{"id":808,"date":"2021-04-18T01:50:25","date_gmt":"2021-05-18T13:50:25","guid":{"rendered":"https:\/\/ata-consultantcy.com\/mckarlen\/product\/bl-series\/"},"modified":"2026-09-02T02:36:22","modified_gmt":"2026-09-01T19:36:22","slug":"bl-series","status":"publish","type":"product","link":"https:\/\/mckarlen.vn\/en\/product\/bl-series\/","title":{"rendered":"BL series"},"content":{"rendered":"<style>body.postid-808{overflow-x:hidden}body.postid-808 #footer{overflow-x:hidden}body.postid-808 .product-main{display:none!important}body.postid-808 .product-footer .product-tabs,body.postid-808 .product-footer #tab-custom_tab,body.postid-808 .product-footer #tab-bwl_atfc_tab,body.postid-808 .related-products-wrapper{display:none!important}body.postid-808 .woocommerce-tabs{max-width:none!important;padding:0!important}body.postid-808 .tab-panels{padding-top:0!important}body.postid-808 #tab-description{display:block!important;padding:0!important}body.postid-808 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.hero-tags{margin-top:16px}.core3-product .actions{display:grid;grid-template-columns:1fr;margin-top:20px}.core3-product .btn{width:100%;min-height:46px}.core3-product .hero-products{grid-template-columns:1fr 1fr;gap:9px}.core3-product .pump-frame{min-height:218px;padding:12px 8px}.core3-product .pump-frame img{height:148px}.core3-product .pump-frame--vi img{max-height:145px}.core3-product .pump-frame figcaption{font-size:14px}.core3-product .pump-frame figcaption small{font-size:10px}.core3-product section{padding:34px 0}.core3-product .section-head{margin-bottom:20px}.core3-product .section-head h2{font-size:26px}.core3-product .grid-2,.core3-product .grid-3,.core3-product .grid-4,.core3-product .support-grid{grid-template-columns:1fr}.core3-product .type-card{grid-template-columns:1fr;padding:19px}.core3-product .type-card .image-box{height:185px}.core3-product .app-card{padding:17px}.core3-product .data-panel,.core3-product .model-panel,.core3-product .doc-group{padding:20px}.core3-product .metric-grid{gap:8px}.core3-product .metric{min-height:94px;padding:12px}.core3-product .metric strong{font-size:19px}.core3-product .duty-copy{padding:22px}.core3-product .input-grid{grid-template-columns:1fr}.core3-product .input-grid div{padding:13px 16px}.core3-product .condition-list{grid-template-columns:1fr}.core3-product .doc-row{align-items:flex-start;flex-direction:column}.core3-product .doc-row .btn{width:100%}.core3-product .final-cta{padding:38px 0}.core3-product .final-cta h2{font-size:30px}.core3-product .footer-row{gap:14px}.core3-product .site-footer{padding:26px 0}}<\/style>\n<div class=\"core3-product core3-product--bl\" data-product-master=\"1.0\" data-language=\"en\">\n<section class=\"hero\" id=\"product-hero\" data-section=\"01\" aria-labelledby=\"hero-title\">\n<div class=\"wrap hero-grid\">\n<div>\n<p class=\"eyebrow\">01 \u00b7 LARGE-VOLUME AXIAL-FLOW \/ MIXED-FLOW SUBMERSIBLE PUMP<\/p>\n<h1 id=\"hero-title\">BL Series<\/h1>\n<p class=\"hero-copy\">McKarlen BL large-volume submersible pumps use an axial-flow or mixed-flow hydraulic configuration according to model. Application contexts include aquaculture, irrigation, water drainage and landscape fountains. Confirm the model against flow, head, liquid, electrical supply and installation conditions.<\/p>\n<div class=\"hero-tags\" aria-label=\"Pump selection data\"><span>Flow<\/span><span>Head<\/span><span>Liquid<\/span><span>Electrical supply<\/span><span>Installation conditions<\/span><\/div>\n<div class=\"actions\"><a class=\"btn btn-primary\" href=\"#technical-data\">View Model Data<\/a><a class=\"btn btn-light\" href=\"https:\/\/mckarlen.vn\/en\/lien-he\/\">Submit Pump Selection Data<\/a><\/div>\n<\/p><\/div>\n<figure class=\"pump-frame\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/mckarlen.vn\/wp-content\/uploads\/2026\/09\/BL_Product_Group_Source.png\" width=\"384\" height=\"244\" style=\"width:384px;max-width:100%;height:auto\" alt=\"Group of four McKarlen BL Series submersible pumps\"><figcaption>BL Series<small>BL family reference image<\/small><\/figcaption><\/figure>\n<\/p><\/div>\n<\/section>\n<section id=\"series-position\" data-section=\"02\" aria-labelledby=\"position-title\">\n<div class=\"wrap\">\n<div class=\"section-head\">\n<p class=\"eyebrow\">02 \u00b7 TYPE AND SERIES POSITION<\/p>\n<h2 id=\"position-title\">BL large-volume axial-flow \/ mixed-flow submersible pump family<\/h2>\n<p>BL is a vertically arranged submersible pump family with an axial-flow or mixed-flow hydraulic configuration depending on model. Review the four documented models against the duty point, liquid, electrical supply and actual installation conditions.<\/p>\n<\/div>\n<div class=\"grid-2\">\n<article class=\"card type-card\">\n<div class=\"image-box\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/mckarlen.vn\/wp-content\/uploads\/2026\/09\/BL_Product_Group_Source.png\" width=\"384\" height=\"244\" style=\"width:384px;max-width:100%;height:auto\" alt=\"BL Series product image\"><\/div>\n<div><span class=\"kicker\">BL SERIES<\/span><\/p>\n<h3>Axial-flow \/ mixed-flow submersible pump<\/h3>\n<p>The BL model scope covers BL-63.7, BL-85.5, BL-107.5 and BL-1211, each with its own rated point, power, discharge, overall dimensions and weight.<\/p>\n<ul>\n<li>Select by flow and head<\/li>\n<li>Confirm impeller type by model<\/li>\n<li>Check electrical and installation configuration<\/li>\n<\/ul>\n<\/div>\n<\/article>\n<article class=\"card\"><span class=\"kicker\">EQUIPMENT CONFIGURATION<\/span><\/p>\n<h3>BL configuration by model<\/h3>\n<p>The BL evidence records a 3-phase, 4-pole, 1500 rpm dry motor at 50 Hz, Class F insulation, IP68 protection, auto-cut protection and a double mechanical seal. Confirm voltage, exact impeller type and final supplied configuration by model.<\/p>\n<\/article><\/div>\n<\/p><\/div>\n<\/section>\n<section class=\"soft\" id=\"applications\" data-section=\"03\" aria-labelledby=\"applications-title\">\n<div class=\"wrap\">\n<div class=\"section-head\">\n<p class=\"eyebrow\">03 \u00b7 EQUIPMENT APPLICATIONS<\/p>\n<h2 id=\"applications-title\">Application contexts suited to BL review<\/h2>\n<p>These are equipment application contexts. They are not project references and do not guarantee that every model fits every liquid condition.<\/p>\n<\/div>\n<div class=\"grid-4\">\n<article class=\"card app-card\">\n<h3>Aquaculture<\/h3>\n<p>Review flow, head, liquid, materials and submergence conditions before model selection.<\/p>\n<\/article>\n<article class=\"card app-card\">\n<h3>Irrigation<\/h3>\n<p>Confirm the duty point, electrical supply, discharge and operating schedule for the actual system.<\/p>\n<\/article>\n<article class=\"card app-card\">\n<h3>Water drainage<\/h3>\n<p>Select equipment by flow and head; do not extend this context to unverified wastewater duties.<\/p>\n<\/article>\n<article class=\"card app-card\">\n<h3>Landscape fountains<\/h3>\n<p>Check circulation flow, head, liquid and installation conditions against the selected model.<\/p>\n<\/article><\/div>\n<\/p><\/div>\n<\/section>\n<section id=\"technical-data\" data-section=\"04\" aria-labelledby=\"data-title\">\n<div class=\"wrap\">\n<div class=\"section-head\">\n<p class=\"eyebrow\">04 \u00b7 KEY TECHNICAL DATA<\/p>\n<h2 id=\"data-title\">BL data for four models<\/h2>\n<p>The flow and head values below are rated points for each model, not whole-family maxima or selection guarantees.<\/p>\n<\/div>\n<div class=\"data-grid\">\n<div class=\"data-panel\">\n<h3>BL Series \u2014 model order: 63.7 \/ 85.5 \/ 107.5 \/ 1211<\/h3>\n<div class=\"metric-grid\">\n<div class=\"metric\"><strong>2.0 \u00b7 3.5 \u00b7 5.5 \u00b7 7.0 m\u00b3\/min<\/strong><span>1. Rated flow by model<\/span><\/div>\n<div class=\"metric\"><strong>10 \u00b7 6 \u00b7 6 \u00b7 7 m<\/strong><span>2. Rated head by model<\/span><\/div>\n<div class=\"metric\"><strong>3.7 \u00b7 5.5 \u00b7 7.5 \u00b7 11 kW<\/strong><span>3. Power by model<\/span><\/div>\n<div class=\"metric\"><strong>1500 rpm \u00b7 4P \u00b7 50 Hz<\/strong><span>4. Speed and frequency<\/span><\/div>\n<\/div>\n<p><strong>Four BL models with technical data<\/strong><\/p>\n<ul>\n<li><strong>BL-63.7<\/strong> \u2014 2.0 m\u00b3\/min @ 10 m; 5 hp \/ 3.7 kW; 6 in; \u00d8285 \u00d7 H790 mm; 87 kg<\/li>\n<li><strong>BL-85.5<\/strong> \u2014 3.5 m\u00b3\/min @ 6 m; 7.5 hp \/ 5.5 kW; 8 in; \u00d8340 \u00d7 H923 mm; 120 kg<\/li>\n<li><strong>BL-107.5<\/strong> \u2014 5.5 m\u00b3\/min @ 6 m; 10 hp \/ 7.5 kW; 10 in; \u00d8380 \u00d7 H1015 mm; 160 kg<\/li>\n<li><strong>BL-1211<\/strong> \u2014 7.0 m\u00b3\/min @ 7 m; 15 hp \/ 11 kW; 12 in; \u00d8430 \u00d7 H1072 mm; 212 kg<\/li>\n<\/ul>\n<\/div>\n<div class=\"model-panel\"><span class=\"kicker\">CONFIGURATION AND OPERATING CONDITIONS<\/span><\/p>\n<h3>Data controlled by model<\/h3>\n<div class=\"confirm-list\">\n<div>5. Connection \u2014 6 \/ 8 \/ 10 \/ 12 in by model<\/div>\n<div>6. Liquid \u2014 confirm composition, application and model<\/div>\n<div>7. Temperature \u2014 0\u201340 \u00b0C; confirm liquid and model<\/div>\n<div>8. Pressure \u2014 Confirm by model.<\/div>\n<div>9. Materials \u2014 confirm by component and model<\/div>\n<div>10. Installation \/ operation \u2014 vertical submersible configuration; maximum depth 3 m; confirm by model<\/div>\n<\/div>\n<\/div><\/div>\n<div class=\"boundary\"><strong>Selection note:<\/strong> voltage, solid passage, pressure, connection detail and accessories do not have an approved whole-family value; confirm each item by model.<\/div>\n<\/p><\/div>\n<\/section>\n<section class=\"soft\" id=\"duty-range\" data-section=\"05\" aria-labelledby=\"duty-title\">\n<div class=\"wrap\">\n<div class=\"section-head\">\n<p class=\"eyebrow\">05 \u00b7 PERFORMANCE AND DUTY RANGE<\/p>\n<h2 id=\"duty-title\">Four BL 50 Hz curves, confirmed by exact model<\/h2>\n<p>Do not derive extra numerical points from the raster graph or select a pump only from the rated point. Confirm the model against the correct curve and operating data.<\/p>\n<\/div>\n<div class=\"duty-panel\">\n<div class=\"duty-copy\">\n<h3>Flow + head + operating conditions<\/h3>\n<p>Check the duty point on the exact model curve together with the liquid, electrical supply, submergence condition and operating schedule.<\/p>\n<\/div>\n<div class=\"input-grid\">\n<div><strong>Duty point<\/strong><span>Flow and total head<\/span><\/div>\n<div><strong>Liquid<\/strong><span>Composition and temperature<\/span><\/div>\n<div><strong>Electrical supply<\/strong><span>3-phase, voltage and protection<\/span><\/div>\n<div><strong>Installation<\/strong><span>Depth, connection and arrangement<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"grid-2\">\n<article class=\"card\"><span class=\"kicker\">BL 50 Hz CURVES<\/span><\/p>\n<h3>BL-63.7 \u00b7 BL-85.5 \u00b7 BL-107.5 \u00b7 BL-1211<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/mckarlen.vn\/wp-content\/uploads\/2021\/04\/BL.png\" alt=\"Four 50 Hz performance curves for BL Series\"><\/p>\n<p>The graph uses head in metres and flow in m\u00b3\/min and m\u00b3\/h. Values are not digitized or interpolated from the image.<\/p>\n<\/article>\n<article class=\"card\"><span class=\"kicker\">CONFIRM BY MODEL<\/span><\/p>\n<h3>Request the curve and duty review<\/h3>\n<p>Send the proposed model, flow, head, liquid, electrical supply and installation conditions to request the correct curve and selection data.<\/p>\n<p><a class=\"btn btn-outline\" href=\"https:\/\/mckarlen.vn\/en\/lien-he\/\">Request Curve by Model<\/a><\/article>\n<\/div>\n<div class=\"boundary\"><strong>Responsibility boundary:<\/strong> McKarlen supports equipment selection and product-data confirmation. System design, electrical work, piping, installation, construction and commissioning remain with the responsible project parties.<\/div>\n<\/p><\/div>\n<\/section>\n<section id=\"materials\" data-section=\"06\" aria-labelledby=\"materials-title\">\n<div class=\"wrap\">\n<div class=\"section-head\">\n<p class=\"eyebrow\">06 \u00b7 MATERIALS AND CONFIGURATION<\/p>\n<h2 id=\"materials-title\">Materials confirmed by component and model<\/h2>\n<p>One component material is not used to describe the complete pump. Confirm the final supplied configuration by model.<\/p>\n<\/div>\n<div class=\"grid-3\">\n<article class=\"card config-card\"><span class=\"kicker\">OUT COVER \/ SHAFT<\/span><\/p>\n<h3>SUS304 \/ SUS304<\/h3>\n<p>Applies only to the stated components; confirm the final configuration by model.<\/p>\n<\/article>\n<article class=\"card config-card\"><span class=\"kicker\">TOP COVER \/ PUMP HOUSING \/ INSIDE TOP COVER<\/span><\/p>\n<h3>HT200 \/ HT200 \/ BC6<\/h3>\n<p>Component materials from the BL column; do not convert them into a whole-pump material statement.<\/p>\n<\/article>\n<article class=\"card config-card\"><span class=\"kicker\">SEAL \/ IMPELLER<\/span><\/p>\n<h3>SiC \/ SiC \u00b7 ALBC3<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/mckarlen.vn\/wp-content\/uploads\/2026\/09\/BL_Impeller_Group_Source.png\" alt=\"Three BL impeller configurations by model group\"><\/p>\n<p>Double mechanical seal and axial-flow \/ mixed-flow impeller; confirm the exact impeller geometry by model.<\/p>\n<\/article>\n<\/div>\n<div class=\"boundary\"><strong>Material control:<\/strong> detailed materials are confirmed by component and model. The complete BL Series is not stated to be SUS304.<\/div>\n<\/p><\/div>\n<\/section>\n<section class=\"soft\" id=\"installation\" data-section=\"07\" aria-labelledby=\"installation-title\">\n<div class=\"wrap\">\n<div class=\"section-head\">\n<p class=\"eyebrow\">07 \u00b7 INSTALLATION CONDITIONS<\/p>\n<h2 id=\"installation-title\">Installation and operating conditions by BL model<\/h2>\n<p>McKarlen provides equipment-related guidance. System design and site execution remain with the responsible project parties.<\/p>\n<\/div>\n<div class=\"condition-list\">\n<div class=\"condition\"><strong>Submergence depth<\/strong><span>The documented limit is 3 m; confirm water level and submergence conditions by model.<\/span><\/div>\n<div class=\"condition\"><strong>Liquid and temperature<\/strong><span>Documented range 0\u201340 \u00b0C; check liquid composition and component materials before selection.<\/span><\/div>\n<div class=\"condition\"><strong>Connection and arrangement<\/strong><span>Only overall diameter and height are available; request the model drawing for connection and installation detail.<\/span><\/div>\n<div class=\"condition\"><strong>Electrical supply and protection<\/strong><span>3-phase, 50 Hz, 4P; confirm voltage, IP68, Class F and auto-cut protection for the supplied configuration.<\/span><\/div>\n<\/div>\n<div class=\"boundary\">Do not infer civil dimensions, clearances, piping, electrical details or installation geometry from the product image or overall dimensions.<\/div>\n<\/p><\/div>\n<\/section>\n<section id=\"documents\" data-section=\"08\" aria-labelledby=\"documents-title\">\n<div class=\"wrap\">\n<div class=\"section-head\">\n<p class=\"eyebrow\">08 \u00b7 TECHNICAL DOCUMENTS<\/p>\n<h2 id=\"documents-title\">BL documents provided by model<\/h2>\n<p>Send the model, duty point and intended use to request the appropriate curve, datasheet, drawing and material confirmation.<\/p>\n<\/div>\n<div class=\"doc-layout\">\n<div class=\"doc-group\">\n<h3>Selection documents<\/h3>\n<p>Issued after confirming the model and duty point.<\/p>\n<div class=\"doc-row\">\n<div><strong>Pump curve<\/strong><small>50 Hz \u2014 exact BL model<\/small><\/div>\n<p><a class=\"btn btn-outline\" href=\"https:\/\/mckarlen.vn\/en\/lien-he\/\">Request by Model<\/a><\/div>\n<div class=\"doc-row\">\n<div><strong>Datasheet<\/strong><small>Model data and configuration<\/small><\/div>\n<p><a class=\"btn btn-outline\" href=\"https:\/\/mckarlen.vn\/en\/lien-he\/\">Request Datasheet<\/a><\/div>\n<\/div>\n<div class=\"doc-group\">\n<h3>Configuration documents<\/h3>\n<p>Confirm the revision before use.<\/p>\n<div class=\"doc-row\">\n<div><strong>Technical drawing<\/strong><small>Dimensions, connection and arrangement<\/small><\/div>\n<p><a class=\"btn btn-outline\" href=\"https:\/\/mckarlen.vn\/en\/lien-he\/\">Request Drawing<\/a><\/div>\n<div class=\"doc-row\">\n<div><strong>Material confirmation<\/strong><small>By component, model and liquid<\/small><\/div>\n<p><a class=\"btn btn-outline\" href=\"https:\/\/mckarlen.vn\/en\/lien-he\/\">Request Confirmation<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/section>\n<section class=\"soft\" id=\"related-families\" data-section=\"09\" aria-labelledby=\"related-title\">\n<div class=\"wrap\">\n<div class=\"section-head\">\n<p class=\"eyebrow\">09 \u00b7 RELATED PRODUCT FAMILIES<\/p>\n<h2 id=\"related-title\">Other pump families reviewed against the liquid and duty point<\/h2>\n<p>GV and HDP are not automatic substitutes for BL.<\/p>\n<\/div>\n<div class=\"grid-2\">\n<article class=\"card related-card\"><span class=\"kicker\">GV SERIES<\/span><\/p>\n<h3>Submersible vortex sewage pump<\/h3>\n<p>Review GV when the liquid, solids and duty point fit the verified GV model scope.<\/p>\n<p><a class=\"btn btn-outline\" href=\"https:\/\/mckarlen.vn\/en\/product\/gv-series\/\">View GV Series<\/a><\/article>\n<article class=\"card related-card\"><span class=\"kicker\">HDP SERIES<\/span><\/p>\n<h3>Submersible dewatering pump<\/h3>\n<p>Compare the duty point, liquid, connection and installation conditions before equipment selection.<\/p>\n<p><a class=\"btn btn-outline\" href=\"https:\/\/mckarlen.vn\/en\/product\/hdp\/\">View HDP Series<\/a><\/article>\n<\/div><\/div>\n<\/section>\n<section id=\"after-sales\" data-section=\"10\" aria-labelledby=\"support-title\">\n<div class=\"wrap\">\n<div class=\"section-head\">\n<p class=\"eyebrow\">10 \u00b7 SPARE PARTS, WARRANTY AND AFTER-SALES<\/p>\n<h2 id=\"support-title\">Support based on the model, equipment identity and operating conditions<\/h2>\n<p>Provide pump photos, nameplate details, delivery records, duty point and actual operating condition for review.<\/p>\n<\/div>\n<div class=\"support-grid\">\n<article class=\"support-card\">\n<h3>Model-based spare parts<\/h3>\n<p>Identify parts from the model, configuration, serial details and photos of the required component.<\/p>\n<\/article>\n<article class=\"support-card\">\n<h3>Warranty request<\/h3>\n<p>Review delivery records, operating data, liquid conditions and inspection evidence.<\/p>\n<\/article>\n<article class=\"support-card\">\n<h3>After-sales technical support<\/h3>\n<p>Equipment-related guidance, data review and product-document support.<\/p>\n<\/article>\n<\/div>\n<div class=\"boundary\">System design, electrical supply, piping, installation and operating conditions are reviewed separately before the support or warranty scope is confirmed.<\/div>\n<\/p><\/div>\n<\/section>\n<section class=\"final-cta\" id=\"selection\" data-section=\"11\" aria-labelledby=\"selection-title\">\n<div class=\"wrap cta-grid\">\n<div>\n<p class=\"eyebrow\">11 \u00b7 MODEL SELECTION<\/p>\n<h2 id=\"selection-title\">Submit the duty point to confirm a BL model<\/h2>\n<p>The technical team will review the data, identify missing inputs and discuss the required model, configuration and documents.<\/p>\n<div class=\"cta-tags\"><span>Flow<\/span><span>Head<\/span><span>Liquid \/ temperature<\/span><span>Electrical supply<\/span><span>Installation conditions \/ BOQ<\/span><\/div>\n<\/div>\n<div class=\"cta-actions\"><a class=\"btn btn-primary\" href=\"https:\/\/mckarlen.vn\/en\/lien-he\/\">Submit Pump Selection Data<\/a><a class=\"btn btn-light\" href=\"https:\/\/mckarlen.vn\/en\/lien-he\/\">Contact Technical Support<\/a><\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Pump BL &#8211; KL is a large flow submersible pump. Trusted and widely applied in: agricultural irrigation, forestry, industrial water supply, centralized water supply and drainage, projects requiring large amounts of water, etc.<\/p>\n<p>BL pump is designed with internal copper casting, double mechanical seal and 3 separate impeller design. Most of the housing is made of extremely corrosion resistant stainless steel, the impeller is made of ABLC3 which is suitable for seawater and sand resistant applications.<\/p>\n","protected":false},"featured_media":987,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"class_list":["post-808","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-agrilculture","product_cat-bom-chim-en"],"_links":{"self":[{"href":"https:\/\/mckarlen.vn\/en\/wp-json\/wp\/v2\/product\/808","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mckarlen.vn\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/mckarlen.vn\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/mckarlen.vn\/en\/wp-json\/wp\/v2\/comments?post=808"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mckarlen.vn\/en\/wp-json\/wp\/v2\/media\/987"}],"wp:attachment":[{"href":"https:\/\/mckarlen.vn\/en\/wp-json\/wp\/v2\/media?parent=808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}