{"id":24509,"date":"2025-11-06T09:24:52","date_gmt":"2025-11-06T09:24:52","guid":{"rendered":"https:\/\/www.superpump.co.za\/shop\/?post_type=product&#038;p=24509"},"modified":"2026-03-31T20:18:36","modified_gmt":"2026-03-31T20:18:36","slug":"sanspar-c-i-double-door-chrome-plated-doors-301c-check-valves-50mm","status":"publish","type":"product","link":"https:\/\/www.superpump.co.za\/shop\/product\/sanspar-c-i-double-door-chrome-plated-doors-301c-check-valves-50mm\/","title":{"rendered":"Sanspar C.I Double Door, Chrome Plated Doors 301C Check Valves 50mm"},"content":{"rendered":"<h4><span data-sheets-root=\"1\"><strong>C.I Double Door, Chrome Plated Doors:<\/strong> 301C<\/span><\/h4>\n<h3 data-start=\"981\" data-end=\"1019\">Key Specifications &amp; Features<\/h3>\n<p data-start=\"1020\" data-end=\"1058\">From the datasheet and web references:<\/p>\n<ul data-start=\"1060\" data-end=\"1758\">\n<li style=\"list-style-type: none;\" data-start=\"1060\" data-end=\"1163\">\n<ul>\n<li data-start=\"5129\" data-end=\"5325\">\n<p data-start=\"5131\" data-end=\"5325\">\u201cSanspar C.I Double Door, Chrome Plated Doors 301C Check Valves\u201d \u2014 likely means the product from Sanspar (they are a South African supplier of valves) <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/sanspar.co.za\/valves\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">SANSPAR<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li data-start=\"5326\" data-end=\"5367\">\n<p data-start=\"5328\" data-end=\"5367\">\u201cC.I\u201d = Cast Iron \u2192 body is cast iron<\/p>\n<\/li>\n<li data-start=\"5368\" data-end=\"5426\">\n<p data-start=\"5370\" data-end=\"5426\">\u201cDouble Door\u201d = dual plate\/dual disc check valve style<\/p>\n<\/li>\n<li data-start=\"5427\" data-end=\"5544\">\n<p data-start=\"5429\" data-end=\"5544\">\u201cChrome Plated Doors\u201d = the two plates (doors) are chrome plated (for additional corrosion\/cavitation resistance)<\/p>\n<\/li>\n<li data-start=\"5545\" data-end=\"5672\">\n<p data-start=\"5547\" data-end=\"5672\">\u201c301C\u201d = model or part code, perhaps a particular size, pressure rating or special specification within Sanspar\u2019s catalogue<\/p>\n<ul data-start=\"2509\" data-end=\"3226\">\n<li data-start=\"2509\" data-end=\"2698\">\n<p data-start=\"2511\" data-end=\"2698\"><strong data-start=\"2511\" data-end=\"2552\">Low head\u2010loss \/ minimal pressure drop<\/strong>: Because the dual plates open widely and the profile is wafer style, flow resistance tends to be lower. <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/lzdongsheng.en.made-in-china.com\/product\/uqzErbIObdYU\/China-Wafer-Double-Door-Check-Valve-Pn16.html?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">lzdongsheng.en.made-in-china.com<\/span><span class=\"-me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+1<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li data-start=\"2699\" data-end=\"2891\">\n<p data-start=\"2701\" data-end=\"2891\"><strong data-start=\"2701\" data-end=\"2738\">Quick closure to prevent backflow<\/strong>: The spring-assisted or gravity assisted plates close rapidly when flow reverses, helping reduce water hammer. <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/energyvalves.co.za\/product\/wafer-double-door-check-valves\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">Energy Valves<\/span><span class=\"-me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+1<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li data-start=\"2892\" data-end=\"3064\">\n<p data-start=\"2894\" data-end=\"3064\"><strong data-start=\"2894\" data-end=\"2925\">Space saving &amp; light weight<\/strong>: Wafer style reduces overall weight and simplifies installation compared to full flanged bodies. <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/lzdongsheng.en.made-in-china.com\/product\/uqzErbIObdYU\/China-Wafer-Double-Door-Check-Valve-Pn16.html?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">lzdongsheng.en.made-in-china.com<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li data-start=\"3065\" data-end=\"3226\">\n<p data-start=\"3067\" data-end=\"3226\"><strong data-start=\"3067\" data-end=\"3093\">Versatile installation<\/strong>: Many models allow horizontal or vertical installation (flow upwards) depending on design<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<div class=\"elementor-element elementor-element-7bccbd7 animated-slow elementor-widget elementor-widget-heading animated fadeInUp\" data-id=\"7bccbd7\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"heading.default\">\n<div class=\"elementor-element elementor-element-79750cd animated-slow elementor-widget elementor-widget-heading animated fadeInUp\" data-id=\"79750cd\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"heading.default\">\n<h2 class=\"elementor-heading-title elementor-size-default\">Ball Check Valves<\/h2>\n<\/div>\n<div class=\"elementor-element elementor-element-8ce4d89 animated-slow elementor-hidden-mobile elementor-widget elementor-widget-text-editor animated fadeInUp\" data-id=\"8ce4d89\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:400}\" data-widget_type=\"text-editor.default\">\n<p>Uni-Flo Ball Check valves prevent fluid returning through the pipe by displacing the ball on return flow. The valve is silent closing, full bore and has unrestricted flow with 50% lower head loss than conventional valves. The valve can be installed horizontally or vertical.<\/p>\n<\/div>\n<\/div>\n","protected":false},"featured_media":15801,"template":"","meta":[],"product_brand":[],"product_cat":[1282],"product_tag":[2112,803,1027,1004,2105,753,1029,805,997],"class_list":{"0":"post-24509","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-check-valve-steel","7":"product_tag-301c","8":"product_tag-brass","9":"product_tag-check-valve","10":"product_tag-gate-valve","11":"product_tag-pn16","12":"product_tag-socket","13":"product_tag-swing-type","14":"product_tag-valve","15":"product_tag-wedge","17":"first","18":"instock","19":"sale","20":"taxable","21":"shipping-taxable","22":"purchasable","23":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sanspar C.I Double Door, Chrome Plated Doors 301C Check Valves 50mm | SuperPump Shop<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.superpump.co.za\/shop\/product\/sanspar-c-i-double-door-chrome-plated-doors-301c-check-valves-50mm\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sanspar C.I Double Door, Chrome Plated Doors 301C Check Valves 50mm | SuperPump Shop\" \/>\n<meta property=\"og:description\" content=\"Ball Check Valves    Uni-Flo Ball Check valves prevent fluid returning through the pipe by displacing the ball on return flow. The valve is silent closing, full bore and has unrestricted flow with 50% lower head loss than conventional valves. The valve can be installed horizontally or vertical.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.superpump.co.za\/shop\/product\/sanspar-c-i-double-door-chrome-plated-doors-301c-check-valves-50mm\/\" \/>\n<meta property=\"og:site_name\" content=\"SuperPump Shop\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/superpumpwaterpumps\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-31T20:18:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.superpump.co.za\/shop\/wp-content\/uploads\/katleho_double_door_check_valve600x600.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/product\\\/sanspar-c-i-double-door-chrome-plated-doors-301c-check-valves-50mm\\\/\",\"url\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/product\\\/sanspar-c-i-double-door-chrome-plated-doors-301c-check-valves-50mm\\\/\",\"name\":\"Sanspar C.I Double Door, Chrome Plated Doors 301C Check Valves 50mm | SuperPump Shop\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/product\\\/sanspar-c-i-double-door-chrome-plated-doors-301c-check-valves-50mm\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/product\\\/sanspar-c-i-double-door-chrome-plated-doors-301c-check-valves-50mm\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/wp-content\\\/uploads\\\/katleho_double_door_check_valve600x600.jpg\",\"datePublished\":\"2025-11-06T09:24:52+00:00\",\"dateModified\":\"2026-03-31T20:18:36+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/product\\\/sanspar-c-i-double-door-chrome-plated-doors-301c-check-valves-50mm\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/product\\\/sanspar-c-i-double-door-chrome-plated-doors-301c-check-valves-50mm\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/product\\\/sanspar-c-i-double-door-chrome-plated-doors-301c-check-valves-50mm\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/wp-content\\\/uploads\\\/katleho_double_door_check_valve600x600.jpg\",\"contentUrl\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/wp-content\\\/uploads\\\/katleho_double_door_check_valve600x600.jpg\",\"width\":600,\"height\":600},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/product\\\/sanspar-c-i-double-door-chrome-plated-doors-301c-check-valves-50mm\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop online with SuperPump\",\"item\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Sanspar C.I Double Door, Chrome Plated Doors 301C Check Valves 50mm\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/#website\",\"url\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/\",\"name\":\"SuperPump Shop\",\"description\":\"Africa&#039;s Premier Pump Company\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.superpump.co.za\\\/shop\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Sanspar C.I Double Door, Chrome Plated Doors 301C Check Valves 50mm | SuperPump Shop","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.superpump.co.za\/shop\/product\/sanspar-c-i-double-door-chrome-plated-doors-301c-check-valves-50mm\/","og_locale":"en_US","og_type":"article","og_title":"Sanspar C.I Double Door, Chrome Plated Doors 301C Check Valves 50mm | SuperPump Shop","og_description":"Ball Check Valves    Uni-Flo Ball Check valves prevent fluid returning through the pipe by displacing the ball on return flow. 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