Gallagher Model 3261N LPG Fuel Dispenser for Motor Vehicles
Contents
1. Pattern amp variants 1 amp 2 amended reviewed amp updated 13 02 14 certificate issued 6 Test Procedure amended procedure to view temperature etc 12 08 15 certificate issued Page 1 of 10 NMI 10 1 21 Rev 6 CONDITIONS OF APPROVAL General Instruments purporting to comply with this approval shall be marked with pattern approval number NMI or NSC 10 1 21 and only by persons authorised by the submittor It is the submittor s responsibility to ensure that all instruments marked with this approval number are constructed as described in the documentation lodged with the National Measurement Institute NMI and with the relevant Certificate of Approval and Technical Schedule Failure to comply with this Condition may attract penalties under Section 19B of the National Measurement Act and may result in cancellation or withdrawal of the approval in accordance with document NMI P 106 Auxiliary devices used with this instrument shall comply with the requirements of General Supplementary Certificates No S1 0 A or No S1 0B Signed by a person authorised by the Chief Metrologist to exercise their powers under Regulation 60 of the National Measurement Regulations 1999 Dr A Rawlinson Page 2 of 10 NMI 10 1 21 Rev 6 TECHNICAL SCHEDULE No 10 1 21 1 Description of Pattern approved on 28 11 01 A Gallagher model 3261N LPG fuel dispenser Figures 1 and 2 for refuelling motor vehicles using liquefied2. into diagnostics mode Press the button to enter manager mode FN 00 will be displayed on the litres display 9 CO ape O oa Enter 08 followed by the fill button from the set up pre set keypad to display the software version Enter 37 followed by the fill button to display the unconverted volume 8 Enter 82 followed by the fill button to display the density at 15 C 9 Enter 83 followed by the fill button to display the temperature at metering conditions 10 Enter 84 followed by the fill button to display the volume correction factor To perform a unit price change Enter 31 followed by the fill button and then use the keypad to enter the new unit price Page 6 of 10 NMI 10 1 21 Rev 6 FIGURE 10 1 21 1 Gallagher PEC Apollo Model 3261N LPG Fuel Dispenser for Motor Vehicles The Pattern Page 7 of 10 NMI 10 1 21 Rev 6 FIGURE 10 1 21 2 PROVISION FOR DIF FERENTIAL LPS METER ENCODER PRESSURE GAUGE VALVE INPUT PROCESSOR BOX MAIN SOLENOID VALVE VAPOUR EUMINATOR EXCESS FLOW VALVE AIR EXCESS FLOW ACTUATED VALVE PROVISION FOR MAIN SOLENOID aii PRESSURE GAUGE VALVE ACTUATED VALVE RETURN AC CONTROL TEST POINT BOX DIFFERENTIAL SUPPLY VAPOUR E LINE RETURN LINE ENCODER Model 3261N LPG Hydraulics The Pattern FIGURE 10 1 21 3 Batchen Model Mk III LPG Meter and Batchen Model Mk VI Pressure Differential Valve Page 8 of 10 NMI 1
3. 0 1 21 Rev 6 FIGURE 10 1 21 4 Location of seal A Typical Sealing Method The Pattern FIGURES 10 1 21 5 Location of seal A Typical Sealing Method The Pattern Page 9 of 10 FIGURES 10 1 21 6 DIFFERENTIAL VALVE PROVISION FOR LPG METER ENCODER PRESSURE GAUGE VAPOUR ELIMINATOR LPG METER AIR ACTUATED VALVE PROVISION FOR PRESSURE GAUGE AIR ACTUATED qe VALVE TEST POINT VAPOUR pi RETURN LINE ENCODER Model 3261P Hydraulics Variant 1 End of Document NMI 10 1 21 Rev 6 INPUT PROCESSOR BOX FINAL PRE SET MAIN SOLENCID VALVE EXCESS FLOW VALVE EXCESS FLOW VALVE MAIN SOLENOID VALVE FINAL PRE SET SOLENOID VALVE AC CONTROL BOX DIFFERENTIAL VALVE Page 10 of 10
4. NMI 10 1 21 Rev 6 Es Australian Government Department of Industry and Science National Measurement Institute Certificate of Approval No 10 1 21 Issued by the Chief Metrologist under Regulation 60 of the National Measurement Regulations 1999 This is to certify that an approval for use for trade has been granted in respect of the instruments herein described Gallagher Model 3261N LPG Fuel Dispenser for Motor Vehicles submitted by Gallagher Fuel Systems Ltd 2 Station Road Marton 4741 New Zealand NOTE This Certificate relates to the suitability of the pattern of the instrument for use for trade only in respect of its metrological characteristics This Certificate does not constitute or imply any guarantee of compliance by the manufacturer or any other person with any requirements regarding safety This approval has been granted with reference to document NMI R 117 Measuring Systems for Liquids Other than Water dated June 2011 This approval becomes subject to review on 1 12 19 and then every 5 years thereafter DOCUMENT HISTORY Rev Reason Details Date 0 Pattern amp variant 1 approved interim certificate issued 28 11 01 1 Pattern amp variant 1 approved certificate issued 8 03 02 2 Variant 2 approved interim certificate issued 18 10 06 3 Variant 2 approved certificate issued 23 03 07 4 Pattern amp variants 1 amp 2 reviewed notification of change 11 02 08 issued 5
5. arate display is provided for volume total price and unit price The indicators display the following maximum values Volume 999 99 L Unit price 999 9 c L Total price 999 99 Totaliser 9999999 The calculator indicator can display LPG density at 15 C used for conversion of volume to 15 C and can display the temperature of LPG flowing through the meter refer Test Procedure The software version numbers for the calculator indicator are VA 3 06P for the main processor and VI 3 05S for the input processor These version numbers may be viewed using the set up keypad refer to the Test Procedure Compatible is defined to mean that no additions changes to hardware software are required for satisfactory operation of the complete system Page 4 of 10 NMI 10 1 21 Rev 6 1 3 Operation Removal of the nozzle from its receptacle starts the operating cycle The display will be cleared of any previous sale and the remote pump will start The systems electronics will automatically check for pulser rotation and correct electronic parameters A segment check is initiated when completed the unit price is displayed and the price and volume displays show zeroes At the end of this cycle the solenoid valve opens allowing a delivery Replacing the nozzle to its normal hang up position closes the solenoid valve The delivery details are displayed until the next reset cycle 1 4 Volume Conversion Device The electronic volume conversio
6. libration switch situated inside the calculator indicator and the mechanical calibration device on the flowmeter have provision for sealing Figures 4 amp 5 The flowmeter bleed valve has provision for sealing Page 5 of 10 NMI 10 1 21 Rev 6 1 7 Verification Provision Provision is made for the application of a verification mark 2 Description of Variant 1 approved on 28 11 01 The PEC Apollo model 3261P Figure 6 which is similar to the pattern and is fitted with a pre setting device The system will also include a 1 4 NPT solenoid valve TEST PROCEDURE No 10 1 21 Instruments shall be tested in accordance with any relevant tests specified in the National Instrument Test Procedures The instrument shall not be adjusted to anything other than as close as practical to zero error even when these values are within the maximum permissible errors Maximum Permissible Errors The maximum permissible errors are specified in Schedule 1 of the National Trade Measurement Regulations 2009 Calibration Procedure For detailed configuration and code setting procedures refer to the manufacturer s service manual The calibration of the flowmeter shall be carried out using the unconverted volume To view temperature density unconverted volume and software version on the calculator indicator 1 Open the display unit Take out the keypad overlay and place it over the white keypad area Flick the switch to put the dispenser
7. lution A Batchen model Mk VI spring loaded pressure differential valve Figures 2 and 3 is fitted to the outlet A pressure equalising pipe is connected from the top of the differential valve to the vapour space of the supply tank The pressure differential valve is fitted with a bleed valve and a NPT extension union which gives provision for a pressure gauge Any bleed valves in normal operation are sealed with to prevent leakage A Batchen hydraulic accumulator may be fitted downstream of the pressure differential valve A 1 2 NPT solenoid valve is located downstream of the pressure differential valve The valve controls the delivery and prevents delivery during the reset cycle The dispenser is fitted with hoses of 15 or 20 mm nominal bore and incorporates Batchen Sentry 20 hose break away couplings fitted between the flow solenoid valves and the nozzles Gasguard model LG1DNS nozzles or any other NMl approved compatible 4 LPG nozzles may be used that are suitable for the Gallagher PEC nozzle hang up mechanism Note that the submittor must be consulted regarding the acceptability of any alternative nozzles A recirculation line with a double check filler valve is provided at the dispenser for returning the LPG back to the supply tank The recirculation line is used for maintenance checking or calibration of the dispenser The calculator indicator comprises a PEC model MHP indicator computing unit and a display unit A sep
8. n for temperature facility is used to convert the measured volume to volume at 15 C using the volume conversion factors as a function of density in accordance with Table 54 of the ASTM IP API Petroleum Measurement Tables for Light Hydrocarbon Liquids The calculator indicator is configured for use with an LPG Measurement model DSS 98 density detector probe to display the delivered volume at 15 C DSS 98 where may be either B or P 1 5 Markings and Notices Instruments are marked with the following data together in one location on a data plate Pattern approval number NMI No 10 1 21 Manufacturer s identification mark or trade mark Manufacturer s designation model number Serialnumber Year of manufacture eee Environmental class class N Maximum flow rate Qva 1 11 11 L min Minimum flow rate Q ee L min Maximum operating pressure Pmax 1800 kPa Minimum pressure Prin 200 kPa above vapour pressure Approved for LPG density range 505 kg m to 570 kg m at 15 C Maximum liquid temperature Tmax 50 C Minimum liquid temperature Tmin 10 C Accuracy class class 1 0 Note The minimum measured quantity Vmin shall be clearly visible on any indicating device visible to the user during measurement in the form Minimum Delivery 2 L Volume indicated for LPG shall be clearly identified as Litres at 15 C or similar wording 1 6 Sealing Provision A plate covering the ca
9. o 15 C i An LPG supply tank may be located either above or below the ground level ii The pump is positioned either below the supply tank in which case the pump is designed for use in a state of flooded suction or the pump is positioned above the supply tank in which case the pump shall be a multistage regenerative turbine LPG pump designed for use in suction lift There shall be no restrictive fittings within ten pipe diameters of the pump inlet and the diameter of the inlet pipe is not less than the diameter of the pump inlet The external pump by pass relief valve is installed in a line returning to the vapour space of the supply tank A single pump supplying LPG to several flowmeters shall be of sufficient capacity rating to ensure that when all flowmeters are in use the flow rate through each flowmeter is greater than Qmin Page 3 of 10 ii iv xi NMI 10 1 21 Rev 6 A Batchen model Mk V constant bleed vapour eliminator with an integral strainer positioned upstream of the flowmeter in conjunction with a pressure differential valve downstream of each flowmeter Figure 2 protect the flowmeters from the measurement of vapour The thermometer well for checking the temperature measurement is situated at the top of the vapour eliminator Two Batchen model Mk Ill two piston LPG flowmeters are used Figure 3 each fitted with a PEC model 07439 pulse generator producing 100 pulses per channel x2 channels per meter revo
10. petroleum gas LPG The dispenser is approved for use in attendant operated mode or in self service mode when interfaced to a compatible approved self service device May also be known as PEC Apollo instruments of the same models Compatible is defined to mean that no additions changes to hardware software are required for satisfactory operation of the complete system 1 1 Field of Operation The following specifies the field of operation for which the metering system is approved Minimum measured quantity Vmin 2 L Maximum flow rate Qmax 60 L min Minimum flow rate Qmin 10 L min LPG density range at 15 C 505 kg m to 570 kg m Volume conversion to 15 C over a liquid temperature range of 10 C to 40 C Maximum operating pressure Pmax 2450 kPa Operating pressure is maintained at least 200 kPa above the equilibrium vapour pressure of LPG Ambient temperature range of 25 C to 55 C Accuracy Class 1 0 1 2 LPG Metering System The model 3261N LPG dispenser Figures 1 and 2 includes the following components or features A Batchen model Mk V constant bleed vapour elimination device Two Batchen model Mk III LPG liquefied petroleum gas LPG flowmeters each fitted with a PEC model 07439 pulse generator Two Batchen model Mk VI spring loaded pressure differential valves A calculator indicator configured for use with a density detection device enabling the volume conversion t
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