ASME PTC39:2005 pdf download

12-18-2022 comment

ASME PTC39:2005 pdf download Steam Traps
Section 3Guiding Principles
3-1 ITEMS ON WHICH AGREEMENT SHALLBE REACHED
The parties to the test shall reach agreement on thefollowing items prior to conducting the test:(a) object of the test(b) parties to the test(c) test site and date(d) condition of steam and condensate(e) methods of measurement, instrumentation,andequipment to be used(f) number, size, type, condition, source, inlet anddischarge pressures, condensate temperature, and capacities of the steam trap(s) to be tested
(g) person who shall be responsible for the test(h) written test procedure, which shall include thedata to be taken and recorded to comply with the ob-jective(s) of the test
() maximum allowable test uncertainty and methodof calculating
32QUALIFICATIONS OF PERSON RESPONSIBLEFOR THE TEST
The person shall have any or all of the following qual-ifications:
(a) registered Professional Engineer(b) a degree from an accredited school of engineeringor engineering technology
(c) at least two years of experience in the testing ofsteam traps
3-3DUTIES OF PERSON RESPONSIBLE FORTHE TEST
The person responsible for the test shall ensure thatall persons who are involved in the testing perform their duties properly.He/she shall sign and date the test results, thereby certifying, to the best of his/her knowledge, their accuracy and that the test was conducted inaccordance with the written test procedures.
3-4PROCEDURES AND TEST APPARATUS
Procedures and the arrangement of test apparatusshall be in accordance with Section 4.
3-5 TESTS
Sufficient preliminary tests shall be conducted to ensure that test personnel are completely familiar with testequipment and their respective assignments. Preliminary test shall include the recording of all data necessary to the completeness of an actual Code test.
3-6 CALIBRATION OF INSTRUMENTS
Each instrument used during the test shall be serial-ized or otherwise identified. Each instrument shall becalibrated in accordance with Section 4. Spare instru-ments, if intended for use during the test, shall also beserialized and calibrated. Records of calibrations shallbe available for review by the interested parties at alltimes.
3-7 DATA SOURCES
The properties of steam and water used for calculations shall conform to the latest ASME Steam Tables.
3-8 ADJUSTMENTS DURING TEST
No adjustment to the steam trap shall be made dur-ing the test. Following any change or deviations of thetest conditions, a sufficient period of time shall be al-lowed to permit the rate of flow, pressure, and temper-ature to attain steady conditions before readings aretaken
3-9 RECORDS AND TEST RESULTSThe test records shall include the observations, readings, recordings, and instrument calibration records required to attain the test objective(s). Copies of all recordsshall be furnished to each of the parties to the test. Thetest report shall conform to the requirements of Section 6.

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