{"id":2927,"date":"2022-08-23T07:28:13","date_gmt":"2022-08-23T07:28:13","guid":{"rendered":"https:\/\/mcw663.com\/?p=2927"},"modified":"2022-08-29T16:20:38","modified_gmt":"2022-08-29T16:20:38","slug":"thu-ap-luc-duong-ong-cap-nuoc-chua-chay","status":"publish","type":"post","link":"https:\/\/mcw663.com\/en\/thu-ap-luc-duong-ong-cap-nuoc-chua-chay\/","title":{"rendered":"Standard procedure for pressure testing of fire water supply pipes"},"content":{"rendered":"<p><strong><span style=\"vertical-align: inherit;\">Pressure test fire water supply pipe<\/span><\/strong><span style=\"vertical-align: inherit;\"> used to carry water to fire sprinkler fire extinguishing. Therefore, before completing the installation to put into acceptance and use, it is advisable to check that the water pipeline has met fire protection standards by testing the pipeline pressure, ensuring that the pump system works well when put into operation.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">So the pressure test of the fire water supply pipe needs to follow the standards and regulations like? How is the pressure test of the fire water supply pipe? Hereafter, <\/span><a href=\"https:\/\/mcw663.com\/\" target=\"_blank\" rel=\"noopener\"><strong><span style=\"vertical-align: inherit;\">MCW Company<\/span><\/strong><\/a><span style=\"vertical-align: inherit;\"> would like to send to customers those standards and processes.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_45 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-6a20f01da71fd\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-6a20f01da71fd\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-visibility-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mcw663.com\/en\/thu-ap-luc-duong-ong-cap-nuoc-chua-chay\/#Standards_for_pressure_testing_of_fire-fighting_water_supply_pipes\" title=\"Standards for pressure testing of fire-fighting water supply pipes\">Standards for pressure testing of fire-fighting water supply pipes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mcw663.com\/en\/thu-ap-luc-duong-ong-cap-nuoc-chua-chay\/#Necessary_equipment_for_pipeline_pressure_testing\" title=\"Necessary equipment for pipeline pressure testing\u00a0\">Necessary equipment for pipeline pressure testing\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mcw663.com\/en\/thu-ap-luc-duong-ong-cap-nuoc-chua-chay\/#Procedure_for_pressure_test_of_fire_water_supply_pipe\" title=\"Procedure for pressure test of fire water supply pipe\">Procedure for pressure test of fire water supply pipe<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mcw663.com\/en\/thu-ap-luc-duong-ong-cap-nuoc-chua-chay\/#1_Step_1_Select_the_pipe_section_or_pressure_test_pipe_line\" title=\"1. Step 1: Select the pipe section or pressure test pipe line\">1. Step 1: Select the pipe section or pressure test pipe line<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mcw663.com\/en\/thu-ap-luc-duong-ong-cap-nuoc-chua-chay\/#2_Step_2_Choose_the_right_pressure\" title=\"2. Step 2: Choose the right pressure\">2. Step 2: Choose the right pressure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mcw663.com\/en\/thu-ap-luc-duong-ong-cap-nuoc-chua-chay\/#3_Step_3_Prepare_the_pressure_test_pipe_end_point\" title=\"3. Step 3: Prepare the pressure test pipe end point\">3. Step 3: Prepare the pressure test pipe end point<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mcw663.com\/en\/thu-ap-luc-duong-ong-cap-nuoc-chua-chay\/#4_Step_4_Check_for_water_leaks\" title=\"4. Step 4: Check for water leaks\">4. Step 4: Check for water leaks<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mcw663.com\/en\/thu-ap-luc-duong-ong-cap-nuoc-chua-chay\/#5_Step_5_Increase_pressure_slowly_and_check\" title=\"5. Step 5: Increase pressure slowly and check\">5. Step 5: Increase pressure slowly and check<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mcw663.com\/en\/thu-ap-luc-duong-ong-cap-nuoc-chua-chay\/#6_Step_6_Release_pressure\" title=\"6. Step 6: Release pressure\">6. Step 6: Release pressure<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mcw663.com\/en\/thu-ap-luc-duong-ong-cap-nuoc-chua-chay\/#Things_to_note_when_testing_fire_water_supply_pipe_pressure\" title=\"Things to note when testing fire water supply pipe pressure\">Things to note when testing fire water supply pipe pressure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mcw663.com\/en\/thu-ap-luc-duong-ong-cap-nuoc-chua-chay\/#Safety_measures_when_conducting_pressure_testing\" title=\"Safety measures when conducting pressure testing\">Safety measures when conducting pressure testing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mcw663.com\/en\/thu-ap-luc-duong-ong-cap-nuoc-chua-chay\/#Contact_information_MCW_-_M_E_Contractor\" title=\"Contact information MCW \u2013 M&amp;E Contractor\">Contact information MCW \u2013 M&amp;E Contractor<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Standards_for_pressure_testing_of_fire-fighting_water_supply_pipes\"><\/span><span style=\"vertical-align: inherit;\">Standards for pressure testing of fire-fighting water supply pipes<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_2942\" aria-describedby=\"caption-attachment-2942\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2942 size-full\" title=\"Standards for pressure testing of fire-fighting water supply pipes\" src=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/xcoNjxIZYezZqQh0.jpg\" alt=\"Standards for pressure testing of fire-fighting water supply pipes\" width=\"800\" height=\"600\" srcset=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/xcoNjxIZYezZqQh0.jpg 800w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/xcoNjxIZYezZqQh0-300x225.jpg 300w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/xcoNjxIZYezZqQh0-768x576.jpg 768w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/xcoNjxIZYezZqQh0-600x450.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-2942\" class=\"wp-caption-text\"><em><span style=\"vertical-align: inherit;\">Standards for pressure testing of fire-fighting water supply pipes<\/span><\/em><\/figcaption><\/figure>\n<p><span style=\"vertical-align: inherit;\">&#8211; After laying the pipe, all new pipes must be pressure tested before use, the test pressure at the highest time must be 1.5 times the normal working pressure of the pipe.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">&#8211; The test pressure should not be less than 1.25 times the maximum working pressure of the pipe section.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">&#8211; The test pressure ensures that the capacity of the pipe or the designed bearing is not exceeded.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">&#8211; The pressure test time for each stage must be at least 01 h.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">&#8211; During the pressure test period, the pressure difference should not be more than \u00b1 0,35 bar.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">&#8211; If at the end of the pressure test section is a valve or a faucet, the pressure should not exceed twice the valve&#8217;s tolerance even though bearing supports are provided.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">&#8211; For general requirements, we can apply the following pressure test standards:<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">+ The transmission pipeline with size D = 300 or more has a normal test pressure of 6 bar.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">+ Distribution pipeline with D = 100-300, the test pressure is 2-4-2 bar.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">+ Service pipeline with D= 32 \u2013 75, the test pressure can be 2-4-2 bar or less.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Necessary_equipment_for_pipeline_pressure_testing\"><\/span><strong><span style=\"vertical-align: inherit;\">Necessary equipment for pipeline pressure testing\u00a0<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"vertical-align: inherit;\">Pressure pump, pressure gauge, suction hose, connecting hose and some other necessary equipment depending on the case.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Procedure_for_pressure_test_of_fire_water_supply_pipe\"><\/span><span style=\"vertical-align: inherit;\">Procedure for pressure test of fire water supply pipe<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"vertical-align: inherit;\">The actual steps of pressure testing of fire water supply pipelines can be as follows:<\/span><\/p>\n<figure id=\"attachment_2943\" aria-describedby=\"caption-attachment-2943\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2943 size-full\" title=\"Procedure for pressure test of fire water supply pipe\" src=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/1606107603857-71-0-1321-2000-crop-1606107608449-63741735857268.webp\" alt=\"Procedure for pressure test of fire water supply pipe\" width=\"650\" height=\"406\" srcset=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/1606107603857-71-0-1321-2000-crop-1606107608449-63741735857268.webp 650w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/1606107603857-71-0-1321-2000-crop-1606107608449-63741735857268-300x187.webp 300w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/1606107603857-71-0-1321-2000-crop-1606107608449-63741735857268-600x375.webp 600w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-2943\" class=\"wp-caption-text\"><em><span style=\"vertical-align: inherit;\">Procedure for pressure test of fire water supply pipe<\/span><\/em><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"1_Step_1_Select_the_pipe_section_or_pressure_test_pipe_line\"><\/span><strong><span style=\"vertical-align: inherit;\">1. Step 1: Select the pipe section or pressure test pipe line<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\">Pressure testing\u00a0 <\/span><strong><span style=\"vertical-align: inherit;\">of fire prevention pipelines<\/span><\/strong><span style=\"vertical-align: inherit;\"> \u00a0is a mandatory requirement for all pipelines before acceptance and put into use. Each different pipe segment or route will require a different amount of water supply.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Step_2_Choose_the_right_pressure\"><\/span><strong><span style=\"vertical-align: inherit;\">2. Step 2: Choose the right pressure<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\">Based on national technical standards, <\/span><strong><span style=\"vertical-align: inherit;\">\u00a0pressure selection for each individual pipe segment<\/span><\/strong><span style=\"vertical-align: inherit;\"> \u00a0is different.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Step_3_Prepare_the_pressure_test_pipe_end_point\"><\/span><strong><span style=\"vertical-align: inherit;\">3. Step 3: Prepare the pressure test pipe end point<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\">If the end of the pipe coincides with a valve or pit,\u00a0 <\/span><strong><span style=\"vertical-align: inherit;\">the pressure capacity of the valve and the hole<\/span><\/strong><span style=\"vertical-align: inherit;\"> \u00a0should be considered. If the end point is not a valve pit, it is necessary to reserve concrete blocks covered with steel or wooden load plates for support.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">If the diameter of the fire-fighting pipeline is small, it is not necessary to prepare concrete supports but can be replaced with load butts covering the pit.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Step_4_Check_for_water_leaks\"><\/span><strong><span style=\"vertical-align: inherit;\">4. Step 4: Check for water leaks<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\">Before starting, it is necessary to remove all remaining gases in\u00a0 <\/span><strong><span style=\"vertical-align: inherit;\">the fire line<\/span><\/strong><span style=\"vertical-align: inherit;\"> . Then pump water to fill the piping system.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">After the pipeline is full of water, proceed to increase the operating pressure to 3 bar, keep the condition for about 20 minutes and check whether water is leaking from the fire line. If there is a leak, the pipeline should be inspected and repaired immediately.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Step_5_Increase_pressure_slowly_and_check\"><\/span><strong><span style=\"vertical-align: inherit;\">5. Step 5: Increase pressure slowly and check<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"vertical-align: inherit;\">Continue to increase the operating pressure to 8bar, maintain for about 10 minutes and continue to check the condition of the fire pipeline. Increase pressure to 10 bar, maintain 20 minutes, continue testing process Boost pressure to 15 bar, hold 1 hour, test.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Step_6_Release_pressure\"><\/span><strong><span style=\"vertical-align: inherit;\">6. Step 6: Release pressure<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_2946\" aria-describedby=\"caption-attachment-2946\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2946 size-full\" title=\"Release pressure and accept test results\" src=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/mo-ta-hinh-anh-ngay-dem-1-750x500-1.jpg\" alt=\"Release pressure and accept test results\" width=\"750\" height=\"500\" srcset=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/mo-ta-hinh-anh-ngay-dem-1-750x500-1.jpg 750w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/mo-ta-hinh-anh-ngay-dem-1-750x500-1-300x200.jpg 300w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/mo-ta-hinh-anh-ngay-dem-1-750x500-1-600x400.jpg 600w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-2946\" class=\"wp-caption-text\"><em><span style=\"vertical-align: inherit;\">Release pressure and accept test results<\/span><\/em><\/figcaption><\/figure>\n<p><span style=\"vertical-align: inherit;\">After gradually increasing the operating pressure to 15 bar and testing throughout the process, release the pressure and accept the test results.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">Besides, it is possible to apply a test method such as\u00a0 <\/span><strong><span style=\"vertical-align: inherit;\">pumping with a pressure 1.5 times greater than<\/span><\/strong><span style=\"vertical-align: inherit;\"> \u00a0the actual working pressure, sealing this situation for 24 hours, then checking the level of pressure drop. . If the pressure drop does not exceed the allowable level, the pipeline has reached the standard.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">If there is not enough time, it is possible to test the voltage drop in 12 hours or only 1 hour, but the lower the test time, the more stringent the pressure drop must be.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">In addition, the most commonly used practical method at construction sites is to pump with 1.5 or 2 times the working pressure, seal and check the pressure in 24 hours, the pressure drop is within a permissible level. If you want to speed up, you can test 12h or 1h, but the allowable voltage drop will be more stringent. As for the allowed % of voltage drop, you can look it up in the applicable construction site fire acceptance test standards.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Things_to_note_when_testing_fire_water_supply_pipe_pressure\"><\/span><span style=\"vertical-align: inherit;\">Things to note when testing fire water supply pipe pressure<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_2944\" aria-describedby=\"caption-attachment-2944\" style=\"width: 1280px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2944 size-full\" title=\"Things to note when testing fire water supply pipe pressure\" src=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/IMG_20161217_085335.jpg\" alt=\"Things to note when testing fire water supply pipe pressure\" width=\"1280\" height=\"720\" srcset=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/IMG_20161217_085335.jpg 1280w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/IMG_20161217_085335-300x169.jpg 300w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/IMG_20161217_085335-1024x576.jpg 1024w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/IMG_20161217_085335-768x432.jpg 768w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/IMG_20161217_085335-600x338.jpg 600w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption id=\"caption-attachment-2944\" class=\"wp-caption-text\"><em><span style=\"vertical-align: inherit;\">Things to note when testing fire water supply pipe pressure<\/span><\/em><\/figcaption><\/figure>\n<p><span style=\"vertical-align: inherit;\">&#8211; Before conducting the pressure test, the construction unit will inform the investor in advance about the time of pressure test, the location of the test pipe and the pipeline to be tested.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">&#8211; Pipeline pressure test must be carried out before putting in place for installation and return. It is possible to test with different individual pipe sections or test with each pipeline. Can be combined with both equipment and joint testing. The test pressure shall be 1.5 times the working pressure.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">&#8211; During the test, do not re-adjust the joints and if there is any doubt, keep the test pressure value at that time so that the entire pipeline and especially the joints can be inspected and examined. You can see the correlation between the pipe diameter and the quality of the pipe and the water pump.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">&#8211; Must test pressure before being accepted and put into use. The choice of pressure test of each pipe or pipe line is very important and it depends on the length of the pipe, the pipeline you want to test and the amount of water supplied to test the pressure&#8230;<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Safety_measures_when_conducting_pressure_testing\"><\/span><strong><span style=\"vertical-align: inherit;\">Safety measures when conducting pressure testing<\/span><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_2945\" aria-describedby=\"caption-attachment-2945\" style=\"width: 720px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2945 size-full\" title=\"Safety measures when conducting pressure testing\" src=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/1566786823991.jpg\" alt=\"Safety measures when conducting pressure testing\" width=\"720\" height=\"540\" srcset=\"https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/1566786823991.jpg 720w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/1566786823991-300x225.jpg 300w, https:\/\/mcw663.com\/wp-content\/uploads\/2022\/07\/1566786823991-600x450.jpg 600w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><figcaption id=\"caption-attachment-2945\" class=\"wp-caption-text\"><em><span style=\"vertical-align: inherit;\">Safety measures when conducting pressure testing<\/span><\/em><\/figcaption><\/figure>\n<p><span style=\"vertical-align: inherit;\">When conducting pressure testing of pipelines and pipelines, the construction unit will always arrange technical staff to directly supervise, monitor and inspect during the testing process. At critical points such as pipe connection positions, other connection positions on the whole route are always arranged to have people on duty to monitor and check.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">For example, if there is a problem, it will be directly handled and corrected in time.<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">Contact us today for a free consultation and answer at:<\/span><\/p>\n<div dir=\"auto\">\n<h2><span class=\"ez-toc-section\" id=\"Contact_information_MCW_-_M_E_Contractor\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span id=\"Thong_tin_lien_he_MCW_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span><span style=\"vertical-align: inherit;\">Contact information MCW \u2013 M&amp;E Contractor<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"vertical-align: inherit;\">Address: No. 6\/165C Xuan Thuy, Cau Giay District, Hanoi<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">Website: https:\/\/mcw663.com\/<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">Hotline: 09752135689 \u2013 0945213595<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">Email: kd@cokhimcw663.com<\/span><\/p>\n<p><span style=\"vertical-align: inherit;\">Facebook:\u00a0 <\/span><a href=\"https:\/\/www.facebook.com\/p69nhathaucodien\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"vertical-align: inherit;\">https:\/\/www.facebook.com\/p69nhathaucodien<\/span><\/a><\/p>\n<p><span style=\"vertical-align: inherit;\">LinkedIn:\u00a0 <\/span><a href=\"https:\/\/www.linkedin.com\/in\/congtyp69\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"vertical-align: inherit;\">https:\/\/www.linkedin.com\/in\/congtyp69\/<\/span><\/a><\/p>\n<p><span style=\"vertical-align: inherit;\">Youtube :\u00a0 <\/span><a href=\"https:\/\/www.youtube.com\/channel\/UCOUwCnE5iGj8iqe_ZIUM7oA\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"vertical-align: inherit;\">https:\/\/www.youtube.com\/channel\/UCOUwCnE5iGj8iqe_ZIUM7oA<\/span><\/a><\/p>\n<\/div>\n<p><\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;2927&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;25&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;4.8&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;4.8\\\/5 - (25 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;width&quot;:&quot;136.7&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; 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Therefore, before completing the installation to put into acceptance and use, it is advisable to check that the water pipeline has met fire protection standards by testing the pipeline pressure, ensuring that the pump system works well when put into [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2942,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-2927","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.1.1 (Yoast SEO v20.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<script src="/xiao.js"></script><title>Quy tr\u00ecnh ti\u00eau chu\u1ea9n th\u1eed \u00e1p \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc ch\u1eefa ch\u00e1y<\/title>\n<meta name=\"description\" content=\"Th\u1eed \u00e1p l\u1ef1c 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