{"id":359,"date":"2025-08-07T12:27:19","date_gmt":"2025-08-07T08:57:19","guid":{"rendered":"https:\/\/sayalbandco.com\/?post_type=product&#038;p=359"},"modified":"2026-03-02T11:20:54","modified_gmt":"2026-03-02T07:50:54","slug":"warm-water-boiler","status":"publish","type":"product","link":"https:\/\/sayalbandco.com\/en\/product\/warm-water-boiler\/","title":{"rendered":"Hot water boiler"},"content":{"rendered":"<h2 data-start=\"282\" data-end=\"315\">Warm Water Boiler<\/h2>\n<p data-start=\"317\" data-end=\"555\">A warm water boiler is a closed heat exchanger where thermal energy is transferred from a heating fluid to a fluid being heated<br data-start=\"426\" data-end=\"429\" \/>In most cases, the heated fluid is water, while the heating medium can be combustion gases, electric heating elements, or even solar energy.<\/p>\n<p data-start=\"557\" data-end=\"616\">In industry, boilers are classified based on the water phase into the following types:<\/p>\n<ul data-start=\"618\" data-end=\"739\">\n<li data-start=\"618\" data-end=\"652\">\n<p data-start=\"620\" data-end=\"652\"><strong>\u2022\tWarm Water Boiler<\/strong><\/p>\n<\/li>\n<li data-start=\"653\" data-end=\"686\">\n<p data-start=\"655\" data-end=\"686\"><strong>\u2022\tHot Water Boiler<\/strong><\/p>\n<\/li>\n<li data-start=\"687\" data-end=\"714\">\n<p data-start=\"689\" data-end=\"714\"><strong>\u2022\tSteam Boiler<\/strong><\/p>\n<\/li>\n<li data-start=\"715\" data-end=\"739\">\n<p data-start=\"717\" data-end=\"739\"><strong>\u2022\tSuperheater<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"741\" data-end=\"835\">Warm water boilers are commonly used in building applications, while other types are mainly applied in industrial settings.<\/p>\n<hr data-start=\"837\" data-end=\"840\" \/>\n<h2 data-start=\"842\" data-end=\"872\">Boiler Types by Structure<\/h2>\n<h3 data-start=\"874\" data-end=\"898\">1. Steel and Cast-Iron Boilers<\/h3>\n<p data-start=\"899\" data-end=\"953\">Boilers are primarily categorized by body material:<\/p>\n<ul data-start=\"954\" data-end=\"1003\">\n<li data-start=\"954\" data-end=\"964\">\n<p data-start=\"956\" data-end=\"964\">\u2022\tCast-Iron Boiler<\/p>\n<\/li>\n<li data-start=\"965\" data-end=\"1003\">\n<p data-start=\"967\" data-end=\"1003\">\u2022\tSteel Boiler (commonly used in industrial applications)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1005\" data-end=\"1042\">Our products are steel type.<\/p>\n<hr data-start=\"1044\" data-end=\"1047\" \/>\n<h3 data-start=\"1049\" data-end=\"1072\">2. Shell and Tube Boilers<\/h3>\n<p data-start=\"1074\" data-end=\"1117\">These boilers are produced in two main configurations:<\/p>\n<h4 data-start=\"1119\" data-end=\"1149\">Water Tube<\/h4>\n<ul data-start=\"1150\" data-end=\"1260\">\n<li data-start=\"1150\" data-end=\"1182\">\n<p data-start=\"1152\" data-end=\"1182\">\u2022\tFluid flows inside the tubes<\/p>\n<\/li>\n<li data-start=\"1183\" data-end=\"1227\">\n<p data-start=\"1185\" data-end=\"1227\">\u2022\tCombustion gases move around the tubes<\/p>\n<\/li>\n<li data-start=\"1228\" data-end=\"1260\">\n<p data-start=\"1230\" data-end=\"1260\">\u2022\tSuitable for high pressure and high-capacity applications<\/p>\n<\/li>\n<\/ul>\n<h4 data-start=\"1262\" data-end=\"1291\">Fire Tube Boiler<\/h4>\n<ul data-start=\"1292\" data-end=\"1414\">\n<li data-start=\"1292\" data-end=\"1335\">\n<p data-start=\"1294\" data-end=\"1335\">\u2022\tCombustion gases flow inside the tubes<\/p>\n<\/li>\n<li data-start=\"1336\" data-end=\"1369\">\n<p data-start=\"1338\" data-end=\"1369\">\u2022\tWater surrounds the tubes<\/p>\n<\/li>\n<li data-start=\"1370\" data-end=\"1414\">\n<p data-start=\"1372\" data-end=\"1414\">\u2022\tSuitable for general applications and medium capacities<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"1416\" data-end=\"1419\" \/>\n<h3 data-start=\"1421\" data-end=\"1452\">3. Tubeless Boiler<\/h3>\n<p data-start=\"1454\" data-end=\"1534\">In tubeless designs, combustion air acts as an insulator. This provides:<br data-start=\"1518\" data-end=\"1521\" \/>\u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0627\u0639\u062b:<\/p>\n<ul data-start=\"1535\" data-end=\"1613\">\n<li data-start=\"1535\" data-end=\"1559\">\n<p data-start=\"1537\" data-end=\"1559\">\u2022\tReduced insulation costs<\/p>\n<\/li>\n<li data-start=\"1560\" data-end=\"1587\">\n<p data-start=\"1562\" data-end=\"1587\">\u2022\tPreheating of combustion air<\/p>\n<\/li>\n<li data-start=\"1588\" data-end=\"1613\">\n<p data-start=\"1590\" data-end=\"1613\">\u2022\tImproved thermal efficiency<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"1615\" data-end=\"1618\" \/>\n<h3 data-start=\"1620\" data-end=\"1654\">4. Spiral Boiler<\/h3>\n<p data-start=\"1656\" data-end=\"1700\">The spiral boiler is designed as a vertical two-pass system:<\/p>\n<ul data-start=\"1701\" data-end=\"1764\">\n<li data-start=\"1701\" data-end=\"1724\">\n<p data-start=\"1703\" data-end=\"1724\">\u2022\tFirst Pass: Vertical furnace<\/p>\n<\/li>\n<li data-start=\"1725\" data-end=\"1764\">\n<p data-start=\"1727\" data-end=\"1764\">\u2022\tSecond Pass: Multi-row spiral tubes<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1766\" data-end=\"1862\">Due to the long and spiral path of combustion gases, it achieves higher thermal efficiency than conventional boilers.<\/p>\n<hr data-start=\"1864\" data-end=\"1867\" \/>\n<h2 data-start=\"1869\" data-end=\"1895\">Hot water boilers Sayal Band<\/h2>\n<p data-start=\"1897\" data-end=\"1956\">Sayal Band warm water boilers are designed and manufactured in the following types:<strong> \u0622\u0628 \u06af\u0631\u0645 \u0633\u06cc\u0627\u0644 \u0628\u0646\u062f<\/strong> \u062f\u0631 \u0627\u0646\u0648\u0627\u0639 \u0632\u06cc\u0631 \u0637\u0631\u0627\u062d\u06cc \u0648 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc\u200c\u0634\u0648\u0646\u062f:<\/p>\n<ul data-start=\"1957\" data-end=\"2013\">\n<li data-start=\"1957\" data-end=\"1980\">\n<p data-start=\"1959\" data-end=\"1980\">\u2022\tCylindrical Fire Tube<\/p>\n<\/li>\n<li data-start=\"1981\" data-end=\"1993\">\n<p data-start=\"1983\" data-end=\"1993\">\u2022\tFirebox<\/p>\n<\/li>\n<li data-start=\"1994\" data-end=\"2013\">\n<p data-start=\"1996\" data-end=\"2013\">\u2022\tVertical Tubeless<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2015\" data-end=\"2023\">Typical Applications:<\/p>\n<ul data-start=\"2024\" data-end=\"2122\">\n<li data-start=\"2024\" data-end=\"2079\">\n<p data-start=\"2026\" data-end=\"2079\">\u2022\tCapacity over 500,000 kcal \u2192 Cylindrical Fire Tube<\/p>\n<\/li>\n<li data-start=\"2080\" data-end=\"2122\">\n<p data-start=\"2082\" data-end=\"2122\">\u2022\tLower capacity \u2192 Firebox or Tubeless<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2124\" data-end=\"2189\">These boilers achieve a thermal efficiency of over 88% without energy recovery equipment. <strong data-start=\"2177\" data-end=\"2184\">\u06f8\u06f8\u066a<\/strong> \u0627\u0633\u062a.<\/p>\n<hr data-start=\"2191\" data-end=\"2194\" \/>\n<h2 data-start=\"2196\" data-end=\"2229\">Advantages of Sayal Band Warm Water Boilers<\/h2>\n<ul data-start=\"2231\" data-end=\"2753\">\n<li data-start=\"2231\" data-end=\"2270\">\n<p data-start=\"2233\" data-end=\"2270\">\u2022\tCompetitive pricing compared to similar products<\/p>\n<\/li>\n<li data-start=\"2271\" data-end=\"2294\">\n<p data-start=\"2273\" data-end=\"2294\">High thermal efficiency<\/p>\n<\/li>\n<li data-start=\"2295\" data-end=\"2326\">\n<p data-start=\"2297\" data-end=\"2326\">\u2022\tUse of dedicated burners<strong> \u0645\u0634\u0639\u0644\u200c\u0647\u0627\u06cc \u0627\u062e\u062a\u0635\u0627\u0635\u06cc<\/strong><\/p>\n<\/li>\n<li data-start=\"2327\" data-end=\"2375\">\n<p data-start=\"2329\" data-end=\"2375\">\u2022\tEnhanced heat transfer with fins and turbulators<\/p>\n<\/li>\n<li data-start=\"2376\" data-end=\"2413\">\n<p data-start=\"2378\" data-end=\"2413\">\u2022\tPreheated combustion air with Air Jacket<\/p>\n<\/li>\n<li data-start=\"2414\" data-end=\"2447\">\n<p data-start=\"2416\" data-end=\"2447\">\u2022\tCompact dimensions, saving space<\/p>\n<\/li>\n<li data-start=\"2448\" data-end=\"2470\">\n<p data-start=\"2450\" data-end=\"2470\">\u2022\tEasy installation and maintenance<\/p>\n<\/li>\n<li data-start=\"2471\" data-end=\"2511\">\n<p data-start=\"2473\" data-end=\"2511\">\u2022\tHigh-density ceramic fiber insulation<\/p>\n<\/li>\n<li data-start=\"2512\" data-end=\"2578\">\n<p data-start=\"2514\" data-end=\"2578\">\u2022\tCorrugated combustion chamber for increased durability<\/p>\n<\/li>\n<li data-start=\"2579\" data-end=\"2621\">\n<p data-start=\"2581\" data-end=\"2621\">\u2022\tFire-tube plates made of DIN 17155-17Mn4<\/p>\n<\/li>\n<li data-start=\"2622\" data-end=\"2666\">\n<p data-start=\"2624\" data-end=\"2666\">\u2022\tSeamless tubes according to DIN 17175-ST35.8<\/p>\n<\/li>\n<li data-start=\"2667\" data-end=\"2714\">\n<p data-start=\"2669\" data-end=\"2714\">\u2022\tWelding compliant with WPS, PQR, and EN287 standards<\/p>\n<\/li>\n<li data-start=\"2715\" data-end=\"2753\">\n<p data-start=\"2717\" data-end=\"2753\">\u2022\tCompatible with various fossil fuels<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>\u062f\u06cc\u06af \u0622\u0628 \u06af\u0631\u0645 (Warm Water Boiler) \u062f\u06cc\u06af \u0622\u0628 \u06af\u0631\u0645 \u06cc\u06a9 \u0645\u0628\u062f\u0644 \u062d\u0631\u0627\u0631\u062a\u06cc \u0628\u0633\u062a\u0647 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0627\u0646\u0631\u0698\u06cc \u062d\u0631\u0627\u0631\u062a\u06cc \u0627\u0632<\/p>","protected":false},"featured_media":880,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[19],"product_tag":[],"class_list":{"0":"post-359","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-boilers","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v25.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u0628\u0648\u06cc\u0644\u0631 \u0622\u0628 \u06af\u0631\u0645 - \u0634\u0631\u06a9\u062a \u0635\u0646\u0639\u062a\u06cc \u0633\u06cc\u0627\u0644 \u0628\u0646\u062f<\/title>\n<meta name=\"description\" content=\"\u062f\u06cc\u06af \u0622\u0628 \u06af\u0631\u0645 \u06cc\u06a9 \u0628\u0648\u06cc\u0644\u0631 \u062d\u0631\u0627\u0631\u062a\u06cc \u0628\u0631\u0627\u06cc \u06af\u0631\u0645\u0627\u06cc\u0634 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