RMG TRZ 04 Operating Instructions Manual Download Page 32

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Installation and Commissioning

................................................................................................................................................................................................

Manual TRZ 04 · EN04 · February, 1st 2017

Gas pressure
regulator with sound
attenuator

Inlet pipe



5 DN

Inlet pipe



2 DN

and

additionally

one perforated-plate
straightener

Gas pressure
regulator without
sound attenuator

Inlet pipe



5 DN

and

additionally

two perforated-plate
straighteners

Inlet pipe



2 DN

and

additionally

one perforated-plate
straightener

Diffuser

Inlet pipe



5 DN

and

additionally

one perforated-plate
straighteners

Inlet pipe



2 DN

Diffuser with swirling
flow

Inlet pipe



5 DN

and

additionally

two perforated-plate
straighteners

Inlet pipe



2 DN

2.2.2 Perforated-plate

straighteners

There are the following options for flow straighteners:

RMG L1 - L3 perforated-plate

straighteners complying with ISO 5167-1

and DIN 1952

RMG LP-35 perforated-plate straightener

Features

ISO / DIN

L1 to L3

RMG LP-35

Hole diameter d



0.05 D

0.04 D

0.13 D

Plate thickness e



e = d

0.13 D

Plate clearance a

0.5 D



1 D

0.5 D

Opening ratio m

0.2



0.4

0.3

0.6

Pressure loss, dyn.



5 - 15 (c²



/ 2)

2 - 15 (c²



/ 2)

Summary of Contents for TRZ 04

Page 1: ...Reliable Measurements of Gas Turbine Meters TRZ 04 TRZ 04 K OPERATING INSTRUCTIONS STATUS February 1st 2017 Version 04...

Page 2: ...nction and Application 13 1 4 Method of operation 16 1 5 Approvals 17 1 6 Standards Guidelines 17 1 7 Validity of meter proving 17 1 8 Measuring ranges 18 1 8 1 Extension of the measuring range 18 1 9...

Page 3: ...1 Influences on the error of measurement due to operation 43 3 1 1 Intermittent operation 43 3 1 2 Influence of pulsations 43 3 1 3 Consequences 44 3 1 4 Limiting values 44 3 2 Lubrication 46 3 2 1 Lu...

Page 4: ...during use that can be easily avoided by observing this manual For this reason you may only use the device as intended and in technically sound condition Warning If the ultrasonic gas meter is not us...

Page 5: ...situations are not avoided they can lead to fatal or severe injuries Caution This warning instruction informs you of possible hazardous situations that can occur as a result of incorrect operation or...

Page 6: ...vant and also consider the following Before working with the device for the first time read through this operating instruction and in particular follow the safety instructions carefully The operating...

Page 7: ...h similar characteristics for the installation of the meter in the pipeline chapter 1 14 Installing the device in the pipeline The device should only be used under the intended use for safe operation...

Page 8: ...the appropriate qualifications and you are an expert If you do not use the appropriate tools and materials components may be damaged Use tools that are recommended to you for the job in the operating...

Page 9: ...er may not be opened during operation 1 1 4 3 Danger when using servicing and maintaining the device TRZ04 Operating personnel The operating personnel are to use and operate the device within the scop...

Page 10: ...climbing aid or attachments of TRZ04 as possible handholds 1 1 4 4 Specialized knowledge required Notice Persons working with or on the device must have the following knowledge Training education for...

Page 11: ...inimize these risks Risk mitigation measures All pressurized parts are designed in accordance to AD 2000 regulations PED Annex 1 The complete design being pressurized is verified by the T V Hessen All...

Page 12: ...measuring system may only be carried out by qualified personnel and must be checked by a specialist supervisor Qualified persons are able to carry out such work Qualification is valid due to their tra...

Page 13: ...ition The TRZ04 may be operated in explosion zone 1 but only within the permitted temperatures Chapter 1 10 Temperature ranges 1 1 6 3 Operator responsibility Take care as plant manager that only suff...

Page 14: ...d loads During lifting and or depositing the device may slip tip over or fall Disregarding the maximum load capacity of the lifting device the device may fall down For any people standing nearby there...

Page 15: ...cate strength 3 1 optional 1 1 9 Dispose of packaging material Dispose the packing material in an environmentally friendly way in accordance to the national standards 1 1 10 Storage Avoid long periods...

Page 16: ...a summary of certificates and approvals 1 3 Overview Function and Application The TRZ 04 and TRZ 04 K are used to measure volume flow rates of non aggressive gases and fuel gases especially natural ga...

Page 17: ...ctions in compliance with DIN or ANSI are available Special designs for aggressive gases are available Available for low temperatures 20 C All gas meters can be operated in any position up to the nomi...

Page 18: ...s Guidelines and the appendix These technical limitations you must comply with the TRZ04 for safe operation Chapter 5 Specifications The device may only be operated with the following types of gases O...

Page 19: ...e of the volume that has flowed through The rotary movement of the turbine wheel is transmitted by a magnetic coupling to the unpressurized meter head Downstream of the coupling there is a gearing whi...

Page 20: ...32 89 Annex A with slight and heavy flow disturbances Therefore this meter design meets the requirements for installation in compliance with Technical Guideline G13 Sec 1 Test specifications are as la...

Page 21: ...ax to Qmax the measuring behavior of turbine meters is determined by the aerodynamic conditions in the flow channel and the measuring cross section By means of many series of tests conducted both unde...

Page 22: ...not taken into account in this formula With Qmd Minimum flow rate at flowing conditions Qmin Minimum flow rate of the gas meter pm Operating pressure in bar Density in kg m3 Density of air at 20 C and...

Page 23: ...t 1 2 1 TRZ 04 1 0 5 TRZ 04 K 2 DN 50 DN 80 3 1 DN 50 1 5 1 maximum error due to the German Metering and Calibration Rules It will be checked whether these limits are observed They also apply to the h...

Page 24: ...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 4 2 m p DN Q Z p where p...

Page 25: ...upstream perforated plate straightener TRZ 04 size DN 150 Qm 650 m3 h 1 3 kg m3 natural gas From the table on the previous page you may find Zp TRZ04 3000 Zp LP 35 1260 Calculation Zp ges 3000 1260 42...

Page 26: ...try Carbon monoxide CO 1 25 Standard Ethan C2H6 1 36 Standard Ethylene gaseous C2H4 1 26 Standard Special design Freon gaseous CCI2F2 5 66 Standard O rings lubrication Helium HE 0 18 Standard Reduced...

Page 27: ...increased inadmissible when tightening the bolts Make sure that no flange gaskets are protruding into the pipe Pay attention to a save mounting hanging up of the TRZ04 during assembly to avoid the ris...

Page 28: ...x DN or in the case of nominal diameters of DN 300 at a minimum distance of 300 mm If there are flow disturbances e g due to a gas pressure regulator upstream of the inlet pipe it is also necessary to...

Page 29: ...ring instruments such as flow computers or volume correctors Other connection options e g for temperature measurement can be supplied on a pipe section on the output side of the gas meter Danger Prote...

Page 30: ...above Qmax for a short time 30 sec Maximum flow or shock loads 0 01 Qmax sec 1 of Qmax sec e g starting up 0 100 100 sec Maximum pressure change 0 1 bar sec Maximum flow pulsation 5 Particle size in...

Page 31: ...return valves pulsation and return flow 2 2 1 Technical Guideline G 13 The installation conditions for new stations complying with TRG G 13 and the simpler installation conditions for RMG turbine met...

Page 32: ...tionally one perforated plate straighteners Inlet pipe 2 DN Diffuser with swirling flow Inlet pipe 5 DN and additionally two perforated plate straighteners Inlet pipe 2 DN 2 2 2 Perforated plate strai...

Page 33: ...ing maximum material properties of AD2000 guideline gaskets k0 x KD 20 x bD k1 1 3 x bD N mm grooved seals k0 x KD 15 x bD k1 1 1 x bD N mm spiral seals k0 x KD 50 x bD k1 1 4 x bD N mm octagonal ring...

Page 34: ...complying with DIN EN ISO 4014 made of material 5 6 Nuts complying with DIN EN ISO 4032 made of material 5 2 Screws complying with DIN EN ISO 4014 made of material 25CrMo4 Nuts complying with DIN EN...

Page 35: ...options for connecting additional mechanical equipment The totalizer has the following features 2 LF pulse transmitters reed contacts 1 tamper contact Encoder type ENCO 08 option Plastic case optional...

Page 36: ...meter head but additional with a mechanical drive shaft in compliance with EN 12261 on the top side of the case This version is only possible with aluminum cap The direction of rotation of the drive s...

Page 37: ...2 0 80 160 250 13 25 50 1 4 2 4 3 9 80 250 400 20 40 80 1 4 2 3 3 9 100 160 250 13 25 50 0 14 0 6 1 3 100 250 400 20 40 80 0 5 1 1 2 1 100 400 650 32 65 130 0 8 1 6 3 3 150 400 650 32 65 130 0 5 1 5...

Page 38: ...ply with the data on the gas meter The torque required for driving the additional equipment must not exceed the value stated on the indicating plate of the drive shaft Figure 5 Dimensions of the drive...

Page 39: ...ion for attaching additional equipment you can turn the meter head into the most favorable position for installation without damaging the locking seals by loosening two hexagon socket screws General Y...

Page 40: ...safe and must be connected only to intrinsically safe circuits if they are used in areas subject to explosion hazards The safety barriers must meet the requirements of the Ex ia IIC or Ex ib IIC type...

Page 41: ...smitter 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 The exact frequency is determined during meter proving and is...

Page 42: ...a shielded cable may only be used for example LIYCY 2 x 0 75 mm2 coat color blue The cable shield has to be grounded at both sides The earthing of the cable shield is on the non explosion protected s...

Page 43: ...ve proximity switch complying with DIN 19234 NAMUR Supply voltage current if switch is not operated current if switch is operated fmax power explosion protection acc to ATEX marking 7 to 15 V DC with...

Page 44: ...ulating stations are usually in the range of 5 C to 10 C By comparison higher operating temperatures prevail at metering stations located downstream of compressor stations For this reason the measurin...

Page 45: ...y transfer metering 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...

Page 46: ...flow pulsations however if the following equipment has been installed upstream or downstream in the system reciprocating piston compressors rotary displacement meters gas pressure regulators lacking s...

Page 47: ...city The influence with high gas density is less but increases with a high mass moment of inertia heavy impeller or fast running wheels Warning Furthermore High pulsation amplitudes may result in prem...

Page 48: ...own that no disturbances are to be expected in the case of relative flow pulsations below 5 peak to peak and relative pressure pulsations of less than 0 1 to 0 5 peak to peak These data should be rega...

Page 49: ...10 16 ANSI 150 PN 25 40 64 100 ANSI 300 600 50 DS KO KO DS KO KO 80 DS KO KO DS KO KO 100 DS KO KO DS KO KO 150 DS KO KO DS KO KO 200 KO KO Types in brackets are options 3 2 2 Specification for lubric...

Page 50: ...strokes 3 2 4 Relubrication Notice The relubrication intervals are stated on an indicating plate on the meter case See also Lubrication procedure Example Notice In the case of unfavorable operating c...

Page 51: ...Press pushbutton which is now visible once for each stroke delivered quantity 0 114 cm3 stroke Screw on knurled cover again Make sure you stop screwing as soon as you can feel a resistance and leave...

Page 52: ...o service see section Lubrication The operator should nevertheless check the turbine meter at regular intervals In this connection please refer also to DVGW code of practice G 495 Gas pressure regulat...

Page 53: ...e for custody transfer metering MID 1 reed 1 2 reed 2 3 control LF PIN 1 4 PIN 3 6 PIN 2 5 1 2 3 4 5 6 7 8 1 Built in pulse transmitters type G meter head Pin 7 are 8 are not connected 2 1 EZD prot 2...

Page 54: ...f the main bearings Arrow indicating the direction of flow pm Indication of the reference pressure tap Re Lubrication At 3 month intervals 6 strokes Lubricant 2 4 E at 25 C The containervolume of 0 15...

Page 55: ...6 G 250 20 400 80 1 600 36 100 4 G 160 13 250 50 1 100 4 10 16 25 150 30 240 G 250 20 400 80 1 25 40 32 300 35 300 260 120 G 400 32 650 130 1 600 55 270 150 6 G 400 32 650 130 1 150 6 10 16 50 150 50...

Page 56: ...r flange types as well 5 3 Qmin depending on the operating pressure in natural gas Values for custody transfer metering according to MID approval measuring range 1 20 H L DN G Qmax m h Qmin LP m h Qmi...

Page 57: ...3 2 2 2 2 1 100 160 162 7 6 4 4 3 3 2 2 2 160 250 13 7 6 4 4 3 3 2 2 2 250 400 20 11 8 6 6 5 4 4 3 2 400 650 32 18 13 10 9 7 6 6 5 4 650 1000 50 28 20 16 14 11 10 9 8 6 1000 1600 80 44 31 26 22 18 16...

Page 58: ...or welded steel Flow straightener Delrin aluminum or steel Turbine wheel Delrin or aluminum Measuring element case Aluminum Measuring element bea rings Aluminum and or stainless steel Ball bearings St...

Page 59: ...many A 1 page HF sensor HF2 D and HF3 D Inductive proximity switch NF503A PTB 01 ATEX 2192 IECEx PTB 08 0058 II 1 G Ex ia IIC T5 IFM electronic D 45127 Essen Germany B 8 pages ENCO 08 Electronic encod...

Page 60: ...ional for connection of the encoder the right one for the LF pulses The figure shows the view on the plugging side of the sockets Contact ENCO 08 LF tamper HF 2 D HF 3 D 1 Vo LF 1 HF 2 tamper contact...

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