{"id":589,"date":"2021-04-13T14:09:32","date_gmt":"2021-04-13T06:09:32","guid":{"rendered":"http:\/\/8.140.161.178\/en\/?p=589"},"modified":"2025-03-21T16:32:58","modified_gmt":"2025-03-21T08:32:58","slug":"lw446-mud-pump-2","status":"publish","type":"post","link":"https:\/\/www.laproducts.cn\/en\/?p=589","title":{"rendered":"LW446 MUD PUMP"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"375\" src=\"http:\/\/8.140.161.178\/en\/wp-content\/uploads\/2021\/04\/5f5872b743975-1.jpg\" alt=\"\" class=\"wp-image-442\" srcset=\"https:\/\/www.laproducts.cn\/en\/wp-content\/uploads\/2021\/04\/5f5872b743975-1.jpg 500w, https:\/\/www.laproducts.cn\/en\/wp-content\/uploads\/2021\/04\/5f5872b743975-1-300x225.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>LW446 mud pump<\/strong> is a horizontal, three-cylinder, reciprocating, single-acting piston pump designed for heavy-duty applications in oilfield operations, foundation treatment, and other high-pressure tasks. Below is a detailed summary of its features, technical specifications, and performance parameters:<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Key Features of LW446 Mud Pump<\/strong><\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Design<\/strong>: Horizontal, three-cylinder, reciprocating, single-acting piston pump.<\/li>\n\n\n\n<li><strong>Power End<\/strong>: Integrated rolling bearing type transmission, offering high power, low noise, and environmental protection.<\/li>\n\n\n\n<li><strong>Seal Life<\/strong>: Enhanced seal life by 60%.<\/li>\n\n\n\n<li><strong>Durability<\/strong>: Capable of continuous 24-hour operation at low temperatures.<\/li>\n\n\n\n<li><strong>Maintenance<\/strong>: Easy to maintain with a compact structure and lightweight design.<\/li>\n\n\n\n<li><strong>Applications<\/strong>: Suitable for high-pressure rotary jet grouting, curtain grouting, soil retaining cofferdams, mine well plugging, slope anchorage, and more.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>I. Technical Specifications<\/strong><\/h5>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Rated Input Power<\/td><td>328 KW (440 HP)<\/td><\/tr><tr><td>Rated Stroke<\/td><td>300 SPM (LW446)<\/td><\/tr><tr><td>Stroke Length<\/td><td>152.4 mm (6\u2033)<\/td><\/tr><tr><td>Gear Ratio<\/td><td>4.578 : 1<\/td><\/tr><tr><td>Max. Operation Pressure<\/td><td>35 MPa (LW446)<\/td><\/tr><tr><td>Valve Chamber Valve-Over<\/td><td>API 4#<\/td><\/tr><tr><td>Max. Liner Diameter<\/td><td>6\u2033 (LW446)<\/td><\/tr><tr><td>Max. Liner Mud Pressure<\/td><td>16.9 MPa (at 160 SPM)<\/td><\/tr><tr><td>Suction Manifold Diameter<\/td><td>6\u2033 (150 # Flange)<\/td><\/tr><tr><td>Discharge Manifold Diameter<\/td><td>3\u2033 (900 # Flange)<\/td><\/tr><tr><td>Pinion Shaft Diameter<\/td><td>95.25 mm (3.75\u2033)<\/td><\/tr><tr><td>Pinion Key Dimensions<\/td><td>22.174 \u00d7 15.9 mm<\/td><\/tr><tr><td>Dimensions (Excluding Base)<\/td><td>2479 \u00d7 1219 \u00d7 1103 mm<\/td><\/tr><tr><td>Weight<\/td><td>4463 Kg<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>II. Structural Characteristics<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Compact Design<\/strong>: Small volume, lightweight, and easy to transport.<\/li>\n\n\n\n<li><strong>Gear Pair<\/strong>: Integrated herringbone gear pair for large transmit torque and smooth operation.<\/li>\n\n\n\n<li><strong>Crankshaft<\/strong>: Welded forged crankshaft for reduced vibration and lightweight performance.<\/li>\n\n\n\n<li><strong>Versatility<\/strong>: Suitable for both workover operations and high-pressure drilling operations.<\/li>\n\n\n\n<li><strong>Piston Structure<\/strong>: liner sizes from 3\u00bc&#8221; to 6&#8243;.<\/li>\n\n\n\n<li><strong>Plunger Structure<\/strong>:  liner sizes from 2&#8243; to 3\u00bc&#8221; for high-pressure tasks.<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>III. Performance Parameters<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\"><\/ul>\n\n\n\n<!DOCTYPE html>\n<html lang=\"zh-CN\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>LW-446 \u6cf5\u53c2\u6570<\/title>\n    <style>\n        body {\n            font-family: Arial, sans-serif;\n            margin: 20px;\n        }\n        table {\n            width: 100%;\n            border-collapse: collapse;\n            margin-bottom: 20px;\n        }\n        th, td {\n            border: 1px solid #ddd;\n            padding: 8px;\n            text-align: center;\n        }\n        th {\n            background-color: #f2f2f2;\n            font-weight: bold;\n        }\n        tr:nth-child(even) {\n            background-color: #f9f9f9;\n        }\n        tr:hover {\n            background-color: #f1f1f1;\n        }\n        .header {\n            font-size: 1.2em;\n            font-weight: bold;\n            background-color: #e0e0e0;\n        }\n    <\/style>\n<\/head>\n<body>\n\n<table>\n    <colgroup>\n        <col style=\"width: 4%\">\n        <col style=\"width: 3%\">\n        <col style=\"width: 4%\">\n        <col style=\"width: 7%\">\n        <col style=\"width: 6%\">\n        <col style=\"width: 6%\">\n        <col style=\"width: 5%\">\n        <col style=\"width: 6%\">\n        <col style=\"width: 5%\">\n        <col style=\"width: 6%\">\n        <col style=\"width: 5%\">\n        <col style=\"width: 6%\">\n        <col style=\"width: 5%\">\n        <col style=\"width: 6%\">\n        <col style=\"width: 5%\">\n        <col style=\"width: 6%\">\n        <col style=\"width: 5%\">\n    <\/colgroup>\n    <thead>\n        <tr>\n            <th colspan=\"3\" rowspan=\"2\" class=\"header\">LW-446 Parameter<\/th>\n            <th colspan=\"2\" class=\"header\">Stroke\/Min.<\/th>\n            <th colspan=\"2\" class=\"header\">300<\/th>\n            <th colspan=\"2\" class=\"header\">250<\/th>\n            <th colspan=\"2\" class=\"header\">200<\/th>\n            <th colspan=\"2\" class=\"header\">150<\/th>\n            <th colspan=\"2\" class=\"header\">100<\/th>\n            <th colspan=\"2\" class=\"header\">50<\/th>\n        <\/tr>\n        <tr>\n            <th colspan=\"2\" class=\"header\">Rated Input (HP)<\/th>\n            <th colspan=\"2\">440<br>(328)<\/th>\n            <th colspan=\"2\">367<br>(273)<\/th>\n            <th colspan=\"2\">293<br>(219)<\/th>\n            <th colspan=\"2\">220<br>(164)<\/th>\n            <th colspan=\"2\">147<br>(109)<\/th>\n            <th colspan=\"2\">73<br>(55)<\/th>\n        <\/tr>\n    <\/thead>\n    <tbody>\n        <tr>\n            <td rowspan=\"2\">Liner Dia.<br>\uff08in\uff09<\/td>\n            <td colspan=\"2\">Pressure<\/td>\n            <td rowspan=\"2\">Gallon\/Turn<\/td>\n            <td rowspan=\"2\">Liter\/Turn<\/td>\n            <td rowspan=\"2\">Gallon\/min<\/td>\n            <td rowspan=\"2\">Liter\/min<\/td>\n            <td rowspan=\"2\">Gallon\/min<\/td>\n            <td rowspan=\"2\">Liter\/min<\/td>\n            <td rowspan=\"2\">>Gallon\/min<\/td>\n            <td rowspan=\"2\">Liter\/min<\/td>\n            <td rowspan=\"2\">Gallon\/min<\/td>\n            <td rowspan=\"2\">Liter\/min<\/td>\n            <td rowspan=\"2\">>Gallon\/min<\/td>\n            <td rowspan=\"2\">Liter\/min<\/td>\n            <td rowspan=\"2\">Gallon\/min<\/td>\n            <td rowspan=\"2\">Liter\/min<\/td>\n        <\/tr>\n        <tr>\n            <td>PSI<\/td>\n            <td>Kg\/cm<sup>2<\/sup><\/td>\n        <\/tr>\n        <tr>\n            <td>6\u201d<\/td>\n            <td>1027<\/td>\n            <td>72.2<\/td>\n            <td>2.203<\/td>\n            <td>8.339<\/td>\n            <td>661<\/td>\n            <td>2502<\/td>\n            <td>551<\/td>\n            <td>2085<\/td>\n            <td>441<\/td>\n            <td>1668<\/td>\n            <td>330<\/td>\n            <td>1251<\/td>\n            <td>220<\/td>\n            <td>834<\/td>\n            <td>110<\/td>\n            <td>417<\/td>\n        <\/tr>\n        <tr>\n            <td>5-1\/2\u201d<\/td>\n            <td>1222<\/td>\n            <td>85.9<\/td>\n            <td>1.851<\/td>\n            <td>7.007<\/td>\n            <td>555<\/td>\n            <td>2102<\/td>\n            <td>463<\/td>\n            <td>1752<\/td>\n            <td>370<\/td>\n            <td>1402<\/td>\n            <td>278<\/td>\n            <td>1051<\/td>\n            <td>185<\/td>\n            <td>701<\/td>\n            <td>93<\/td>\n            <td>350<\/td>\n        <\/tr>\n        <tr>\n            <td>5\u201d<\/td>\n            <td>1479<\/td>\n            <td>104.0<\/td>\n            <td>1.53<\/td>\n            <td>5.791<\/td>\n            <td>459<\/td>\n            <td>1737<\/td>\n            <td>382<\/td>\n            <td>1448<\/td>\n            <td>306<\/td>\n            <td>1158<\/td>\n            <td>229<\/td>\n            <td>869<\/td>\n            <td>153<\/td>\n            <td>579<\/td>\n            <td>76<\/td>\n            <td>290<\/td>\n        <\/tr>\n        <tr>\n            <td>4-1\/2\u201d<\/td>\n            <td>1826<\/td>\n            <td>128.4<\/td>\n            <td>1.239<\/td>\n            <td>4.691<\/td>\n            <td>372<\/td>\n            <td>1407<\/td>\n            <td>310<\/td>\n            <td>1173<\/td>\n            <td>248<\/td>\n            <td>938<\/td>\n            <td>186<\/td>\n            <td>704<\/td>\n            <td>124<\/td>\n            <td>469<\/td>\n            <td>62<\/td>\n            <td>235<\/td>\n        <\/tr>\n        <tr>\n            <td>4\u201d<\/td>\n            <td>2311<\/td>\n            <td>162.4<\/td>\n            <td>0.979<\/td>\n            <td>3.706<\/td>\n            <td>294<\/td>\n            <td>1112<\/td>\n            <td>245<\/td>\n            <td>927<\/td>\n            <td>196<\/td>\n            <td>741<\/td>\n            <td>147<\/td>\n            <td>556<\/td>\n            <td>98<\/td>\n            <td>371<\/td>\n            <td>49<\/td>\n            <td>185<\/td>\n        <\/tr>\n        <tr>\n            <td>3-1\/2\u201d<\/td>\n            <td>3000<\/td>\n            <td>210.9<\/td>\n            <td>0.750<\/td>\n            <td>2.838<\/td>\n            <td>225<\/td>\n            <td>851<\/td>\n            <td>187<\/td>\n            <td>709<\/td>\n            <td>150<\/td>\n            <td>568<\/td>\n            <td>112<\/td>\n            <td>426<\/td>\n            <td>75<\/td>\n            <td>284<\/td>\n            <td>37<\/td>\n            <td>142<\/td>\n        <\/tr>\n    <\/tbody>\n<\/table>\n\n<\/body>\n<\/html>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>The LW446 mud pump is a horizontal, three-cylinder [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":442,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[60,70,3],"tags":[],"class_list":["post-589","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-drilling-pump","category-lw-mud-pump","category-products"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LW446 MUD PUMP - DEZHOU L&amp;A PETROLEUM MACHINERY CO.,LTD<\/title>\n<meta name=\"description\" content=\"LW446 Mud Pump Single-acting Triplex Pump can be used widely in oilfield operation. Liner size from 3-1\/4&quot;--6&quot; is better-adopted piston structure for workover operation and low well drilling operation while plunger structure for liner size from 2-31\/4&quot; for high- pressure operation.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/laproducts.cn\/en\/?p=589\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LW446 MUD PUMP - DEZHOU L&amp;A PETROLEUM MACHINERY CO.,LTD\" \/>\n<meta property=\"og:description\" content=\"LW446 Mud Pump Single-acting Triplex Pump can be used widely in oilfield operation. Liner size from 3-1\/4&quot;--6&quot; is better-adopted piston structure for workover operation and low well drilling operation while plunger structure for liner size from 2-31\/4&quot; for high- pressure operation.\" \/>\n<meta property=\"og:url\" content=\"http:\/\/laproducts.cn\/en\/?p=589\" \/>\n<meta property=\"og:site_name\" content=\"DEZHOU L&amp;A PETROLEUM MACHINERY CO.,LTD\" \/>\n<meta property=\"article:published_time\" content=\"2021-04-13T06:09:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-21T08:32:58+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/laproducts.cn\/en\/wp-content\/uploads\/2021\/04\/5f5872b743975-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"375\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\/\/laproducts.cn\/en\/?p=589#article\",\"isPartOf\":{\"@id\":\"http:\/\/laproducts.cn\/en\/?p=589\"},\"author\":{\"name\":\"admin\",\"@id\":\"http:\/\/laproducts.cn\/en\/#\/schema\/person\/9a7d286dd7479db47ebbe29a965726a2\"},\"headline\":\"LW446 MUD PUMP\",\"datePublished\":\"2021-04-13T06:09:32+00:00\",\"dateModified\":\"2025-03-21T08:32:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\/\/laproducts.cn\/en\/?p=589\"},\"wordCount\":282,\"publisher\":{\"@id\":\"http:\/\/laproducts.cn\/en\/#organization\"},\"image\":{\"@id\":\"http:\/\/laproducts.cn\/en\/?p=589#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.laproducts.cn\/en\/wp-content\/uploads\/2021\/04\/5f5872b743975-1.jpg\",\"articleSection\":[\"Drilling PUMP\",\"LW MUD PUMP\",\"PRODUCTS\"],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/laproducts.cn\/en\/?p=589\",\"url\":\"http:\/\/laproducts.cn\/en\/?p=589\",\"name\":\"LW446 MUD PUMP - DEZHOU L&amp;A PETROLEUM MACHINERY CO.,LTD\",\"isPartOf\":{\"@id\":\"http:\/\/laproducts.cn\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"http:\/\/laproducts.cn\/en\/?p=589#primaryimage\"},\"image\":{\"@id\":\"http:\/\/laproducts.cn\/en\/?p=589#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.laproducts.cn\/en\/wp-content\/uploads\/2021\/04\/5f5872b743975-1.jpg\",\"datePublished\":\"2021-04-13T06:09:32+00:00\",\"dateModified\":\"2025-03-21T08:32:58+00:00\",\"description\":\"LW446 Mud Pump Single-acting Triplex Pump can be used widely in oilfield operation. 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