{"id":8314,"date":"2021-09-03T18:39:38","date_gmt":"2021-09-03T15:39:38","guid":{"rendered":"https:\/\/etg-egy.com\/?page_id=8314"},"modified":"2023-05-15T22:36:49","modified_gmt":"2023-05-15T19:36:49","slug":"vacuum-tube-heat-pipe","status":"publish","type":"page","link":"https:\/\/etg-egy.com\/en\/vacuum-tube-heat-pipe\/","title":{"rendered":"ETG Solar Water Heater (Vacuum Tube- Heat Pipe)"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row css=&#8221;.vc_custom_1630682417187{margin-bottom: 4vh !important;}&#8221; mobile_bg_img_hidden=&#8221;no&#8221; tablet_bg_img_hidden=&#8221;no&#8221; woodmart_parallax=&#8221;0&#8243; woodmart_gradient_switch=&#8221;no&#8221; row_reverse_mobile=&#8221;0&#8243; row_reverse_tablet=&#8221;0&#8243; woodmart_disable_overflow=&#8221;0&#8243;][vc_column width=&#8221;1\/4&#8243;][\/vc_column][vc_column width=&#8221;1\/4&#8243;][vc_single_image image=&#8221;8332&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css_animation=&#8221;fadeInLeftBig&#8221; css=&#8221;.vc_custom_1630950351572{margin-bottom: 0px !important;}&#8221; woodmart_inline=&#8221;no&#8221; parallax_scroll=&#8221;no&#8221;][\/vc_column][vc_column width=&#8221;1\/4&#8243; css=&#8221;.vc_custom_1630682175550{margin-top: 20px !important;}&#8221; mobile_bg_img_hidden=&#8221;no&#8221; tablet_bg_img_hidden=&#8221;no&#8221; woodmart_parallax=&#8221;0&#8243; woodmart_sticky_column=&#8221;false&#8221; parallax_scroll=&#8221;no&#8221; mobile_reset_margin=&#8221;no&#8221; tablet_reset_margin=&#8221;no&#8221;][vc_single_image image=&#8221;8331&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css_animation=&#8221;fadeInRightBig&#8221; css=&#8221;.vc_custom_1630950370243{margin-bottom: 25px !important;}&#8221; woodmart_inline=&#8221;no&#8221; parallax_scroll=&#8221;no&#8221;][\/vc_column][vc_column width=&#8221;1\/4&#8243;][\/vc_column][\/vc_row][vc_row full_width=&#8221;stretch_row&#8221; mobile_bg_img_hidden=&#8221;no&#8221; tablet_bg_img_hidden=&#8221;no&#8221; woodmart_parallax=&#8221;0&#8243; woodmart_gradient_switch=&#8221;no&#8221; row_reverse_mobile=&#8221;0&#8243; row_reverse_tablet=&#8221;0&#8243; woodmart_disable_overflow=&#8221;0&#8243;][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1630582157865{padding-top: 0px !important;}&#8221; mobile_bg_img_hidden=&#8221;no&#8221; tablet_bg_img_hidden=&#8221;no&#8221; woodmart_parallax=&#8221;0&#8243; woodmart_sticky_column=&#8221;false&#8221; parallax_scroll=&#8221;no&#8221; mobile_reset_margin=&#8221;no&#8221; tablet_reset_margin=&#8221;no&#8221; offset=&#8221;vc_col-lg-6 vc_col-md-6 vc_col-xs-12&#8243;][vc_empty_space height=&#8221;4vh&#8221; woodmart_hide_large=&#8221;0&#8243; woodmart_hide_medium=&#8221;0&#8243; woodmart_hide_small=&#8221;1&#8243; woodmart_hide_extra_small=&#8221;1&#8243;][vc_gallery type=&#8221;nivo&#8221; interval=&#8221;3&#8243; images=&#8221;8353,9008,9009,8344,9016,9012,8350,9007,9013,8342,9011,9015,8349,8343,9006,9010,9014&#8243; img_size=&#8221;full&#8221; onclick=&#8221;&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1615813418845{margin-right: 30px !important;margin-bottom: 4vh !important;padding-top: 0px !important;}&#8221; mobile_bg_img_hidden=&#8221;no&#8221; tablet_bg_img_hidden=&#8221;no&#8221; woodmart_parallax=&#8221;0&#8243; woodmart_sticky_column=&#8221;false&#8221; parallax_scroll=&#8221;no&#8221; mobile_reset_margin=&#8221;yes&#8221; tablet_reset_margin=&#8221;yes&#8221; offset=&#8221;vc_col-lg-6 vc_col-md-6 vc_col-xs-12&#8243;][vc_empty_space height=&#8221;4vh&#8221; woodmart_hide_large=&#8221;0&#8243; woodmart_hide_medium=&#8221;0&#8243; woodmart_hide_small=&#8221;1&#8243; woodmart_hide_extra_small=&#8221;1&#8243;]\t\t\t<link rel=\"stylesheet\" id=\"wd-responsive-text-css\" href=\"https:\/\/etg-egy.com\/wp-content\/themes\/woodmart\/css\/parts\/el-responsive-text.min.css?ver=6.1.3\" type=\"text\/css\" media=\"all\" \/> \t\t\t\t\t\t<div id=\"wd-6256e2a39849b\" class=\"wd-text-block-wrapper wd-wpb color-scheme- wd-width-100 text-left \">\n\t\t\t\t<div class=\"woodmart-title-container woodmart-text-block reset-last-child font-primary wd-font-weight-600 wd-fontsize-m\">\n\t\t\t\t\t<\/p>\n<div class=\"themesflat_sc_vc-headings clearfix text-center\" data-font=\"22\" data-mfont=\"24\">\n<h2 class=\"heading clearfix\" style=\"text-align: left;\"><span style=\"color: #446f98; font-size: 24px;\">Eurotech Solar Water Heater (Vacuum Tube- Heat Pipe)<\/span><\/h2>\n<\/div>\n<div class=\"themesflat_sc_vc-spacer clearfix\" data-desktop=\"15\" data-mobi=\"15\" data-smobi=\"15\"><\/div>\n<div class=\"vc_wp_text wpb_content_element\">\n<div class=\"widget widget_text\">\n<div class=\"textwidget\">\n<p>&nbsp;<\/p>\n<h3><span style=\"color: #446f98; font-size: 26px;\"><strong>Thermal tank<\/strong><\/span><\/h3>\n<h5><strong><img decoding=\"async\" class=\"alignnone size-medium wp-image-6846\" src=\"https:\/\/etg-egy.com\/wp-content\/uploads\/2021\/09\/13-480x193-1.png\" alt=\"\" width=\"300\" height=\"120\" \/><\/strong><\/h5>\n<ul>\n<li>\n<h5><strong>\u2013 The cylindrical tank is pressurized<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 Internal tank: stainless steel thickness of 1.2 mm.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 Vacuum tubes: 1800\/58 mm.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 All circular tank openings in which glass tubes are inserted are securely closed by means of circular stainless steel cases.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 Magnesium electrode to protect the tank from rust and corrosion.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 The sun heats the copper pipes inside the glass tubes, and in turn they heat the stainless steel cases enclosed by the tank.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 Which leads to heating the water inside the tank and thus we avoid the problem of the presence of water inside the glass tubes so as not to be exposed to leakage in the event of breaking any of the glass tubes.<\/strong><\/h5>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span style=\"color: #446f98; font-size: 26px;\"><strong>Solar heater holder<\/strong><\/span><\/h3>\n<ul>\n<li><strong>\u2013 Manufactured from steel sectors and coated with an electrostatic protection layer.<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span style=\"color: #446f98; font-size: 26px;\"><strong>Solar collectors<\/strong><\/span><\/h3>\n<h5><strong><img decoding=\"async\" class=\"alignnone wp-image-7025\" src=\"https:\/\/etg-egy.com\/wp-content\/uploads\/2021\/09\/Bestefficiencyheatpipesolarcollector_1_0_1576465075-250x250-1.png\" alt=\"\" width=\"213\" height=\"213\" \/><\/strong><\/h5>\n<ul>\n<li>\n<h5><strong>\u2013 Vacuum tubes: 1800\/58 mm.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 Inside each glass tube is another tube, the outer is a transparent tube and the inner tube has a Highly Absorbing Coating (Selective-Coating) and the air is discharged between the two tubes.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 In each glass tube there is a copper pipe injected with a heating fluid implanted inside the stainless steel case to work on the heating of the stainless steel case.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 The solar radiation permeability coefficient of the tubes is 95%.<\/strong><\/h5>\n<\/li>\n<\/ul>\n<h3><strong><u><img decoding=\"async\" class=\"alignnone wp-image-5612\" src=\"https:\/\/etg-egy.com\/wp-content\/uploads\/2021\/09\/\u064a\u0634\u064a\u0634\u064a\u0634-1-768x137-1.png\" alt=\"\" width=\"728\" height=\"131\" \/><\/u><\/strong><\/h3>\n<h3><span style=\"color: #446f98; font-size: 26px;\"><strong>Heater accessories<\/strong><\/span><\/h3>\n<ul>\n<li>\n<h5><strong>\u2013 Brass relief and safety valve at the hot water outlet.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 Non-return and safety brass valve at cold water inlet with a diameter of \u00be inch.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 Ball valve \u00be inch below the tank for washing the system from dust and dirt.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 Electric heating element and thermostat to work in the absence of the sun.<\/strong><\/h5>\n<\/li>\n<\/ul>\n<h3><strong><u><img decoding=\"async\" class=\"alignnone wp-image-5597\" src=\"https:\/\/etg-egy.com\/wp-content\/uploads\/2021\/09\/8-768x134-1.png\" alt=\"\" width=\"629\" height=\"109\" \/><\/u><\/strong><\/h3>\n<h3><span style=\"color: #446f98; font-size: 26px;\"><strong>Operating instructions<\/strong><\/span><\/h3>\n<ul>\n<li>\n<h5><strong>\u2013 The Solar heater depends on the glass tubes coated with the highly absorbent (Selective-Coating) material for the heat and sun radiation. The glass tubes heat the copper pipes inside, and in turn, they heat the stainless steel cases enclosed by the tank holes and thus heat the water inside the tank.<\/strong><\/h5>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h4><span style=\"color: #446f98;\"><strong>Advantages of Vacuum Tube- Heat Pipe<\/strong><\/span><\/h4>\n<ul>\n<li>\n<h5><strong>\u2013 Ease of maintenance, streamlining, and dismounting of the heater parts.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 The solar heater contains a magnesium column to protect the tank from rust and corrosion.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 The solar heater maintains temperatures for more than 72 hours.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 Availability of general spare parts with cheap price.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 Availability of highly trained maintenance crews.<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 The glass tube heater has the ability to raise the water temperature super perfectly<\/strong><\/h5>\n<\/li>\n<li>\n<h5><strong>\u2013 The stainless steel tank is resistant to rust and corrosion<\/strong><\/h5>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<p>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t[\/vc_column][\/vc_row][vc_row full_width=&#8221;stretch_row_content&#8221; 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