{"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":"2026-09-15T16:31:09","modified_gmt":"2026-09-15T08:31:09","slug":"%d9%85%d9%82%d8%a8%d8%b6-%d9%85%d8%aa%d8%af%d8%b1%d8%ac","status":"publish","type":"product","link":"https:\/\/ballvalves.tw\/ar\/product\/graduated-handle\/","title":{"rendered":"Memory Stop Ball Valve \u2014 304 Stainless, Graduated 0\u201390\u00b0 Handle"},"content":{"rendered":"<h2>\u0648\u0635\u0641 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n<p>A <strong>memory stop ball valve<\/strong> gives you the shut-off of a standard ball valve plus a setting you can come back to. A scale plate marked from 0\u00b0 to 90\u00b0 in 10\u00b0 increments sits under the handle, and a locking pin secures the lever at the notch you choose \u2014 30\u00b0, 50\u00b0, or any other step, so the valve reopens to the same flow every time.<\/p>\n<p>For simple throttling jobs, this is a far cheaper route than an automated control valve \u2014 one 304 stainless steel accessory instead of an actuator, positioner, and wiring.<\/p>\n<h2>How the Locking Pin Works<\/h2>\n<ul>\n<li><strong>Set:<\/strong> turn the handle to the angle you need and secure the locking pin in the matching notch on the graduated plate.<\/li>\n<li><strong>Hold:<\/strong> with the pin engaged, the handle resists pipeline vibration and flow-induced movement in normal service \u2014 changing the position takes a deliberate release of the pin.<\/li>\n<li><strong>Repeat:<\/strong> operators can note a setting (\u201cnotch 3\u201d) and return the valve to exactly the same flow after maintenance or flushing.<\/li>\n<\/ul>\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<table style=\"width: 100%;border-collapse: collapse\">\n<tbody>\n<tr>\n<th style=\"border: 1px solid #ddd;padding: 8px;text-align: left;width: 38%\">\u0627\u0644\u0645\u0648\u0627\u062f<\/th>\n<td style=\"border: 1px solid #ddd;padding: 8px\">\u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 ASTM 304<\/td>\n<\/tr>\n<tr>\n<th style=\"border: 1px solid #ddd;padding: 8px;text-align: left\">Scale<\/th>\n<td style=\"border: 1px solid #ddd;padding: 8px\">0\u00b0 \u2013 90\u00b0, in 10\u00b0 increments<\/td>\n<\/tr>\n<tr>\n<th style=\"border: 1px solid #ddd;padding: 8px;text-align: left\">Mechanism<\/th>\n<td style=\"border: 1px solid #ddd;padding: 8px\">Locking pin on a graduated plate<\/td>\n<\/tr>\n<tr>\n<th style=\"border: 1px solid #ddd;padding: 8px;text-align: left\">\u0645\u0646\u0627\u0633\u0628 \u0644\u0640<\/th>\n<td style=\"border: 1px solid #ddd;padding: 8px\">\u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0643\u0631\u0648\u064a\u0629 \u0627\u0644\u062a\u064a \u0646\u0642\u062f\u0645\u0647\u0627 \u2014 \u064a\u0631\u062c\u0649 \u0625\u0639\u0644\u0627\u0645\u0646\u0627 \u0628\u0637\u0631\u0627\u0632 \u0627\u0644\u0635\u0645\u0627\u0645 \u0639\u0646\u062f \u0627\u0644\u0637\u0644\u0628<\/td>\n<\/tr>\n<tr>\n<th style=\"border: 1px solid #ddd;padding: 8px;text-align: left\">\u0648\u062d\u062f\u0629 \u0627\u0644\u062a\u062e\u0632\u064a\u0646<\/th>\n<td style=\"border: 1px solid #ddd;padding: 8px\">HG-304<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Ball Valve + Graduated Handle vs. Control Valve<\/h2>\n<p>This handle suits <strong>manual balancing<\/strong>: jobs where someone sets a flow rate once and the system holds it. If your process needs continuous automatic adjustment, that is control-valve territory \u2014 but for filling, cooling, or mixing lines that just need a repeatable setting, the graduated handle does the job at a fraction of the cost.<\/p>\n<h2>\u0623\u064a\u0646 \u064a\u064f\u0633\u062a\u062e\u062f\u0645<\/h2>\n<ul>\n<li><strong>HVAC balancing<\/strong> \u2014 regulating hot and cold water flow to coils.<\/li>\n<li><strong>Mixing lines<\/strong> \u2014 manually setting the ratio between two fluids.<\/li>\n<li><strong>Process control<\/strong> \u2014 holding a constant flow rate for filling or cooling.<\/li>\n<\/ul>\n<h2>\u0645\u0627 \u0647\u0648 \u0627\u0644\u0645\u0642\u0628\u0636 \u0627\u0644\u0630\u064a \u062a\u062d\u062a\u0627\u062c\u0647\u061f<\/h2>\n<table style=\"width: 100%;border-collapse: collapse\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd;padding: 8px;text-align: left\">\u0627\u0644\u0645\u0642\u0628\u0636<\/th>\n<th style=\"border: 1px solid #ddd;padding: 8px;text-align: left\">\u0627\u062e\u062a\u0631\u0647 \u0639\u0646\u062f\u0645\u0627<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd;padding: 8px\"><strong>Graduated handle (this page)<\/strong><\/td>\n<td style=\"border: 1px solid #ddd;padding: 8px\">\u064a\u062c\u0628 \u0639\u0644\u064a\u0643 \u062e\u0641\u0636 \u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0648\u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0635\u0645\u0627\u0645 \u0641\u064a \u0645\u0648\u0636\u0639 \u064a\u0645\u0643\u0646 \u062a\u0643\u0631\u0627\u0631\u0647.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd;padding: 8px\"><a href=\"https:\/\/ballvalves.tw\/ar\/%d8%a7%d9%84%d9%85%d9%86%d8%aa%d8%ac\/%d9%85%d9%82%d8%a8%d8%b6-%d9%82%d8%a7%d8%a8%d9%84-%d9%84%d9%84%d9%82%d9%81%d9%84\/\">\u0645\u0642\u0628\u0636 \u0642\u0627\u0628\u0644 \u0644\u0644\u0642\u0641\u0644<\/a><\/td>\n<td style=\"border: 1px solid #ddd;padding: 8px\">\u064a\u062c\u0628 \u0642\u0641\u0644 \u0627\u0644\u0635\u0645\u0627\u0645 \u0628\u0642\u0641\u0644 \u0645\u0639\u0644\u0642 \u0641\u064a \u0625\u0637\u0627\u0631 \u0625\u062c\u0631\u0627\u0621\u0627\u062a \u00ab\u0627\u0644\u0642\u0641\u0644\/\u0648\u0636\u0639 \u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a\u00bb.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd;padding: 8px\"><a href=\"https:\/\/ballvalves.tw\/ar\/%d8%a7%d9%84%d9%85%d9%86%d8%aa%d8%ac\/%d9%85%d9%82%d8%a8%d8%b6-%d8%a8%d9%8a%d8%b6%d8%a7%d9%88%d9%8a-%d9%85%d8%b7%d9%84%d9%8a-%d8%a8%d8%a7%d9%84%d9%81%d9%8a%d9%86%d9%8a%d9%84-%d9%84%d9%84%d8%b5%d9%85%d8%a7%d9%85%d8%a7%d8%aa-%d8%a7%d9%84\/\">\u0645\u0642\u0628\u0636 \u0628\u064a\u0636\u0627\u0648\u064a \u0627\u0644\u0634\u0643\u0644<\/a><\/td>\n<td style=\"border: 1px solid #ddd;padding: 8px\">You want a comfortable, glove-friendly grip for frequent operation, or a replacement handle.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd;padding: 8px\"><a href=\"https:\/\/ballvalves.tw\/ar\/%d8%a7%d9%84%d9%85%d9%86%d8%aa%d8%ac\/%d9%85%d9%82%d8%a8%d8%b6-%d8%b7%d9%88%d9%8a%d9%84\/\">Extended handle<\/a><\/td>\n<td style=\"border: 1px solid #ddd;padding: 8px\">The valve sits on insulated pipe and the grip has to clear the insulation.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd;padding: 8px\"><a href=\"https:\/\/ballvalves.tw\/ar\/%d8%a7%d9%84%d9%85%d9%86%d8%aa%d8%ac\/%d9%85%d9%82%d8%a8%d8%b6-%d9%81%d8%b1%d8%a7%d8%b4%d8%a9\/\">\u0645\u0642\u0628\u0636 \u0639\u0644\u0649 \u0634\u0643\u0644 \u0641\u0631\u0627\u0634\u0629<\/a><\/td>\n<td style=\"border: 1px solid #ddd;padding: 8px\">\u0623\u0646\u062a \u062a\u0641\u0636\u0644 \u0645\u0642\u0628\u0636\u064b\u0627 \u0635\u063a\u064a\u0631 \u0627\u0644\u062d\u062c\u0645 \u0645\u0635\u0646\u0648\u0639\u064b\u0627 \u0645\u0646 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 \u0639\u0644\u0649 \u0634\u0643\u0644 \u062d\u0631\u0641 T.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n<h3>\u0647\u0644 \u064a\u0645\u0643\u0646 \u062d\u0642\u064b\u0651\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0648\u064a \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u062f\u0641\u0642\u061f<\/h3>\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u064a\u062f\u0648\u064a \u0627\u0644\u0628\u0633\u064a\u0637 \u0641\u064a \u0627\u0644\u062a\u062f\u0641\u0642\u060c \u0646\u0639\u0645. \u062a\u062a\u064a\u062d \u0644\u0643 \u0627\u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0645\u062a\u062f\u0631\u062c\u0629 \u0636\u0628\u0637 \u0641\u062a\u062d\u0629 \u062c\u0632\u0626\u064a\u0629 \u0648\u062a\u062b\u0628\u064a\u062a\u0647\u0627 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0633\u0645\u0627\u0631 \u0627\u0644\u0642\u0641\u0644. \u0623\u0645\u0627 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u062a\u0639\u062f\u064a\u0644\u0627\u064b \u0645\u0633\u062a\u0645\u0631\u0627\u064b \u0648\u062a\u0644\u0642\u0627\u0626\u064a\u0627\u064b\u060c \u0641\u064a\u064f\u0648\u0635\u0649 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0635\u0645\u0627\u0645 \u062a\u062d\u0643\u0645 \u0645\u062e\u0635\u0635 \u2014 \u0648\u064a\u064f\u0639\u062f \u0647\u0630\u0627 \u0627\u0644\u0645\u0642\u0628\u0636 \u0627\u0644\u062d\u0644 \u0627\u0644\u0627\u0642\u062a\u0635\u0627\u062f\u064a \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u00ab\u0627\u0644\u0636\u0628\u0637 \u0648\u0627\u0644\u062b\u0628\u0627\u062a\u00bb.<\/p>\n<h3>\u0645\u0627 \u0647\u064a \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u061f<\/h3>\n<p>The plate is marked from 0\u00b0 to 90\u00b0 in 10\u00b0 increments, so the valve locks at any of the ten positions.<\/p>\n<h3>\u0645\u0627 \u0647\u064a \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639\u0647\u0627\u061f<\/h3>\n<p>Our own ball valve series. The handle is made to match our valve stems, so we do not guarantee fit on other brands\u2019 valves \u2014 include your valve model when ordering.<\/p>\n<h3>\u0647\u0644 \u0647\u0630\u0627 \u0645\u0645\u0627\u062b\u0644 \u0644\u0640\u00ab\u062a\u0648\u0642\u0641 \u0627\u0644\u0630\u0627\u0643\u0631\u0629\u00bb\u061f<\/h3>\n<p>Yes \u2014 this is a memory stop, with more than one position. A conventional memory stop limits the handle to a single preset opening; the graduated plate locks the lever at any 10\u00b0 step from 0\u00b0 to 90\u00b0, so you can record a setting and return to it whenever you want.<\/p>\n<h3>\u0647\u0644 \u0633\u064a\u0624\u062f\u064a \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0625\u0644\u0649 \u062a\u063a\u064a\u064a\u0631 \u0645\u0648\u0636\u0639 \u0627\u0644\u0635\u0645\u0627\u0645\u061f<\/h3>\n<p>\u064a\u0639\u0645\u0644 \u0645\u0633\u0645\u0627\u0631 \u0627\u0644\u062a\u062b\u0628\u064a\u062a \u0639\u0644\u0649 \u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0645\u0642\u0628\u0636 \u0641\u064a \u0627\u0644\u0634\u0642 \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0628\u0627\u0644\u0644\u0648\u062d\u0629\u060c \u0628\u062d\u064a\u062b \u064a\u062a\u062d\u0645\u0644 \u0647\u0630\u0627 \u0627\u0644\u062a\u062b\u0628\u064a\u062a \u0627\u0647\u062a\u0632\u0627\u0632\u0627\u062a \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0648\u0636\u063a\u0637 \u0627\u0644\u062a\u062f\u0641\u0642 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0639\u0627\u062f\u064a. \u0648\u064a\u062a\u0637\u0644\u0628 \u062a\u063a\u064a\u064a\u0631 \u0627\u0644\u0645\u0648\u0636\u0639 \u0642\u064a\u0627\u0645 \u0627\u0644\u0645\u0634\u063a\u0644 \u0628\u0641\u0643 \u0627\u0644\u0645\u0633\u0645\u0627\u0631 \u0639\u0645\u062f\u064b\u0627.<\/p>\n<h3>\u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0646\u064a \u0645\u0639\u0631\u0641\u0629 \u0627\u0644\u0633\u0639\u0631\u061f<\/h3>\n<p>\u064a\u0631\u062c\u0649 \u0625\u0631\u0633\u0627\u0644 \u0627\u0644\u0643\u0645\u064a\u0629 \u0648\u0637\u0631\u0627\u0632 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0630\u064a \u064a\u062e\u0635 \u0647\u0630\u0627 \u0627\u0644\u0645\u0642\u0628\u0636. \u0646\u0631\u062f \u0639\u0644\u0649 \u0643\u0644 \u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u0641\u064a \u063a\u0636\u0648\u0646 24 \u0633\u0627\u0639\u0629.<\/p>","protected":false},"excerpt":{"rendered":"<p>A <strong>memory stop ball valve<\/strong> in 304 stainless steel \u2014 the graduated plate under the handle is marked from 0\u00b0 to 90\u00b0 in 10\u00b0 steps, and a locking pin holds the lever at the step you pick, so the same flow setting comes back every time.<\/p>\n<p>Also called a <strong>flow control ball valve<\/strong> when it is used to set and hold a partial opening. The handle is made for our own ball valve series \u2014 tell us your valve model when ordering.<\/p>\n<p style=\"font-size: 14px;color: #666666\">ISO 9001 \u00b7 CE \u00b7 Manufacturer since 1999 \u00b7 Made in Taiwan<\/p>","protected":false},"featured_media":5281,"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":[78],"product_cat":[69],"product_tag":[],"class_list":["post-3859","product","type-product","status-publish","has-post-thumbnail","product_brand-yzng-trong","product_cat-accessories","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","taxable","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/ballvalves.tw\/ar\/wp-json\/wp\/v2\/product\/3859","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ballvalves.tw\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ballvalves.tw\/ar\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ballvalves.tw\/ar\/wp-json\/wp\/v2\/media\/5281"}],"wp:attachment":[{"href":"https:\/\/ballvalves.tw\/ar\/wp-json\/wp\/v2\/media?parent=3859"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ballvalves.tw\/ar\/wp-json\/wp\/v2\/product_brand?post=3859"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ballvalves.tw\/ar\/wp-json\/wp\/v2\/product_cat?post=3859"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ballvalves.tw\/ar\/wp-json\/wp\/v2\/product_tag?post=3859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}