1、Designation:F3124151Standard Practice forData Recording the Procedure used to Produce Heat ButtFusion Joints in Plastic Piping Systems or Fittings1This standard is issued under the fixed designation F3124;the number immediately following the designation indicates the year oforiginal adoption or,in t
2、he case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTEThe title was editorially corrected and keywords were added in March 2015.1.Scope1.1 This practic
3、e specifies the data recording informationthat is recorded,when data recording equipment is used,onbutt fusion joints in a plastic piping system in order to comparethe procedure used in making the joint to the heat butt fusionjoining procedure specified.This practice is suitable for usewith all heat
4、 butt fusion joining procedures that requiremeasurable time and pressure profiles,such as Practice F2620,Specification F2785,Specification F2945 international stan-dards or other qualified procedures.This practice applies tohydraulically operated heat butt fusion machines only and doesnot apply to m
5、anually operated fusion machines or specializedfabrication equipment for fittings in a controlled environmentwith proprietary procedures and processes.1.2 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this st
6、andard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:F2620 Practice for Heat Fusion Joining of Polyethylene Pipeand FittingsF2785 Specification for Polyamide 12 Gas Pressure Pipe,
7、Tubing,and FittingsF2945 Specification for Polyamide 11 Gas Pressure Pipe,Tubing,and Fittings3.Terminology3.1 Definitions:3.1.1 Data Recording Device(“Device”)This is an instru-ment that obtains and stores information.3.1.1.1 DiscussionThis is generally an electronic devicethat accepts sensor input
8、for pressure and time and manualinput for other information.These Devices are typically small,batterypowered,portable,andequippedwithamicroprocessor,internal memory for data storage,and connec-tions for pressure sensors to the hydraulic fusion machine.Devices may interface with a personal computer a
9、nd mayutilize software to activate the Device and to view and analyzethe collected data.Other Devices may have a local interfacedevice,such as a keypad or touch sensing,LCD display,andcan be used as a standalone device.4.Summary of Practice4.1 The principle of heat butt fusion of plastic pipe is toa
10、pply heat,at a designated temperature,to two prepared pipeends for a heat soak period and then fuse them together by theapplication of a sufficient force,thereby resulting in fusion.This practice identifies the information that is collected by thedata recording device about the heat butt fusion join
11、t.TheDevice records the hydraulic pressures and times during thebutt fusion process for individual joints and manual entriessuch as operator identification,product information,fusionparameters,and heater surface temperature.5.Significance and Use5.1 The Device record includes information about how t
12、heheat butt fusion joint was made(heater temperature,pressuresand times for the heating,fusion and cooling steps)and otherimportant information about the process,job,equipment used,etc.The Device record is compared to the specified heat buttfusion procedure parameters to determine if the procedure w
13、asfollowed correctly.For comparison purposes,a graph of timeversus pressure is generated from the data record to showpressure changes that occur during the butt fusion process.Comparing the time versus pressure graph to the steps in theprocedure helps determine that the procedure parameters wereobse
14、rved.(See Appendix X1.)These records may be down-loaded from the device and stored.6.ApparatusGeneral Requirements6.1 Data Recording Device:6.1.1 The Device shall be capable of collecting the follow-ing information:1This practice is under the jurisdiction of ASTM Committee F17 on PlasticPiping Syste
15、ms and is the direct responsibility of Subcommittee F17.20 on Joining.Current edition approved March 1,2015.Published March 2015.DOI:10.1520/F312415E01.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 the heater temperature at the beginnin
16、g of the heat cycle and the pressuresapplied during the heating,fusing and cooling cycle time for each stage of the process from the beginning of the heat cyclethrough the end of the cool cycle the operators name or identification number,or both the job number joint number the date and time the equipment manufacturer equipment model and serial number used the heat butt fusion procedure or standard used the pipe/fitting manufacturer the pipe OD and DR pipe material and material designation drag p
