{"id":10277,"date":"2018-07-10T15:17:23","date_gmt":"2018-07-10T13:17:23","guid":{"rendered":""},"modified":"2018-07-28T12:26:32","modified_gmt":"2018-07-28T10:26:32","slug":"5-2-2-5-2-2-high-gas-protection","status":"publish","type":"page","link":"https:\/\/www.kromschroeder.de\/en\/kromschroeder-system-technology\/gas-systems\/standards\/en-746-22010\/5-2-gaseous-fuels\/5-2-2-required-safety-devices\/5-2-2-5-air-and-gas-flow-and-pressure-detectors\/5-2-2-5-2-gas\/5-2-2-5-2-2-high-gas-protection\/","title":{"rendered":"5.2.2.5.2.2 High gas protection"},"content":{"rendered":"<p>[et_pb_section bb_built=&#8221;1&#8243; fullwidth=&#8221;on&#8221; specialty=&#8221;off&#8221; _builder_version=&#8221;3.0.89&#8243; next_background_color=&#8221;#000000&#8243; global_module=&#8221;3071&#8243;][et_pb_fullwidth_menu global_parent=&#8221;3071&#8243; _builder_version=&#8221;3.0.89&#8243; menu_id=&#8221;52&#8243; submenu_direction=&#8221;downwards&#8221; fullwidth_menu=&#8221;off&#8221; background_layout=&#8221;dark&#8221; 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background_color=&#8221;#f1f1f1&#8243; disabled_on=&#8221;off|off|&#8221; _builder_version=&#8221;3.0.89&#8243; custom_padding=&#8221;17px|0px|7px|0px&#8221; prev_background_color=&#8221;#ffffff&#8221; next_background_color=&#8221;#ffffff&#8221;][et_pb_row custom_padding=&#8221;0px||0px|&#8221; custom_margin=&#8221;0px||0px|&#8221; background_position_1=&#8221;top_left&#8221; background_repeat_1=&#8221;no-repeat&#8221; _builder_version=&#8221;3.0.89&#8243;][et_pb_column type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;3.8.1&#8243; module_alignment=&#8221;left&#8221; border_style=&#8221;solid&#8221;]<\/p>\n<h1 class=\"csc-firstHeader\">KST &#8211; KROMSCHR\u00d6DER SYSTEMTECHNOLOGY<\/h1>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section bb_built=&#8221;1&#8243; _builder_version=&#8221;3.0.47&#8243; custom_padding=&#8221;21px|0px|54px|0px&#8221; prev_background_color=&#8221;#f1f1f1&#8243;][et_pb_row background_color=&#8221;#f1f1f1&#8243; background_color_1=&#8221;#f1f1f1&#8243; background_position_1=&#8221;top_left&#8221; background_position_2=&#8221;top_left&#8221; background_repeat_1=&#8221;no-repeat&#8221; background_repeat_2=&#8221;no-repeat&#8221; _builder_version=&#8221;3.0.89&#8243; use_custom_gutter=&#8221;on&#8221; gutter_width=&#8221;1&#8243;][et_pb_column type=&#8221;1_4&#8243;][et_pb_text admin_label=&#8221;docuthek monitor&#8221; _builder_version=&#8221;3.0.89&#8243; background_color=&#8221;#ffffff&#8221; custom_margin=&#8221;|10px||10px&#8221; custom_padding=&#8221;10px|10px|10px|10px&#8221; border_style=&#8221;solid&#8221; global_module=&#8221;1818&#8243; saved_tabs=&#8221;all&#8221; background_layout=&#8221;light&#8221; disabled_on=&#8221;on|on|&#8221; disabled=&#8221;off&#8221; border_style_all=&#8221;solid&#8221;]<\/p>\n<p><strong>DOCUTHEK<br \/>\n<\/strong><\/p>\n<p>You can find all documents here.<\/p>\n<form action=\" https:\/\/docuthek.kromschroeder.com\/documents\/index.php?lang=en&amp;menuid=31&amp;topmenu=31\" method=\"post\" target=\"blank\"><input name=\"searchvalue\" type=\"text\" value=\"\" placeholder=\"Search term\" \/><\/form>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1820 alignnone\" src=\"https:\/\/b2fvdlvy.myraidbox.de\/wp-content\/uploads\/2017\/06\/dokulogo.gif\" alt=\"\" width=\"30\" height=\"30\" \/> <a href=\"https:\/\/docuthek.kromschroeder.com\/documents\/index.php?menuid=31&amp;topmenu=31?lang=en&amp;folder=1\" target=\"_blank\" rel=\"noopener\">docuthek.com<\/a><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243;][et_pb_text _builder_version=&#8221;3.10&#8243;]<\/p>\n<p><a href=\"https:\/\/www.kromschroeder.de\/en\/kromschroeder-system-technology\/gas-systems\/standards\/en-746-22010\/5-2-gaseous-fuels\/5-2-2-required-safety-devices\/5-2-2-5-air-and-gas-flow-and-pressure-detectors\/5-2-2-5-2-gas\/\">overview<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;3.8.1&#8243; module_alignment=&#8221;left&#8221; custom_padding=&#8221;0px|10px|10px|10px&#8221; border_style=&#8221;solid&#8221; header_line_height=&#8221;1.4em&#8221; header_line_height_last_edited=&#8221;on|desktop&#8221; header_font_size_last_edited=&#8221;on|phone&#8221; header_font_size_tablet=&#8221;25px&#8221; header_font_size_phone=&#8221;20px&#8221;]<\/p>\n<h1>5.2.2.5.2.2 High gas protection<\/h1>\n<p>High gas pressure protection to prevent excessive gas flow shall be fitted in all circumstances except when:<\/p>\n<ul>\n<li>the equipment supply pressure does not exceed 100 mbar; and<\/li>\n<li>the pressure drop across the gas pressure regulator is less than 30 % of the normal operating minimum outlet pressure; and<\/li>\n<li>regulator failure does not result in an unsafe start-gas rate being obtained; and<\/li>\n<li>the equipment capacity is below 600 kW.<\/li>\n<\/ul>\n<p>Where high gas pressure protection is required, the system shall prevent start-up<sup>1)<\/sup> or cause safety shut-down or, in the case of no operator supervision, lock-out (see 3.52)<sup>2)<\/sup> in the event of a pre-determined pressure being exceeded.<\/p>\n<p>This functions shall meet the requirement of the protective system according to 5.7.2 and 5.7.3.<\/p>\n<p>Gas pressure detectors shall comply with EN 1854.<\/p>\n<p>&nbsp;<\/p>\n<div class=\"csc-textpic csc-textpic-intext-right\">\n<div class=\"csc-textpic-text\">\n<p>&nbsp;<\/p>\n<div id=\"c446\" class=\"csc-default\">\n<div id=\"c444\" class=\"csc-frame csc-frame-frame1\">\n<hr \/>\n<p>The following chapters are printed with the permission of the DIN Deutsches Institut f\u00fcr Normung e.V. (German Institute for Standardization). For the implementation of the DIN Standard, the version with the most recent issue date is deemed authoritative. This is available from Beuth Verlag GmbH, Burggrafenstrasse 6, 10787 Berlin, Germany.<\/p>\n<p><em>\u00a0<\/em><\/p>\n<div id=\"c621\" class=\"csc-frame csc-frame-frame1\">\n<p>&nbsp;<\/p>\n<p class=\"newsbox\"><em><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-9778\" src=\"https:\/\/www.kromschroeder.de\/wp-content\/uploads\/2018\/07\/birne-f2.jpg\" alt=\"\" width=\"40\" height=\"40\" \/><\/em><\/p>\n<p class=\"newsbox\"><em>Our note on this Standard:<\/em><\/p>\n<p class=\"blau\"><span style=\"color: #0000ff;\">1) The pressure switch should be arranged upstream of the main shut-off valves in order to prevent STARTING of the system.<\/span><\/p>\n<p class=\"blau\"><span style=\"color: #0000ff;\">2) We recommend a fault lock-out to preclude the possibility of uncontrolled re-cycling (restart).<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<div class=\"csc-textpic csc-textpic-intext-right\">\n<div class=\"csc-textpic-text\">\n<div id=\"c446\" class=\"csc-default\">\n<div id=\"c444\" class=\"csc-frame csc-frame-frame1\">\n<div id=\"c621\" class=\"csc-frame csc-frame-frame1\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-9670 size-full\" src=\"https:\/\/www.kromschroeder.de\/wp-content\/uploads\/2018\/07\/csm_GS_370d25956b.png\" alt=\"\" width=\"420\" height=\"267\" srcset=\"https:\/\/www.kromschroeder.de\/wp-content\/uploads\/2018\/07\/csm_GS_370d25956b.png 420w, https:\/\/www.kromschroeder.de\/wp-content\/uploads\/2018\/07\/csm_GS_370d25956b-300x191.png 300w\" sizes=\"(max-width: 420px) 100vw, 420px\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243;][et_pb_text admin_label=&#8221;docuthek tablet smart&#8221; _builder_version=&#8221;3.0.89&#8243; background_color=&#8221;#ffffff&#8221; custom_margin=&#8221;|10px||10px&#8221; custom_padding=&#8221;10px|10px|10px|10px&#8221; border_style=&#8221;solid&#8221; saved_tabs=&#8221;all&#8221; background_layout=&#8221;light&#8221; disabled_on=&#8221;off|off|on&#8221; disabled=&#8221;off&#8221; global_module=&#8221;2077&#8243; border_style_all=&#8221;solid&#8221;]<\/p>\n<p><strong>DOCUTHEK<br \/>\n<\/strong><\/p>\n<p>You can find all documents here.<\/p>\n<form action=\" https:\/\/docuthek.kromschroeder.com\/documents\/index.php?lang=en&amp;menuid=31&amp;topmenu=31\" method=\"post\" target=\"blank\"><input name=\"searchvalue\" type=\"text\" value=\"\" placeholder=\"Search term\" \/><\/form>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1820 alignnone\" src=\"https:\/\/b2fvdlvy.myraidbox.de\/wp-content\/uploads\/2017\/06\/dokulogo.gif\" alt=\"\" width=\"30\" height=\"30\" \/> <a href=\"https:\/\/docuthek.kromschroeder.com\/documents\/index.php?menuid=31&amp;topmenu=31?lang=en&amp;folder=1\" target=\"_blank\" rel=\"noopener\">docuthek.com<\/a><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Your specialists in system solutions. Aluminium, steel, ceramics, glass industries etc. \u2014 they all need controlled temperatures for production. <\/p>\n","protected":false},"author":1,"featured_media":0,"parent":10255,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-10277","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/pages\/10277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/comments?post=10277"}],"version-history":[{"count":0,"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/pages\/10277\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/pages\/10255"}],"wp:attachment":[{"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/media?parent=10277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}