{"id":1666,"date":"2019-11-26T10:03:54","date_gmt":"2019-11-26T10:03:54","guid":{"rendered":"http:\/\/nahrab.decodat.com\/?page_id=1666"},"modified":"2020-12-11T12:11:54","modified_gmt":"2020-12-11T12:11:54","slug":"%d8%b4%db%8c%d8%b1-%d9%87%d8%a7%d9%88%d9%84-%d8%a8%d8%a7%d9%86%da%af%d8%b1","status":"publish","type":"page","link":"https:\/\/en.nahrab.net\/?page_id=1666","title":{"rendered":"Howell Bunger valve"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1666\" class=\"elementor elementor-1666\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0c33860 elementor-section-stretched elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"0c33860\" data-element_type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-203e08c\" data-id=\"203e08c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e6e4739 elementor-widget elementor-widget-writing-effect-headline\" data-id=\"e6e4739\" data-element_type=\"widget\" data-widget_type=\"writing-effect-headline.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t        <h3 class=\"futurio-extra-written-headline\" data-speed=\"50\" data-delay=\"1000\" data-loop=\"1\">\r\n        \r\n                    <span class=\"written-lines\">HOWELL BUNGER VALVE<\/span>\r\n        \r\n                <\/h3>\r\n        \t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4fa9622 elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-invisible\" data-id=\"4fa9622\" data-element_type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;background_background&quot;:&quot;classic&quot;,&quot;animation&quot;:&quot;fadeIn&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b5241c8\" data-id=\"b5241c8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-990388c elementor-position-right elementor-vertical-align-top elementor-widget elementor-widget-image-box\" data-id=\"990388c\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img fetchpriority=\"high\" decoding=\"async\" width=\"297\" height=\"297\" src=\"https:\/\/en.nahrab.net\/wp-content\/uploads\/2019\/11\/howell-01.png\" class=\"elementor-animation-grow attachment-medium size-medium wp-image-1675\" alt=\"\" srcset=\"https:\/\/en.nahrab.net\/wp-content\/uploads\/2019\/11\/howell-01.png 297w, https:\/\/en.nahrab.net\/wp-content\/uploads\/2019\/11\/howell-01-150x150.png 150w, https:\/\/en.nahrab.net\/wp-content\/uploads\/2019\/11\/howell-01-100x100.png 100w, https:\/\/en.nahrab.net\/wp-content\/uploads\/2019\/11\/howell-01-64x64.png 64w\" sizes=\"(max-width: 297px) 100vw, 297px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Howell Bunger valve <\/h3><p class=\"elementor-image-box-description\">\nDN:500-2000 mm\n|\nPN: 10-25 bar\n\n\n<p style=\"text-align: justify;\">Howell bunger valves are used as the main control valve for dams and reservoirs. The main function of these valves is to dissipate the water energy and transfer the negative effects of cavitation out of the pipeline and the valve body.<\/p><\/p><\/div><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-204e0c1 elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-invisible\" data-id=\"204e0c1\" data-element_type=\"section\" data-settings=\"{&quot;animation&quot;:&quot;fadeInDown&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-d54700d\" data-id=\"d54700d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-87855ce elementor-widget elementor-widget-counter\" data-id=\"87855ce\" data-element_type=\"widget\" data-widget_type=\"counter.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-counter\">\n\t\t\t<div class=\"elementor-counter-number-wrapper\">\n\t\t\t\t<span class=\"elementor-counter-number-prefix\">DN: 500 - <\/span>\n\t\t\t\t<span class=\"elementor-counter-number\" data-duration=\"2000\" data-to-value=\"2000\" data-from-value=\"500\">500<\/span>\n\t\t\t\t<span class=\"elementor-counter-number-suffix\"><\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-counter-title\">mm<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-863173a\" data-id=\"863173a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2c21405 elementor-widget elementor-widget-counter\" data-id=\"2c21405\" data-element_type=\"widget\" data-widget_type=\"counter.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-counter\">\n\t\t\t<div class=\"elementor-counter-number-wrapper\">\n\t\t\t\t<span class=\"elementor-counter-number-prefix\">PN: 10 - <\/span>\n\t\t\t\t<span class=\"elementor-counter-number\" data-duration=\"2000\" data-to-value=\"25\" data-from-value=\"10\" data-delimiter=\",\">10<\/span>\n\t\t\t\t<span class=\"elementor-counter-number-suffix\"><\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-counter-title\">Bar<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-7599dbb elementor-tabs-view-horizontal elementor-widget elementor-widget-tabs\" data-id=\"7599dbb\" data-element_type=\"widget\" data-widget_type=\"tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-tabs\">\n\t\t\t<div class=\"elementor-tabs-wrapper\" role=\"tablist\" >\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-1231\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-1231\" aria-expanded=\"false\">More Details<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-1232\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-1232\" aria-expanded=\"false\">Technical Document<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-1233\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-1233\" aria-expanded=\"false\">Technical Drawing<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"elementor-tabs-content-wrapper\" role=\"tablist\" aria-orientation=\"vertical\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-1231\" aria-expanded=\"false\">More Details<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1231\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1231\" tabindex=\"0\" hidden=\"false\"><p>Howell bunger valves are used as the main control valve for dams and reservoirs. The main function of these valves is to dissipate the water energy and transfer the negative effects of cavitation out of the pipeline and the valve body.<\/p><ul><li style=\"text-align: left;\">Drilling of flanges: In accordance with (DIN EN 1092-2 (DIN 2501)<\/li><li style=\"text-align: left;\">The valve actuator seat machining: According to ISO 5210 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li><li style=\"text-align: left;\">Gearbox seat machining :According to ISO 5211<\/li><\/ul><p><strong>Product Features and Advantages:<\/strong><\/p><ul><li>High dissipation of flow energy after leaving the valve<\/li><li>High discharge capacity and very suitable discharge coefficient<\/li><li>nearly linear flow control<\/li><li>Wide range of sizes and pressures<\/li><li>No cavitation<\/li><li>No vibration on the valve and pipe<\/li><li>Very soft displacement of the sleeve on the cylinder<\/li><li>Very low probability of getting stuck due to proper and accurate bearing of sleeve on the cylinder<\/li><li>Tight sealing with two-stage system including metal to primary metal and rubber with secondary metal contact<\/li><li>Controllable opening and closing speed of the sleeve by the operator<\/li><li>Ease of repair and replacement of parts<\/li><\/ul><p><strong>Corrosion Protection :<\/strong><\/p><p>\u00a0\u00a0 Electrostatic\u00a0 epoxy powder Coating\u00a0 with a\u00a0 min\u00a0 thickness\u00a0 250 \u00a0 and certified by reputable international institutions for potable water<\/p><p dir=\"rtl\"><img decoding=\"async\" class=\"wp-image-1669 size-full aligncenter\" src=\"http:\/\/nahrab.decodat.com\/wp-content\/uploads\/2019\/11\/Howell.png\" alt=\"\" width=\"339\" height=\"206\" srcset=\"https:\/\/en.nahrab.net\/wp-content\/uploads\/2019\/11\/Howell.png 339w, https:\/\/en.nahrab.net\/wp-content\/uploads\/2019\/11\/Howell-300x182.png 300w, https:\/\/en.nahrab.net\/wp-content\/uploads\/2019\/11\/Howell-64x39.png 64w\" sizes=\"(max-width: 339px) 100vw, 339px\" \/><\/p><div><table id=\"table-1\"><colgroup> <col \/> <col \/> <col \/> <\/colgroup><tbody><tr><td class=\"CellOverride-1\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-1\">Item <\/span><span class=\"CharOverride-2\">No<\/span><\/p><\/td><td class=\"CellOverride-1\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-1\">Name<\/span><\/p><\/td><td class=\"CellOverride-1\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-1\">Material<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">1 <\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">Main Body<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">Steel (<\/span><span class=\"CharOverride-4\">ST37-2)<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">2 <\/span><\/p><\/td><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">Guard Body<\/span><\/p><\/td><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">Steel (<\/span><span class=\"CharOverride-4\">ST 37-2)<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">3 <\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">Sealing Ring<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">Stainless Steel <\/span><span class=\"CharOverride-4\">1.4301<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-4\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">4 <\/span><\/p><\/td><td class=\"CellOverride-4\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">Main Gearbox<\/span><\/p><\/td><td class=\"CellOverride-4\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">&#8211;<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">5 <\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">Actuator<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">&#8211;<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">6 <\/span><\/p><\/td><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">Bevel Gearbox<\/span><\/p><\/td><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">&#8211;<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">7 <\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">Clamping Ring<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">Steel <\/span><span class=\"CharOverride-4\">ST 37-2<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-4\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">8 <\/span><\/p><\/td><td class=\"CellOverride-4\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">Sealing Rubber<\/span><\/p><\/td><td class=\"CellOverride-4\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">EPDM or NBR<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">9 <\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">Socket Head Screw<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">Stainless Steel <\/span><span class=\"CharOverride-4\">A2<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">10 <\/span><\/p><\/td><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">Bolt<\/span><\/p><\/td><td class=\"CellOverride-3\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">Galvanized Steel<\/span><\/p><\/td><\/tr><tr><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-3\">11 <\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">Nut<\/span><\/p><\/td><td class=\"CellOverride-2\"><p class=\"Normal ParaOverride-1\"><span class=\"CharOverride-4\">Galvanized Steel<\/span><\/p><\/td><\/tr><\/tbody><\/table><\/div><p dir=\"rtl\" style=\"text-align: left;\">Steel needle valve can be also produced as request.<\/p><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-1232\" aria-expanded=\"false\">Technical Document<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1232\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1232\" tabindex=\"0\" hidden=\"hidden\"><ul dir=\"rtl\"><li style=\"text-align: right;\"><a href=\"http:\/\/nahrab.net\/wp-content\/uploads\/2019\/11\/\u0634\u06cc\u0631-\u0633\u0648\u0632\u0646\u06cc.pdf\" target=\"_blank\" rel=\"noopener\">\u06a9\u0627\u062a\u0627\u0644\u0648\u06af \u0634\u06cc\u0631 \u0647\u0627\u0648\u0644 \u0628\u0627\u0646\u06af\u0631<\/a><\/li><\/ul><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-1233\" aria-expanded=\"false\">Technical Drawing<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1233\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1233\" tabindex=\"0\" hidden=\"hidden\"><p dir=\"rtl\" style=\"text-align: left;\">Technical drawings of this valve will be Uploaded soon<\/p><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>HOWELL BUNGER VALVE Howell Bunger valve DN:500-2000 mm | PN: 10-25 bar Howell bunger valves are used as the main control valve for dams and reservoirs. The main function of these valves is to dissipate the water energy and transfer the negative effects of cavitation out of the pipeline and the valve body. DN: 500&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/en.nahrab.net\/index.php?rest_route=\/wp\/v2\/pages\/1666"}],"collection":[{"href":"https:\/\/en.nahrab.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/en.nahrab.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/en.nahrab.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/en.nahrab.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1666"}],"version-history":[{"count":14,"href":"https:\/\/en.nahrab.net\/index.php?rest_route=\/wp\/v2\/pages\/1666\/revisions"}],"predecessor-version":[{"id":3182,"href":"https:\/\/en.nahrab.net\/index.php?rest_route=\/wp\/v2\/pages\/1666\/revisions\/3182"}],"wp:attachment":[{"href":"https:\/\/en.nahrab.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}