{"id":10244,"date":"2018-07-10T13:15:40","date_gmt":"2018-07-10T11:15:40","guid":{"rendered":"https:\/\/www.kromschroeder.de\/process-heat\/products\/kromschroeder-system-technology\/gas-systems\/standards\/en-746-22010\/5-2-gaseous-fuels\/5-2-2-required-safety-devices\/5-2-2-4-gas-pressure-regulator\/"},"modified":"2018-07-27T20:33:32","modified_gmt":"2018-07-27T18:33:32","slug":"5-2-2-4-gas-pressure-regulator","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\/5-2-2-4-gas-pressure-regulator\/","title":{"rendered":"5.2.2.4 Gas pressure regulator"},"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; 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_builder_version=&#8221;3.0.60&#8243; custom_padding=&#8221;0px||0px|&#8221; next_background_color=&#8221;#f1f1f1&#8243; prev_background_color=&#8221;#000000&#8243; global_module=&#8221;1488&#8243;][et_pb_row global_parent=&#8221;1488&#8243; custom_padding=&#8221;0px||0px|&#8221; background_position_1=&#8221;top_left&#8221; background_repeat_1=&#8221;no-repeat&#8221; _builder_version=&#8221;3.0.60&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221;][et_pb_column type=&#8221;4_4&#8243;][et_pb_dmb_breadcrumbs global_parent=&#8221;1488&#8243; font_icon=&#8221;%%36%%&#8221; _builder_version=&#8221;3.0.89&#8243; body_font_size=&#8221;11px&#8221; body_text_color=&#8221;#666666&#8243; link_text_color=&#8221;#666666&#8243;]<\/p>\n<div class=\"et_pb_module  et_pb_dmb_breadcrumbs_1 et_pb_dmb_breadcrumbs\" style=\"visibility: hidden;\">\n<ol>\n<li><a href=\"https:\/\/www.kromschroeder.de\">Startseite<\/a><\/li>\n<\/ol>\n<\/div>\n<p>[\/et_pb_dmb_breadcrumbs][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section bb_built=&#8221;1&#8243; 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 SYSTEMcTECHNOLOGY<\/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\/\">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>5.2.2.4 Gas pressure regulator<\/h1>\n<div class=\"csc-textpic csc-textpic-intext-right\">\n<div class=\"csc-textpic-imagewrap\">\n<div class=\"csc-textpic-image csc-textpic-last\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-9649\" src=\"https:\/\/www.kromschroeder.de\/wp-content\/uploads\/2018\/07\/gasdruckregler.jpg\" alt=\"\" width=\"150\" height=\"200\" \/><\/div>\n<\/div>\n<div class=\"csc-textpic-text\">\n<div class=\"csc-textpic-text\">\n<p>A gas pressure regulator shall be incorporated where this is necessary for control of the pressure and the flow rate.<\/p>\n<p>Gas pressure regulators, when fitted, shall comply, with EN 88 or with EN 334 as appropriate.<\/p>\n<p>If the outlet side of the gas pressure regulator and\/or the following line section with equipment up to the burner is\/are not designed for the maximum supply pressure (inlet upstream pressure to the gas pressure regulator under fault conditions) the following measures shall be applied shutting off the gas supply before an excessively high pressure occurs:<\/p>\n<ul>\n<li>an <span class=\"blau\">over pressure cut off device<sup><a href=\"https:\/\/www.system-technik.info\/index.php?id=245&amp;L=1#c651\" target=\"_self\"> [1]<\/a><\/sup><\/span> shall be applied upstream of the gas pressure regulator. This device shall comply with EN 14382;<\/li>\n<li>the over pressure cut off device shall be designed via an overpressure switch according EN 1854 combined with a safety shut-off valve of EN 161;<\/li>\n<li>if an over pressure cut-off device is installed a small capacity relief valve shall always be applied downstream of the gas pressure regulator to vent small leakages of the high pressure cut-off.<\/li>\n<\/ul>\n<p>Pressure adjustment on the gas pressure regulator shall only be possible with a special tool provided for the task.<\/p>\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<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) We recommend the use of a mechanical safety shut-off valve (SSV), e.g. type JSAV. <\/span><\/p>\n<p><span style=\"color: #0000ff;\">The following must be noted if an electrical SSV is used by way of alternative:<\/span><\/p>\n<ul>\n<li>\n<div class=\"blau\">\n<p><span style=\"color: #0000ff;\">The electrical valve must be installed upstream of the pressure regulator. It does not take the place of the (second) main shut-off valve (<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\/5-2-2-3-automatic-shut-off-valves\/\">5.2.2.3<\/a>),<\/span><\/p>\n<\/div>\n<\/li>\n<li>\n<div class=\"blau\">\n<p><span style=\"color: #0000ff;\">since a valve proving system would have to span different pressure ratings. The test pressure cannot be defined.<\/span><\/p>\n<div class=\"blau\">\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/li>\n<li>\n<div class=\"blau\">\n<p><span style=\"color: #0000ff;\">An additional pressure switch must be positioned downstream of the regulator. It issues a signal to the process control system which is required to close the valve safely.<\/span><\/p>\n<\/div>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<div id=\"attachment_9618\" style=\"width: 215px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-9618\" class=\"wp-image-9618 size-full\" src=\"https:\/\/www.kromschroeder.de\/wp-content\/uploads\/2018\/07\/csm_System_SAV_01_c199901ebd.png\" alt=\"\" width=\"205\" height=\"92\" \/><p id=\"caption-attachment-9618\" class=\"wp-caption-text\">System with mechanical SSV<\/p><\/div>\n<div id=\"attachment_9619\" style=\"width: 215px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-9619\" class=\"wp-image-9619 size-full\" src=\"https:\/\/www.kromschroeder.de\/wp-content\/uploads\/2018\/07\/csm_System_SAV.elektr_01_7ba3576112.png\" alt=\"\" width=\"205\" height=\"92\" \/><p id=\"caption-attachment-9619\" class=\"wp-caption-text\">System with electrical SSV<\/p><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\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\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\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":10196,"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-10244","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/pages\/10244","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=10244"}],"version-history":[{"count":0,"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/pages\/10244\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/pages\/10196"}],"wp:attachment":[{"href":"https:\/\/www.kromschroeder.de\/en\/wp-json\/wp\/v2\/media?parent=10244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}