{"id":2734,"date":"2026-09-04T14:05:48","date_gmt":"2026-09-04T06:05:48","guid":{"rendered":"https:\/\/pumpingchem.com\/?p=2734"},"modified":"2026-09-04T15:25:51","modified_gmt":"2026-09-04T07:25:51","slug":"hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement","status":"publish","type":"post","link":"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/","title":{"rendered":"Compatible Replacement for HDB2,DGN4SS, HDB2,DN4SS and HDB2,DB4SS"},"content":{"rendered":"\n<p>If you are using an HDB2,DGN4SS, HDB2,DN4SS or HDB2,DB4SS pump and are looking for a compatible replacement, the complete model reference is important.<\/p>\n\n\n\n<p>Different HDB2 configurations may use different wetted and elastomer materials. Selecting a replacement only by the nominal 2-inch pump size may therefore result in an incorrect material configuration.<\/p>\n\n\n\n<p>DJ PUMP currently offers compatible replacement options for selected HDB2 stainless-steel configurations, including HDB2,DGN4SS, HDB2,DN4SS and HDB2,DB4SS.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_50 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/#Selected_HDB2_Models_We_Can_Cross-Reference\" title=\"Selected HDB2 Models We Can Cross-Reference\">Selected HDB2 Models We Can Cross-Reference<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/#Why_the_Complete_HDB2_Model_Number_Matters\" title=\"Why the Complete HDB2 Model Number Matters\">Why the Complete HDB2 Model Number Matters<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/#DJ_PUMP_Heavy-Duty_Solid-Ball_AODD_Pump_Design\" title=\"DJ PUMP Heavy-Duty Solid-Ball AODD Pump Design\">DJ PUMP Heavy-Duty Solid-Ball AODD Pump Design<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/#HDB2DGN4SS_Compatible_Replacement\" title=\"HDB2,DGN4SS Compatible Replacement\">HDB2,DGN4SS Compatible Replacement<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/#HDB2DN4SS_Compatible_Replacement\" title=\"HDB2,DN4SS Compatible Replacement\">HDB2,DN4SS Compatible Replacement<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/#HDB2DB4SS_Compatible_Replacement\" title=\"HDB2,DB4SS Compatible Replacement\">HDB2,DB4SS Compatible Replacement<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/#What_Information_Should_You_Send_Us\" title=\"What Information Should You Send Us?\">What Information Should You Send Us?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/#Frequently_Asked_Questions\" title=\"Frequently Asked Questions\">Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/#Can_DJ_PUMP_provide_an_HDB2_compatible_replacement\" title=\"Can DJ PUMP provide an HDB2 compatible replacement?\">Can DJ PUMP provide an HDB2 compatible replacement?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/#Can_I_request_a_replacement_using_only_%E2%80%9CHDB2%E2%80%9D\" title=\"Can I request a replacement using only \u201cHDB2\u201d?\">Can I request a replacement using only \u201cHDB2\u201d?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/#Which_HDB2_references_are_currently_cross-referenced\" title=\"Which HDB2 references are currently cross-referenced?\">Which HDB2 references are currently cross-referenced?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/#Do_you_need_operating_conditions_if_I_already_have_the_model_number\" title=\"Do you need operating conditions if I already have the model number?\">Do you need operating conditions if I already have the model number?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/pumpingchem.com\/es\/hdb2-dgn4ss-dn4ss-db4ss-compatible-replacement\/#Looking_for_an_HDB2_Compatible_Replacement\" title=\"Looking for an HDB2 Compatible Replacement?\">Looking for an HDB2 Compatible Replacement?<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Selected_HDB2_Models_We_Can_Cross-Reference\"><\/span>Selected HDB2 Models We Can Cross-Reference<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Original Model Reference<\/th><th>Pump Description<\/th><th>Compatible Material Direction<\/th><\/tr><\/thead><tbody><tr><td>HDB2,DGN4SS<\/td><td>2&#8243; Stainless Steel \/ PTFE<\/td><td>SS + PTFE configuration<\/td><\/tr><tr><td>HDB2,DN4SS<\/td><td>2&#8243; Stainless Steel \/ Neoprene<\/td><td>SS + Neoprene configuration<\/td><\/tr><tr><td>HDB2,DB4SS<\/td><td>2&#8243; Stainless Steel \/ Buna-N<\/td><td>SS + Buna-N configuration<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>These model references are used for identification and compatibility cross-reference. Final configuration should be confirmed according to the original pump and actual operating conditions.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"767\" height=\"1024\" src=\"https:\/\/pumpingchem.com\/wp-content\/uploads\/2026\/09\/HDB22-767x1024.jpg\" alt=\"\" class=\"wp-image-2746\" style=\"width:362px;height:auto\" srcset=\"https:\/\/pumpingchem.com\/wp-content\/uploads\/2026\/09\/HDB22-767x1024.jpg 767w, https:\/\/pumpingchem.com\/wp-content\/uploads\/2026\/09\/HDB22-225x300.jpg 225w, https:\/\/pumpingchem.com\/wp-content\/uploads\/2026\/09\/HDB22-768x1025.jpg 768w, https:\/\/pumpingchem.com\/wp-content\/uploads\/2026\/09\/HDB22-1151x1536.jpg 1151w, https:\/\/pumpingchem.com\/wp-content\/uploads\/2026\/09\/HDB22-1534x2048.jpg 1534w, https:\/\/pumpingchem.com\/wp-content\/uploads\/2026\/09\/HDB22-300x400.jpg 300w, https:\/\/pumpingchem.com\/wp-content\/uploads\/2026\/09\/HDB22-600x801.jpg 600w, https:\/\/pumpingchem.com\/wp-content\/uploads\/2026\/09\/HDB22-scaled.jpg 1918w\" sizes=\"(max-width: 767px) 100vw, 767px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_the_Complete_HDB2_Model_Number_Matters\"><\/span>Why the Complete HDB2 Model Number Matters<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u201cHDB2\u201d identifies the general pump family, but the complete model reference provides more information for cross-referencing the correct configuration.<\/p>\n\n\n\n<p>For example, the following references should not automatically be treated as the same pump configuration:<\/p>\n\n\n\n<p>HDB2,DGN4SS<\/p>\n\n\n\n<p>HDB2,DN4SS<\/p>\n\n\n\n<p>HDB2,DB4SS<\/p>\n\n\n\n<p>When requesting a compatible replacement, we recommend providing the complete original model number rather than only \u201cHDB2.\u201d<\/p>\n\n\n\n<p>A pump nameplate photo is also helpful when available.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DJ_PUMP_Heavy-Duty_Solid-Ball_AODD_Pump_Design\"><\/span>DJ PUMP Heavy-Duty Solid-Ball AODD Pump Design<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>DJ PUMP manufactures heavy-duty solid-ball metallic air-operated double-diaphragm pumps for demanding industrial fluid-transfer applications.<\/p>\n\n\n\n<p>When cross-referencing an existing pump, the final configuration should be evaluated according to factors such as:<\/p>\n\n\n\n<ul>\n<li>Wetted material<\/li>\n\n\n\n<li>Diaphragm and check-valve material<\/li>\n\n\n\n<li>Fluid name<\/li>\n\n\n\n<li>Fluid temperature<\/li>\n\n\n\n<li>Viscosity<\/li>\n\n\n\n<li>Solids<\/li>\n\n\n\n<li>Required flow<\/li>\n\n\n\n<li>Required discharge pressure<\/li>\n\n\n\n<li>Connection requirements<\/li>\n<\/ul>\n\n\n\n<p>A compatible replacement should be selected according to both the original pump construction and the actual application.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDB2DGN4SS_Compatible_Replacement\"><\/span>HDB2,DGN4SS Compatible Replacement<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>For HDB2,DGN4SS replacement inquiries, DJ PUMP can evaluate a compatible 2-inch stainless-steel heavy-duty solid-ball AODD pump configuration using the required PTFE-related wet-end configuration.<\/p>\n\n\n\n<p>The complete original model and operating conditions should be provided for final confirmation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDB2DN4SS_Compatible_Replacement\"><\/span>HDB2,DN4SS Compatible Replacement<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>For HDB2,DN4SS replacement inquiries, DJ PUMP can evaluate a compatible 2-inch stainless-steel heavy-duty solid-ball AODD pump configuration using Neoprene-related wet-end materials.<\/p>\n\n\n\n<p>Fluid compatibility and operating conditions should be confirmed before final pump selection.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDB2DB4SS_Compatible_Replacement\"><\/span>HDB2,DB4SS Compatible Replacement<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>For HDB2,DB4SS replacement inquiries, DJ PUMP can evaluate a compatible 2-inch stainless-steel heavy-duty solid-ball AODD pump configuration using Buna-N \/ Nitrile-related wet-end materials.<\/p>\n\n\n\n<p>The original model reference and application details should be checked before confirming the final configuration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Information_Should_You_Send_Us\"><\/span>What Information Should You Send Us?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>For an HDB2 compatible replacement inquiry, please provide:<\/p>\n\n\n\n<ul>\n<li>Complete original model number<\/li>\n\n\n\n<li>Pump nameplate photo<\/li>\n\n\n\n<li>Existing pump photos<\/li>\n\n\n\n<li>Fluid name<\/li>\n\n\n\n<li>Fluid temperature<\/li>\n\n\n\n<li>Viscosity<\/li>\n\n\n\n<li>Solids information<\/li>\n\n\n\n<li>Required flow<\/li>\n\n\n\n<li>Required discharge pressure<\/li>\n\n\n\n<li>Connection requirement<\/li>\n\n\n\n<li>Required quantity<\/li>\n<\/ul>\n\n\n\n<p>If your existing model is HDB2,DGN4SS, HDB2,DN4SS or HDB2,DB4SS, you can send us the complete model reference directly for cross-reference.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_DJ_PUMP_provide_an_HDB2_compatible_replacement\"><\/span>Can DJ PUMP provide an HDB2 compatible replacement?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>DJ PUMP offers compatible replacement options for selected HDB2 stainless-steel configurations. Please provide the complete original model number for confirmation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_I_request_a_replacement_using_only_%E2%80%9CHDB2%E2%80%9D\"><\/span>Can I request a replacement using only \u201cHDB2\u201d?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>We recommend providing the complete model reference because different HDB2 configurations may use different wet-end materials.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Which_HDB2_references_are_currently_cross-referenced\"><\/span>Which HDB2 references are currently cross-referenced?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Common stainless-steel references currently cross-referenced by DJ PUMP include HDB2,DGN4SS, HDB2,DN4SS and HDB2,DB4SS.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Do_you_need_operating_conditions_if_I_already_have_the_model_number\"><\/span>Do you need operating conditions if I already have the model number?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The complete model provides the primary cross-reference, but fluid and operating information is recommended to confirm material and application suitability.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Looking_for_an_HDB2_Compatible_Replacement\"><\/span>Looking for an HDB2 Compatible Replacement?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Send us your complete HDB2 model number, pump nameplate photo and required quantity.<\/p>\n\n\n\n<p>For HDB2,DGN4SS, HDB2,DN4SS and HDB2,DB4SS inquiries, DJ PUMP can help cross-reference a suitable compatible configuration.<\/p>\n\n\n\n<p><a href=\"\/contact\/\">Contact DJ PUMP<\/a><\/p>\n\n\n\n<p>HDB2 and the referenced model numbers are used for identification and compatibility reference purposes only. DJ PUMP is an independent manufacturer and is not affiliated with the original equipment manufacturer.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DJ PUMP provides compatible replacement options for selected HDB2 stainless-steel pump configurations, including HDB2,DGN4SS, HDB2,DN4SS and HDB2,DB4SS.<\/p>\n","protected":false},"author":1,"featured_media":2746,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"es","enabled_languages":["en","de","fr","nl","hi","ja","id","it","zh","ko","pt","ar","ru","es","th","tr","vi"],"languages":{"en":{"title":true,"content":true,"excerpt":true},"de":{"title":false,"content":false,"excerpt":false},"fr":{"title":false,"content":false,"excerpt":false},"nl":{"title":false,"content":false,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false},"ja":{"title":false,"content":false,"excerpt":false},"id":{"title":false,"content":false,"excerpt":false},"it":{"title":false,"content":false,"excerpt":false},"zh":{"title":false,"content":false,"excerpt":false},"ko":{"title":false,"content":false,"excerpt":false},"pt":{"title":false,"content":false,"excerpt":false},"ar":{"title":false,"content":false,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false},"es":{"title":false,"content":false,"excerpt":false},"th":{"title":false,"content":false,"excerpt":false},"tr":{"title":false,"content":false,"excerpt":false},"vi":{"title":false,"content":false,"excerpt":false}}},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/pumpingchem.com\/es\/wp-json\/wp\/v2\/posts\/2734"}],"collection":[{"href":"https:\/\/pumpingchem.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pumpingchem.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pumpingchem.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pumpingchem.com\/es\/wp-json\/wp\/v2\/comments?post=2734"}],"version-history":[{"count":2,"href":"https:\/\/pumpingchem.com\/es\/wp-json\/wp\/v2\/posts\/2734\/revisions"}],"predecessor-version":[{"id":2747,"href":"https:\/\/pumpingchem.com\/es\/wp-json\/wp\/v2\/posts\/2734\/revisions\/2747"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pumpingchem.com\/es\/wp-json\/wp\/v2\/media\/2746"}],"wp:attachment":[{"href":"https:\/\/pumpingchem.com\/es\/wp-json\/wp\/v2\/media?parent=2734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pumpingchem.com\/es\/wp-json\/wp\/v2\/categories?post=2734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pumpingchem.com\/es\/wp-json\/wp\/v2\/tags?post=2734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}