. They also apply to the high- pressure range. Manual TRZ 03· EN08 2018 September, 10th... -
Page 25: Temperature Ranges
Under identical conditions, is as follows: 0,1% TRZ 03, TRZ 03-K: 1.10 Temperature ranges For the standard designs of the turbine meters of types TRZ 03 and TRZ 03-K, the following temperature ranges are permitted: MID: -25°C to +55°C... -
Page 26: Pressure Loss
1 Introduction 1.11 Pressure loss The pressure loss of RMG turbine meters has been reduced to a minimum thanks to modifications with regard to design. The measuring points for pressure loss are located 1 x DN upstream and downstream of the gas meter. The pressure loss is calculated using the following formula: p... -
Page 27: Pressure Tap
Freon (gaseous) 5,66 Standard O-rings / lubrication Helium 0,18 Standard Reduced measuring range Hydrogen 0,09 Special Reduced measuring range Hydrogen sulphide 1,54 Special Special measuring element (0,2%) Methane 0,72 Standard Nitrogen 1,25 Standard Manual TRZ 03· EN08 ·2018 September, 10th... -
Page 28: Installing The Device In The Pipeline
City gas Standard 1.14 Installing the device in the pipeline The units of RMG are equipped with flanges. The flange connections for the con- nected pipes must comply with the connecting dimensions of the flanges of the unit: • ANSI-pressure levels: Flange in accordance with ASME B 16.5. - Page 29 The stability of the flange connection for gaskets and bolts with certain material properties (see chapter 2.2.4 Seals and chapter 2.2.5 Screws) was proved to AD2000 regulations. • Other screw / flange - variants were not verified. Manual TRZ 03· EN08 ·2018 September, 10th...
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Page 30: Installation And Commissioning
(see DVGW Guideline G 492II and PTB Guideline G13). An inlet pipe of a minimum of 2 x DN is required upstream of the RMG TRZ 03 turbine meter. The inlet pipe must be designed as a straight pipe sec- tion of the same nominal diameter as the gas meter. - Page 31 The protective screen can be a perforated plate of sheet metal with a hole diameter of 3 mm which is available from RMG. • The pm tap which is located on the RMG turbine meter is the pressure- measuring point which was used for taking the relevant pressure at meas- urement conditions during meter proving.
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Page 32: Operating Data
Start-up screens (mesh width < 0.15 mm) • Filters • Perforated plates (Ø 3 - 4 mm) protecting the gas meter • Valves with control drive mechanism (flow variation) • Non-return valves (pulsation and return flow) • Manual TRZ 03· EN08 2018 September, 10th... -
Page 33: Technical Guidline G 13
2 Installation and Commissioning 2.2.2 Technical Guidline G 13 The installation conditions for new stations complying with TRG G 13 and the sim- pler installation conditions for RMG turbine meters are compared in the table be- low. Type of flow Installation... -
Page 34: Perforated-Plate Straighteners
D 81 / 7.211.10 for turbine meters. 2.2.4 Seals It must be guaranteed that flange seals of RMG turbine meters do not protrude from the flange into the gas line. All seals approved as per AD2000-Regelwerk can be used depending on the re- quirements for stability and reliability. - Page 35 ANSI 300 / ANSI 600 PN 64 2" 69,8 88,9 3" 98,4 123,8 4" 123,8 154,0 6" 177,8 212,7 8" 228,6 266,7 10" 282.6 320.7 12" 339.7 377.8 16" 422.3 466.7 20" 530.2 581.0 24“ 631.8 682.6 Manual TRZ 03· EN08 ·2018 September, 10th...
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Page 36: Screws
ANSI B1.1 made of terial 42CrMo4 25CrMo4 terial ASTM A194 material ASTM A320 Grade 2H Grade L7 Expansion bolts may only be used on devices within the scope of the Pressure Gauge Directive. Manual TRZ 03· EN08 2018 September, 10th... -
Page 37: Types Of Totalizers
3 Types of totalizers 3. Types of totalizers The RMG turbine meter TRZ 03 can be fitted with different totalizers. 3.1 Type „F“ meter head The current standard design is type “F” meter head without mechanical drive shaft couplings. You can see this design in Figure 3: Type “F” meter head. Optionally, an ENCO 08 encoder can also be integrated in the meter head (see Figure 1: Sec- tional drawing of a turbine meter). - Page 38 The ENCO-08 output connector is placed in the meter head. It is 3-pole and has the assignment: 1 – Vo (+) 2 – --- (not used) 3 – Vo (-) 4 – PE (protective earth) Manual TRZ 03· EN08 2018 September, 10th...
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Page 39: Type "F-D" Meter Head
Figure 4: Type “F-D“ meter head For dimensions and instructions for the connection see the description of the type “D” meter head (see below). Notice Especially note the maximum permissible torques (see the table below)! Manual TRZ 03· EN08 ·2018 September, 10th... - Page 40 4000 2500 4000 4000 6500 1300 4000- 6500 1300 4000 6500 1300 6500 10000 1000 2000 6500- 10000 1000 2000 6500 10000 1000 2000 10000 16000 1600 3200 16000 25000 1300 2600 5000 Manual TRZ 03· EN08 2018 September, 10th...
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Page 41: Type "A" Meter Head
Figure 5: Type “A“ meter head The totalizer has the following features: LF pulse transmitter • - Standard: reed-contact - Alternatively: induktive pulse transmitter HF pulse transmitters are optionally available, • pulse frequency approx. 100 Hz at Q Manual TRZ 03· EN08 ·2018 September, 10th... -
Page 42: Type "D" Meter Head
If no additional equipment is used, the drive shaft couplings are sealed. The rotation rates of the drive shaft coupling depend on the meter size (see table). Manual TRZ 03· EN08 2018 September, 10th... -
Page 43: Connection Of Additional Equipment
Warning When selecting cables, it must be ensured that the permitted threshold values according to the EC type examination certificate of the relevant equipment are not exceeded. Manual TRZ 03· EN08 ·2018 September, 10th... - Page 44 Nmm stated in the table below apply in relation to the flow range and the nominal diameter. Nominal dia. DN Sizes [m³/h] [m³/h] [Nmm] [bar] 1000 1000 1600 1000 1600 1000 1600 0,05 Q G 1600 2500 0,1 Q 0,2 Q Manual TRZ 03· EN08 2018 September, 10th...
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Page 45: General
3.6 Pulse transmitters The TRZ 03 und TRZ 03-K K turbine meters provide different sensors which sup- ply volume pulses in a variety of frequency ranges. These pulses can be further processed by volume correctors or remote totalizers, for example. - Page 46 3 Blade monitoring system 11 Remote totalizer 4 HF1 12 Printer 5 HF2 13 Maximum-value recorder 6 HF3 7 LF 14 Min./max. contact 15 Volume corrector Figure 9: Connection options of the TRZ 03 Manual TRZ 03· EN08 2018 September, 10th...
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Page 47: Connecting Additional Devices
3.6.1 Connecting additional devices The meter heads of the RMG TRZ 03 and TRZ 03K turbine meters are fitted with a reed contact as standard. The pulse value corresponds to the rotation rate U Notice See the indicating plate on the meter head for exact frequency data. -
Page 48: Pulse Transmitters In Measuring Element (Hf 2 And Hf 3)
The two wheels are arranged in such a way that two pulse series of the same frequency are generated which are out of phase by 180°. Notice The exact frequency is determined during meter proving and is stated on a supplementary data plate on the meter housing. Manual TRZ 03· EN08 2018 September, 10th... - Page 49 (+). High-frequency pulse transmitters which go with the turbine wheel (HF 2) or the reference wheel (HF 3) are usually connected to contacts 1 and 3 (for older devices 1 and 6). Manual TRZ 03· EN08 ·2018 September, 10th...
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Page 50: Connector Pin Assignments
(meter head “F“, HF2/HF3 for older devices), Produced by Binder (series 693) 4 + LF signal reed or Namur 5 + optionally, LF or HF signal 6 + HF signal Namur 7 PE (screen) Manual TRZ 03· EN08 2018 September, 10th... - Page 51 Harting 4 + LF signal reed or Namur 5 + optionally, LF or HF signal 6 + HF signal Namur Here the cable connector is depicted. (Connecting part is provided by the customer.) Manual TRZ 03· EN08 ·2018 September, 10th...
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Page 52: Pecifications Of The Pulse Transmitters
1 mA current if switch is operated 2100 Hz Notice The power rating in terms of the intrinsic safety, refer to the added certificates (s. Annex ) Manual TRZ 03· EN08 2018 September, 10th... -
Page 53: Emperature Measurement
3 x DN or a maximum of 600 mm downstream of the turbine meter. All turbine meters of types TRZ 03 and TRZ 03-K from the nominal diameter of DN 80 (3") upwards can be fitted with a thermowell for a PT100 resistance ther- mometer. -
Page 54: Commissioning
Moreover, such overloads reduce the service life of the gas meter. Warning The gas flow must be free of foreign particles, dust or liquids. Otherwise it is recommended that filters or separators be installed. Manual TRZ 03· EN08 2018 September, 10th... - Page 55 The housing must be completely closed. When connecting and commissioning the pulse generators and the en- coder, follow the specifications of the corresponding standards • DIN EN 60079-0 and • DIN EN 60079-14 Manual TRZ 03· EN08 ·2018 September, 10th...
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Page 56: Operation
(if there is a TAZ 9 installed in an older station, this RMG device records the slow-down volume for custody transfer metering purposes with the TRZ 03). -
Page 57: Consequences
The influence is less with high gas density but increases with high mass moment of inertia (heavy impeller) or fast-running wheels. Warning Furthermore, high pulsation amplitudes may result in premature wear of shaft bearings due to in-creased load. Manual TRZ 03· EN08 ·2018 September, 10th... -
Page 58: Limiting Values
5% (peak-to-peak) and relative pressure pulsations of less than 0.1% to 0.5% (peak-to-peak). These data should be regarded as approximate values depending on the flow rate and pulsation frequency involved. Manual TRZ 03· EN08 2018 September, 10th... -
Page 59: Ubrication
ANSI 150 ANSI 300, 600 ANSI 150 ANSI 300, 600 DS (KO) DS (KO) DS (KO) DS (KO) DS (KO) DS (KO) DS (KO) DS (KO) DS (KO) Types in brackets are options Manual TRZ 03· EN08 ·2018 September, 10th... -
Page 60: Specification For Lubricating Oils
Pump 40 strokes 45 strokes (pushbutton pump) 10 strokes (lever pump) 4.2.4 Relubrication Notice The relubrication intervals are stated on an indicating plate on the meter housing. See also chapter 4.2.5 Lubrication procedure. Manual TRZ 03· EN08 2018 September, 10th... -
Page 61: Lubrication Procedure
If you have questions to the relubrication in such cases please contact RMG. 4.2.5 Lubrication procedure Proceed as follows to fill and lubricate the pumps: Pushbotton pump (KO) 1 Cover 2 Gap 3 Knurled cover Manual TRZ 03· EN08 ·2018 September, 10th... - Page 62 7 mm. Initial lubrication: 40 stokes (up to DN 200) 45 strokes (from DN 250) Relubrication: 6 strokes (every 3 months) Lever pump (GO) Cover Manual TRZ 03· EN08 2018 September, 10th...
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Page 63: Maintenance Instructions
3 strokes 4.2.6 Maintenance instructions RMG turbine meters are maintenance-free except that they require lubrication at regular intervals. Since all gas meters fitted with oil pumps are shipped with an empty oil storage tank, it is absolutely essential to fill the storage tank of the oil pump with oil and perform the initial lubrication before the gas meter is put into service (see section “Lubrication”). -
Page 64: Labelling
All important data which are necessary for operating the gas meter are stated on the plates which are affixed to the meter housing, totalizer or pulse transmitters. Main data plate of the TRZ 03 turbine meter with type “A” meter head Permitted temperature range for meter housing (PED) Maximum permitted pressure for meter housing (PED) Permitted temperature range for custody transfer metering (MID) “A”... - Page 65 5 Labelling Main data plate of the TRZ 03 turbine meter with type “F” meter head (PTB approval) Main data plate of the TRZ 03 turbine meter with type “F” meter head (MID approval) Permitted temperature range for meter housing (PED) Maximum permitted pressure for meter housing (PED) “F”...
- Page 66 Main data plate of the volumeter with type “A” meter head Main data plate of the volumeter with type “F” meter head Built-in pulse transmitters, type “A”, “D” and “F” meter heads. For use only with intrinsically safe and approved equipment. Manual TRZ 03· EN08 2018 September, 10th...
- Page 67 At 3-month intervals, 6 strokes. Lubricant: 2-4°E with 25°C. The containervolume of 8 ml is for 2½ years sufficient. Supplementary info see operating instruction. Arrow indicating the direction of flow Indication of the reference pressure tap Manual TRZ 03· EN08 ·2018 September, 10th...
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Page 68: Specifications
1230/1570 600 1600 (Measuring range 1:5) DN 500 and DN 600 only ANSI600RF (other flanges only on request) For DN50 / DN80 a measuring rang of 1:20 is only achievable for p ≥ 3 barg Manual TRZ 03· EN08 2018 September, 10th... - Page 69 6 Specifications PN pressure classes complying with DIN EN 1092, ANSI pressure classes complying with B16.5 The turbine meters of all pressure classes can be fitted with a thermowell to accommodate a resistance thermometer. Manual TRZ 03· EN08 ·2018 September, 10th...
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Page 70: Trz03-K
100 PN 10, 16, 25 (1600-25000) ANSI 150 PN 40, 64, ANSI 300, 600 DN500 and DN600 only on request. The details about pressure range, weights and dimensions must be agreed upon when ordering. Manual TRZ 03· EN08 2018 September, 10th... - Page 71 ANSI 300, 200 305 160-2500 250 10“ 160-2500 ANSI 300, 250 300 (250-4000) DN 300 - 1000 on request * Dimension “H” with built-in totalizer (with attached totalizer: dimension “H” + 28 mm) Manual TRZ 03· EN08 ·2018 September, 10th...
- Page 72 , the high pressure value for defined values of the operating pres- sure and for other gas types you can calculate it using the formula in chapter 1.8.1 Extension of the measuring range or you can contact the RMG service. Manual TRZ 03· EN08 2018 September, 10th...
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Page 73: Mid Approval
, HP value for defined values of the operating pressure and for other gas types you can calculate it using the formula in chapter 1.8.1 Extension of the measuring range or contact RMG. Manual TRZ 03· EN08 ·2018 September, 10th... -
Page 74: Depending On The Operating Pressure In Natural Gas Alues For Secondary Metering For Meters Without Verview Of The Materials Used
Aluminium and/or stainless steel bearings Ball bearings Stainless steel Shafts Stainless steel Gearing Stainless steel or plastic Magnetic coupling Stainless steel Meter head Aluminium Totalizer Plastic Meter board Aluminium, die-cast zinc or brass Manual TRZ 03· EN08 2018 September, 10th... -
Page 75: Annex
PTB 01 ATEX 2192 IFM electronic pulse Inductive proximity IECEx PTB 08.0058 D-45127 Essen transmitter switch: NF503A 8 pages Germany II 1 G Ex ia IIC T5 Ga (HF2 and HF3) * see the certificate below Manual TRZ 03· EN08 ·2018 September, 10th... - Page 76 Meter head type „F“ Low-frequency pulse transmitter LF Digital index Oil pump High-frequency pulse transmitter HF2 Reference wheel High-frequency pulse transmitter HF3 Turbine wheel connection Flow straightener Figure 12: Sectional drawing of a turbine meter Manual TRZ 03· EN08 2018 September, 10th...
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Page 77: Certificates
EC type examination certificate ATEX Certificate for Production Quality Assurance Notification Certificate for Pressure Equipment Directive 2014/68/EU Module D Certificate on the approval of a quality system EU-type examination certificate – production type Manual TRZ 03· EN08 ·2018 September, 10th... - Page 78 RMG products. RMG Messtechnik GmbH Otto-Hahn-Straße 5 35510 Butzbach, Deutschland Tel: +49 (0) 6033 897 – 0 Fax: +49 (0) 6033 897 – 130 Email: service@rmg.com Internet: www.rmg.com Manual TRZ 03· EN08 ·2018 September, 10th...
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