{"id":3859,"date":"2025-10-17T09:30:16","date_gmt":"2025-10-17T01:30:16","guid":{"rendered":"https:\/\/ballvalves.tw\/?post_type=product&#038;p=3859"},"modified":"2025-12-11T13:28:54","modified_gmt":"2025-12-11T05:28:54","slug":"graduated-handle","status":"publish","type":"product","link":"https:\/\/ballvalves.tw\/zh\/product\/graduated-handle\/","title":{"rendered":"\u523b\u5ea6\u624b\u67c4"},"content":{"rendered":"<h2 data-path-to-node=\"19\">\u7522\u54c1\u8aaa\u660e<\/h2>\n<p data-path-to-node=\"20\">Standard ball valves are designed for &#8220;all or nothing&#8221; flow. However, with this <b>304 \u4e0d\u92b9\u92fc<\/b> accessory, you can manually throttle the flow. The handle features a spring-loaded locking pin that engages with holes or notches on the graduated plate. This ensures that once you set the flow to &#8220;50%&#8221; or &#8220;30 degrees,&#8221; vibration from the pipeline won&#8217;t shift the valve position.<\/p>\n<h2 data-path-to-node=\"21\">\u4e3b\u8981\u6280\u8853\u898f\u683c<\/h2>\n<ul data-path-to-node=\"22\">\n<li>\n<p data-path-to-node=\"22,0,0\"><b>\u6750\u8cea\uff1a<\/b> ASTM 304 \u4e0d\u92b9\u92fc<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,1,0\"><b>Scale:<\/b> 0 to 90 degrees (often in 10-degree increments)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,2,0\"><b>Mechanism:<\/b> Spring-loaded locking pin<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,3,0\"><b>\u76f8\u5bb9\u6027\uff1a<\/b> Fits most standard manual ball valves<\/p>\n<\/li>\n<\/ul>\n<h2 data-path-to-node=\"23\">\u512a\u52e2\u8207\u597d\u8655<\/h2>\n<ul data-path-to-node=\"24\">\n<li>\n<p data-path-to-node=\"24,0,0\"><b>Flow Regulation:<\/b> Allows for manual balancing of flow rates in a system.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"24,1,0\"><b>Repeatability:<\/b> Operators can easily return the valve to a specific, known setting (e.g., &#8220;Set to notch 3&#8221;).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"24,2,0\"><b>Stability:<\/b> The locking mechanism prevents the flow pressure from pushing the valve open or closed.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"24,3,0\"><b>\u6210\u672c\u6548\u76ca\u9ad8\uff1a<\/b> A much cheaper alternative to automated control valves for simple throttling needs.<\/p>\n<\/li>\n<\/ul>\n<h2 data-path-to-node=\"25\">\u61c9\u7528\u9818\u57df\u8207\u4f4d\u7f6e<\/h2>\n<ul data-path-to-node=\"26\">\n<li>\n<p data-path-to-node=\"26,0,0\"><b>HVAC Balancing:<\/b> Regulating hot\/cold water flow to coils.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"26,1,0\"><b>Mixing Lines:<\/b> Manually setting the ratio of two mixing fluids.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"26,2,0\"><b>Process Control:<\/b> Setting a constant flow rate for filling or cooling.<\/p>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p data-path-to-node=\"17\"><b>Turn Your Ball Valve into a Control Valve.<\/b><\/p>\n<p data-path-to-node=\"18\">\u7684 <b>\u523b\u5ea6\u624b\u67c4<\/b> (or Flow Control Handle) is a specialized accessory that transforms a standard on\/off ball valve into a flow-regulating device. Featuring a scale plate with marked increments (0\u00b0 to 90\u00b0) and a locking mechanism, it allows the operator to set the valve at specific opening angles to achieve a desired flow rate.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[69],"product_tag":[],"class_list":{"0":"post-3859","1":"product","2":"type-product","3":"status-publish","5":"product_cat-accessories","6":"desktop-align-left","7":"tablet-align-left","8":"mobile-align-left","10":"first","11":"instock","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/ballvalves.tw\/zh\/wp-json\/wp\/v2\/product\/3859","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ballvalves.tw\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ballvalves.tw\/zh\/wp-json\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/ballvalves.tw\/zh\/wp-json\/wp\/v2\/media?parent=3859"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ballvalves.tw\/zh\/wp-json\/wp\/v2\/product_brand?post=3859"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ballvalves.tw\/zh\/wp-json\/wp\/v2\/product_cat?post=3859"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ballvalves.tw\/zh\/wp-json\/wp\/v2\/product_tag?post=3859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}